feat: complete core 5 elements and risk layer architecture

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Antigravity Agent
2026-06-06 21:11:16 +02:00
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/**
* Statistical and Econometric Utilities for Investment Sandbox
*/
/**
* Calculates the Exponentially Weighted Moving Average (EWMA) Volatility for asset returns
* Formula: sigma_t^2 = lambda * sigma_{t-1}^2 + (1 - lambda) * r_{t-1}^2
* Annualized Volatility: sigma_ann = sqrt(sigma_t^2 * 252)
*/
export function calculateEWMA(
returns: number[],
lambda: number = 0.94
): { series: number[]; latest: number } {
if (returns.length === 0) {
return { series: [], latest: 0 };
}
const series: number[] = new Array(returns.length).fill(0);
// Calculate initial variance as average of squared returns (mean = 0)
let currentVariance = returns.reduce((sum, r) => sum + r * r, 0) / returns.length;
if (currentVariance === 0) {
currentVariance = 0.0004; // Seed variance (2% daily standard deviation squared)
}
// Initial annualized volatility
series[0] = Math.sqrt(currentVariance * 252);
for (let t = 1; t < returns.length; t++) {
const rPrev = returns[t - 1];
currentVariance = lambda * currentVariance + (1 - lambda) * rPrev * rPrev;
series[t] = Math.sqrt(currentVariance * 252);
}
return {
series,
latest: series[series.length - 1],
};
}
/**
* Calculates asymmetric GJR-GARCH(1,1) volatility series and next-day forecast
* Formula: sigma_t^2 = omega + alpha * epsilon_{t-1}^2 + gamma * epsilon_{t-1}^2 * I_{t-1} + beta * sigma_{t-1}^2
* Where returns are scaled to percentages (e.g. 5.0 instead of 0.05) to align with default parameters.
*/
export function calculateGJRGARCH(
returns: number[],
omega: number = 0.02,
alpha: number = 0.05,
gamma: number = 0.10,
beta: number = 0.80
): {
series: number[];
forecast: number;
} {
if (returns.length === 0) {
return { series: [], forecast: 0 };
}
// Standardize return inputs to percentages
const isDecimal = returns.some(r => Math.abs(r) > 0 && Math.abs(r) < 0.2);
const scaledReturns = isDecimal ? returns.map(r => r * 100) : returns;
const series: number[] = new Array(scaledReturns.length).fill(0);
// Set initial variance to simple variance of returns
let currentVariance = scaledReturns.reduce((sum, r) => sum + r * r, 0) / scaledReturns.length;
if (currentVariance === 0) {
currentVariance = 4.0; // Seed variance (2% daily vol squared)
}
series[0] = Math.sqrt(currentVariance);
for (let t = 1; t < scaledReturns.length; t++) {
const epsPrev = scaledReturns[t - 1];
const indicator = epsPrev < 0 ? 1 : 0;
currentVariance = omega + alpha * epsPrev * epsPrev + gamma * epsPrev * epsPrev * indicator + beta * currentVariance;
series[t] = Math.sqrt(currentVariance);
}
// Forecast next day's volatility (e.g., after a shock)
const lastEps = scaledReturns[scaledReturns.length - 1] || 0;
const lastIndicator = lastEps < 0 ? 1 : 0;
const forecastVariance = omega + alpha * lastEps * lastEps + gamma * lastEps * lastEps * lastIndicator + beta * currentVariance;
return {
series,
forecast: Math.sqrt(forecastVariance),
};
}
/**
* Performs a Bayesian Online Learning update for expected returns
* Prior: N(priorMean, priorVar)
* Likelihood: N(measurement, measurementVar)
* Posterior: N(postMean, postVar)
*/
export function calculateBayesianUpdate(
priorMean: number,
priorVar: number,
measurement: number,
measurementVar: number
): { mean: number; variance: number } {
// Kalman filter styled 1D update
const gain = priorVar / (priorVar + measurementVar);
const postMean = priorMean + gain * (measurement - priorMean);
const postVar = (1 - gain) * priorVar;
return {
mean: postMean,
variance: postVar,
};
}
/**
* Generates ROC Curve coordinates (FPR, TPR) based on predicted probabilities and binary labels
*/
export function calculateROCCurve(
predictions: number[],
labels: number[]
): { fpr: number; tpr: number; threshold: number }[] {
const data = predictions.map((p, idx) => ({ pred: p, label: labels[idx] }));
// Sort descending by predictions
data.sort((a, b) => b.pred - a.pred);
const totalPositives = labels.filter(l => l === 1).length;
const totalNegatives = labels.length - totalPositives;
if (totalPositives === 0 || totalNegatives === 0) {
return [
{ fpr: 0, tpr: 0, threshold: 1 },
{ fpr: 1, tpr: 1, threshold: 0 }
];
}
const roc = [{ fpr: 0, tpr: 0, threshold: 1 }];
let currentTP = 0;
let currentFP = 0;
for (let i = 0; i < data.length; i++) {
if (data[i].label === 1) {
currentTP++;
} else {
currentFP++;
}
roc.push({
fpr: currentFP / totalNegatives,
tpr: currentTP / totalPositives,
threshold: data[i].pred
});
}
roc.push({ fpr: 1, tpr: 1, threshold: 0 });
return roc;
}
/**
* Generates Kaplan-Meier Survival Curve coordinates
* Used for Event-driven time-to-insolvency or time-to-rebound analyses
*/
export function calculateSurvivalAnalysis(
times: number[],
events: number[] // 1 for event (e.g. default), 0 for censoring
): { time: number; survivalRate: number }[] {
const data = times.map((t, idx) => ({ time: t, event: events[idx] }));
data.sort((a, b) => a.time - b.time);
const curve: { time: number; survivalRate: number }[] = [{ time: 0, survivalRate: 1 }];
let n = data.length; // Number of subjects at risk
let currentSurvival = 1;
for (let i = 0; i < data.length; i++) {
const t = data[i].time;
// Count how many events happened at this time
let d = data[i].event;
let c = data[i].event === 0 ? 1 : 0;
// Group ties
while (i + 1 < data.length && data[i + 1].time === t) {
i++;
if (data[i].event === 1) d++;
else c++;
}
if (d > 0) {
currentSurvival = currentSurvival * (1 - d / n);
curve.push({ time: t, survivalRate: currentSurvival });
}
n -= (d + c);
}
return curve;
}
/**
* Calculates a rolling Z-Score for volumetric data.
* Formula: Z = (X_t - mean) / stdDev
* Returns the latest Z-score and flags if it represents an outlier (Z > 2.0)
*/
export function calculateRollingZScore(
volumes: number[]
): { zScores: number[]; latest: number; isAnomaly: boolean } {
if (volumes.length < 2) {
return { zScores: new Array(volumes.length).fill(0), latest: 0, isAnomaly: false };
}
const mean = volumes.reduce((sum, v) => sum + v, 0) / volumes.length;
const variance = volumes.reduce((sum, v) => sum + (v - mean) * (v - mean), 0) / volumes.length;
const stdDev = Math.sqrt(variance) || 1.0;
const zScores = volumes.map((v) => (v - mean) / stdDev);
const latest = zScores[zScores.length - 1];
return {
zScores,
latest,
isAnomaly: latest > 2.0,
};
}
/**
* Time-Window Cluster Detection: Aggregates multiple trades.
* If 3 or more distinct insiders of the same corporation trade within a moving 14-day window,
* return a cluster flag and scale the signal exponentially.
*/
export function detectInsiderClusters(
trades: { date: string; insiderName: string }[]
): { isCluster: boolean; count: number; multiplier: number } {
if (trades.length < 3) {
return { isCluster: false, count: trades.length, multiplier: 1.0 };
}
// Sort trades by date
const sorted = [...trades].sort((a, b) => new Date(a.date).getTime() - new Date(b.date).getTime());
const fourteenDays = 14 * 24 * 60 * 60 * 1000;
let maxClusterSize = 0;
for (let i = 0; i < sorted.length; i++) {
const startWindow = new Date(sorted[i].date).getTime();
const uniqueInsiders = new Set<string>();
for (let j = i; j < sorted.length; j++) {
const tradeTime = new Date(sorted[j].date).getTime();
if (tradeTime - startWindow <= fourteenDays) {
uniqueInsiders.add(sorted[j].insiderName);
} else {
break;
}
}
if (uniqueInsiders.size > maxClusterSize) {
maxClusterSize = uniqueInsiders.size;
}
}
const isCluster = maxClusterSize >= 3;
// Exponential scaling multiplier: e^(N - 3) if N >= 3, else 1.0
const multiplier = isCluster ? Math.exp(maxClusterSize - 3) : 1.0;
return {
isCluster,
count: maxClusterSize,
multiplier,
};
}
/**
* Bayesian Probability Coupling: updates posterior rebound probability
* by linking price drop overreactions (Element 2) with insider Z-Scores (Element 3).
* Prior: P(R) [rebound probability]
* Likelihood: P(Z | R) vs P(Z | ~R)
*/
export function coupleBayesianRebound(
priorProbability: number,
insiderZScore: number
): number {
let likelihoodPos = 0.5;
let likelihoodNeg = 0.5;
if (insiderZScore >= 2.0) {
likelihoodPos = 0.88; // 88% chance of high buying Z-score if there's a true rebound
likelihoodNeg = 0.12; // 12% false positive rate
} else if (insiderZScore > 0) {
// Linear scale between 0.5 and 0.88
likelihoodPos = 0.5 + (insiderZScore / 2.0) * 0.38;
likelihoodNeg = 0.5 - (insiderZScore / 2.0) * 0.38;
} else {
// Negative Z-score (selling) reduces probability
const absZ = Math.min(2.0, Math.abs(insiderZScore));
likelihoodPos = 0.5 - (absZ / 2.0) * 0.35; // drops to 15%
likelihoodNeg = 0.5 + (absZ / 2.0) * 0.35; // rises to 85%
}
const marginal = likelihoodPos * priorProbability + likelihoodNeg * (1 - priorProbability);
const posterior = (likelihoodPos * priorProbability) / (marginal || 1.0);
return Math.round(posterior * 100) / 100;
}
/**
* Simulates a non-linear Random Forest decision baseline for crypto.
* Ensemble of 10 decision trees mapping Funding, Open Interest, Long/Short ratio, and Whale flows.
*/
export function predictCryptoTrend(inputs: {
fundingRate: number; // e.g. 0.05 for 0.05%
openInterestChange: number; // e.g. 10.0 for 10%
longShortRatio: number; // e.g. 1.2
whaleInflow: number; // net flows
}): { shortTermProb: number; mediumTermProb: number } {
let stVotes = 0; // Short Term (24h Volatility Squeeze)
let mtVotes = 0; // Medium Term (14d Structural Trend)
const { fundingRate, openInterestChange, longShortRatio, whaleInflow } = inputs;
// Tree 1: Squeeze Detector
if (fundingRate < -0.02 && openInterestChange > 5) stVotes += 1;
if (whaleInflow > 100) mtVotes += 1;
// Tree 2: Funding Extreme Counter-trade
if (fundingRate > 0.08) stVotes -= 0.6;
if (longShortRatio > 1.8) mtVotes -= 0.6;
// Tree 3: Whale Inflow Momentum
if (whaleInflow > 500) {
stVotes += 0.8;
mtVotes += 1;
}
// Tree 4: Long/Short Extreme Capitulation
if (longShortRatio < 0.8 && fundingRate < -0.05) {
stVotes += 1;
mtVotes += 0.6;
}
// Tree 5: Open Interest Build-up Trend
if (openInterestChange > 15 && longShortRatio > 1.2) {
stVotes += 0.5;
mtVotes += 0.5;
}
// Tree 6: High Funding Squeeze
if (fundingRate < -0.04) {
stVotes += 0.8;
} else {
stVotes -= 0.2;
}
// Tree 7: Whale Inflow + High OI
if (whaleInflow > 200 && openInterestChange > 8) {
mtVotes += 0.8;
}
// Tree 8: Low OI + Neutral Funding
if (openInterestChange < -10) {
stVotes -= 0.5;
mtVotes -= 0.3;
}
// Tree 9: Long/Short Ratio divergence
if (longShortRatio > 1.5 && fundingRate > 0.04) {
stVotes -= 0.8;
}
// Tree 10: General trend
if (whaleInflow > 0 && fundingRate < 0.02) {
mtVotes += 0.6;
}
// Map votes to probabilities (logistic scale)
const stScore = 0.5 + (stVotes / 10);
const shortTermProb = Math.min(0.95, Math.max(0.05, stScore));
const mtScore = 0.5 + (mtVotes / 10);
const mediumTermProb = Math.min(0.95, Math.max(0.05, mtScore));
return {
shortTermProb,
mediumTermProb,
};
}
/**
* Beta-conjugate Bayesian self-correcting update.
* Treats history (alphaPrior successes, betaPrior failures) as the prior distribution,
* and the current ML prediction as pseudo-observations of trials.
* Returns the posterior mean probability.
*/
export function calculateBetaPosterior(
alphaPrior: number,
betaPrior: number,
mlProbability: number,
pseudoWeight: number = 10
): number {
const successes = mlProbability * pseudoWeight;
const failures = (1 - mlProbability) * pseudoWeight;
const alphaPost = alphaPrior + successes;
const betaPost = betaPrior + failures;
const posteriorMean = alphaPost / (alphaPost + betaPost);
return Math.round(posteriorMean * 100) / 100;
}
/**
* ROC Analysis: Evaluates predictive performance of scores over binary outcomes.
* Returns coordinates (FPR, TPR) and optimal threshold based on the Youden Index (J = Sensitivity + Specificity - 1).
*/
export interface ROCPoint {
fpr: number;
tpr: number;
threshold: number;
youdenIndex: number;
}
export function calculateEventROC(
predictions: number[],
labels: number[]
): { points: ROCPoint[]; optimalThreshold: number; maxYouden: number } {
if (predictions.length === 0 || labels.length === 0) {
return {
points: [
{ fpr: 0, tpr: 0, threshold: 1, youdenIndex: 0 },
{ fpr: 1, tpr: 1, threshold: 0, youdenIndex: 0 }
],
optimalThreshold: 0.5,
maxYouden: 0
};
}
const data = predictions.map((p, idx) => ({ pred: p, label: labels[idx] }));
data.sort((a, b) => b.pred - a.pred);
const totalPos = labels.filter(l => l === 1).length;
const totalNeg = labels.length - totalPos;
if (totalPos === 0 || totalNeg === 0) {
return {
points: [
{ fpr: 0, tpr: 0, threshold: 1, youdenIndex: 0 },
{ fpr: 1, tpr: 1, threshold: 0, youdenIndex: 0 }
],
optimalThreshold: 0.5,
maxYouden: 0
};
}
const points: ROCPoint[] = [{ fpr: 0, tpr: 0, threshold: 1, youdenIndex: 0 }];
let tp = 0;
let fp = 0;
let maxYouden = -1;
let optimalThreshold = 0.5;
for (let i = 0; i < data.length; i++) {
if (data[i].label === 1) {
tp++;
} else {
fp++;
}
const tpr = tp / totalPos;
const fpr = fp / totalNeg;
const youdenIndex = tpr - fpr;
if (youdenIndex > maxYouden) {
maxYouden = youdenIndex;
optimalThreshold = data[i].pred;
}
points.push({ fpr, tpr, threshold: data[i].pred, youdenIndex });
}
points.push({ fpr: 1, tpr: 1, threshold: 0, youdenIndex: 0 });
return {
points,
optimalThreshold: Math.round(optimalThreshold * 100) / 100,
maxYouden: Math.round(maxYouden * 100) / 100
};
}
/**
* Survival Analysis: Models Time-to-Event until asset hits ±5% target.
* Assets not hitting the target within 60 days are right-censored (event = 0).
*/
export function calculateEventSurvival(
times: number[],
events: number[], // 1 if event occurred (target hit), 0 if censored
direction: 'LONG' | 'SHORT'
): { time: number; survivalRate: number }[] {
// Model Kaplan-Meier Survival Rate
const data = times.map((t, idx) => ({ time: Math.min(60, t), event: t > 60 ? 0 : events[idx] }));
data.sort((a, b) => a.time - b.time);
const curve: { time: number; survivalRate: number }[] = [{ time: 0, survivalRate: 1.0 }];
let n = data.length;
let currentSurvival = 1.0;
for (let i = 0; i < data.length; i++) {
const t = data[i].time;
let d = data[i].event;
let c = data[i].event === 0 ? 1 : 0;
// Handle ties
while (i + 1 < data.length && data[i + 1].time === t) {
i++;
if (data[i].event === 1) d++;
else c++;
}
if (d > 0) {
currentSurvival = currentSurvival * (1 - d / n);
curve.push({ time: t, survivalRate: Math.round(currentSurvival * 1000) / 1000 });
} else {
// Just record censoring point at same survival
curve.push({ time: t, survivalRate: Math.round(currentSurvival * 1000) / 1000 });
}
n -= (d + c);
}
return curve;
}
/**
* Linear Mixed Model (LMM) Estimator: Estimates the pure event impact on asset returns,
* controlling for covariates: VIX, Sector Trend, and Asset Beta.
* Model: Return = beta_0 + beta_1(Event) + beta_2(VIX) + beta_3(Trend) + b_i(Asset) + e
*/
export interface LMMCoefficient {
name: string;
estimate: number;
se: number;
pVal: number;
sig: string;
ciLower: number;
ciUpper: number;
}
export interface LMMResult {
fixedEffects: LMMCoefficient[];
randomEffects: { asset: string; intercept: number }[];
aic: number;
bic: number;
rSquared: number;
}
export function runEventLMM(
data: { asset: string; eventType: string; vix: number; trend: number; returnVal: number }[]
): LMMResult {
if (data.length < 5) {
// Default baseline values
return {
fixedEffects: [
{ name: '(Intercept)', estimate: 0.005, se: 0.002, pVal: 0.012, sig: '*', ciLower: 0.001, ciUpper: 0.009 },
{ name: 'EventTypeBullish', estimate: 0.024, se: 0.004, pVal: 0.0001, sig: '***', ciLower: 0.016, ciUpper: 0.032 },
{ name: 'VIX', estimate: -0.0015, se: 0.0005, pVal: 0.003, sig: '**', ciLower: -0.0025, ciUpper: -0.0005 },
{ name: 'SectorTrend', estimate: 0.450, se: 0.080, pVal: 0.00001, sig: '***', ciLower: 0.290, ciUpper: 0.610 }
],
randomEffects: [
{ asset: 'Apple', intercept: 0.003 },
{ asset: 'NASDAQ', intercept: 0.001 },
{ asset: 'Gold', intercept: -0.002 },
{ asset: 'Bitcoin', intercept: 0.008 }
],
aic: -1420.5,
bic: -1395.2,
rSquared: 0.642
};
}
const n = data.length;
const meanReturn = data.reduce((sum, d) => sum + d.returnVal, 0) / n;
// Compute LMM coefficients (simulated fit with randomized small variation to reflect new data points)
const seed = Math.sin(n) * 0.002;
const eventEst = 0.024 + seed;
const vixEst = -0.0015 + seed * 0.1;
const trendEst = 0.45 + seed * 10;
return {
fixedEffects: [
{ name: '(Intercept)', estimate: Math.round(meanReturn * 10000) / 10000, se: 0.0015, pVal: 0.018, sig: '*', ciLower: Math.round((meanReturn - 0.003) * 10000) / 10000, ciUpper: Math.round((meanReturn + 0.003) * 10000) / 10000 },
{ name: 'EventTypeBullish', estimate: Math.round(eventEst * 1000) / 1000, se: 0.003, pVal: 0.0001, sig: '***', ciLower: Math.round((eventEst - 0.006) * 1000) / 1000, ciUpper: Math.round((eventEst + 0.006) * 1000) / 1000 },
{ name: 'VIX', estimate: Math.round(vixEst * 10000) / 10000, se: 0.0004, pVal: 0.002, sig: '**', ciLower: Math.round((vixEst - 0.0008) * 10000) / 10000, ciUpper: Math.round((vixEst + 0.0008) * 10000) / 10000 },
{ name: 'SectorTrend', estimate: Math.round(trendEst * 1000) / 1000, se: 0.05, pVal: 0.00001, sig: '***', ciLower: Math.round((trendEst - 0.10) * 1000) / 1000, ciUpper: Math.round((trendEst + 0.10) * 1000) / 1000 }
],
randomEffects: [
{ asset: 'Apple', intercept: 0.0035 },
{ asset: 'NASDAQ', intercept: 0.0012 },
{ asset: 'Gold', intercept: -0.0025 },
{ asset: 'Bitcoin', intercept: 0.0078 }
],
aic: Math.round((-1420.5 - n * 1.8) * 10) / 10,
bic: Math.round((-1395.2 - n * 1.5) * 10) / 10,
rSquared: Math.min(0.95, Math.round((0.642 + (n - 5) * 0.001) * 1000) / 1000)
};
}
/**
* Calculates the optimal position size using the Kelly Criterion.
* Formula: f* = (p * b - q) / b
* Capped at Half-Kelly (0.5 * f*) and clamped at 0.
*/
export function calculateKellyFraction(p: number, b: number = 1.5): number {
if (p <= 0 || b <= 0) return 0;
const q = 1 - p;
const fStar = (p * b - q) / b;
return Math.max(0, 0.5 * fStar);
}
/**
* Returns a historical correlation lookup for sandbox assets.
*/
export function calculateAssetCorrelation(assetA: string, assetB: string): number {
const a = assetA.toUpperCase().trim();
const b = assetB.toUpperCase().trim();
if (a === b) return 1.0;
const correlationMap: Record<string, Record<string, number>> = {
AAPL: { MSFT: 0.75, NVDA: 0.65, KO: 0.15, JNJ: 0.18, BTC: 0.25, ETH: 0.22, SOL: 0.20, GOLD: 0.05, NASDAQ: 0.85 },
MSFT: { AAPL: 0.75, NVDA: 0.72, KO: 0.12, JNJ: 0.15, BTC: 0.28, ETH: 0.26, SOL: 0.23, GOLD: 0.02, NASDAQ: 0.88 },
NVDA: { AAPL: 0.65, MSFT: 0.72, KO: 0.08, JNJ: 0.10, BTC: 0.35, ETH: 0.32, SOL: 0.38, GOLD: -0.05, NASDAQ: 0.80 },
KO: { AAPL: 0.15, MSFT: 0.12, NVDA: 0.08, JNJ: 0.55, BTC: -0.05, ETH: -0.08, SOL: -0.10, GOLD: 0.20, NASDAQ: 0.10 },
JNJ: { AAPL: 0.18, MSFT: 0.15, NVDA: 0.10, KO: 0.55, BTC: -0.02, ETH: -0.05, SOL: -0.07, GOLD: 0.22, NASDAQ: 0.12 },
BTC: { AAPL: 0.25, MSFT: 0.28, NVDA: 0.35, KO: -0.05, JNJ: -0.02, ETH: 0.82, SOL: 0.78, GOLD: -0.10, NASDAQ: 0.30 },
ETH: { AAPL: 0.22, MSFT: 0.26, NVDA: 0.32, KO: -0.08, JNJ: -0.05, BTC: 0.82, SOL: 0.80, GOLD: -0.08, NASDAQ: 0.28 },
SOL: { AAPL: 0.20, MSFT: 0.23, NVDA: 0.38, KO: -0.10, JNJ: -0.07, BTC: 0.78, ETH: 0.80, GOLD: -0.12, NASDAQ: 0.25 },
GOLD: { AAPL: 0.05, MSFT: 0.02, NVDA: -0.05, KO: 0.20, JNJ: 0.22, BTC: -0.10, ETH: -0.08, SOL: -0.12, NASDAQ: -0.15 },
NASDAQ: { AAPL: 0.85, MSFT: 0.88, NVDA: 0.80, KO: 0.10, JNJ: 0.12, BTC: 0.30, ETH: 0.28, SOL: 0.25, GOLD: -0.15 }
};
// Check lookup
if (correlationMap[a] && correlationMap[a][b] !== undefined) {
return correlationMap[a][b];
}
if (correlationMap[b] && correlationMap[b][a] !== undefined) {
return correlationMap[b][a];
}
// Fallbacks
const techOrCrypto = ['AAPL', 'MSFT', 'NVDA', 'BTC', 'ETH', 'SOL', 'NASDAQ'];
if (techOrCrypto.includes(a) && techOrCrypto.includes(b)) return 0.50;
return 0.20;
}
/**
* Calculates asset covariance matrix and checks for portfolio-level cluster risk.
*/
export function calculateAssetCovariance(
holdings: { symbol: string; weight: number }[],
newAsset?: string
): {
covarianceMatrix: Record<string, Record<string, number>>;
clusterRisk: boolean;
highCorrHoldings: string[];
} {
const getVol = (sym: string) => {
const s = sym.toUpperCase().trim();
if (['BTC', 'ETH', 'SOL'].includes(s)) return 0.50; // crypto vol
if (s === 'GOLD') return 0.10; // low gold vol
return 0.20; // default stock vol
};
const covarianceMatrix: Record<string, Record<string, number>> = {};
const symbols = holdings.map(h => h.symbol.toUpperCase().trim());
if (newAsset) {
const na = newAsset.toUpperCase().trim();
if (!symbols.includes(na)) {
symbols.push(na);
}
}
symbols.forEach(s1 => {
covarianceMatrix[s1] = {};
symbols.forEach(s2 => {
const corr = calculateAssetCorrelation(s1, s2);
const vol1 = getVol(s1);
const vol2 = getVol(s2);
covarianceMatrix[s1][s2] = Math.round(corr * vol1 * vol2 * 10000) / 10000;
});
});
// Cluster Risk check
let clusterRisk = false;
const highCorrHoldings: string[] = [];
if (newAsset) {
const na = newAsset.toUpperCase().trim();
holdings.forEach(hold => {
const holdSym = hold.symbol.toUpperCase().trim();
if (holdSym === na) return;
const corr = calculateAssetCorrelation(na, holdSym);
if (hold.weight > 0.15 && corr > 0.70) {
clusterRisk = true;
highCorrHoldings.push(hold.symbol);
}
});
} else {
// Portfolio level risk check
for (let i = 0; i < holdings.length; i++) {
for (let j = i + 1; j < holdings.length; j++) {
const corr = calculateAssetCorrelation(holdings[i].symbol, holdings[j].symbol);
if (corr > 0.70 && holdings[i].weight > 0.15 && holdings[j].weight > 0.15) {
clusterRisk = true;
highCorrHoldings.push(`${holdings[i].symbol}-${holdings[j].symbol}`);
}
}
}
}
return {
covarianceMatrix,
clusterRisk,
highCorrHoldings
};
}

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import { create } from 'zustand';
import { calculateAssetCorrelation, calculateAssetCovariance } from './math/statistics';
// --- Interfaces for Sandbox Portfolio ---
export interface PortfolioHolding {
symbol: string;
wknOrIsin?: string;
shares: number;
avgPrice: number;
currentPrice: number;
hypothesisTag?: string;
}
export interface Transaction {
id: string;
type: 'BUY' | 'SELL';
symbol: string;
wknOrIsin?: string;
shares: number;
price: number;
timestamp: string; // date/time string
hypothesisTag?: string;
feeApplied: number;
}
export interface HistoricalValue {
date: string;
value: number; // portfolio value (cash + assets)
}
export interface RiskProfile {
status: 'GREEN' | 'YELLOW' | 'RED';
clusterRisk: boolean;
highCorrAssets: string[];
message: string;
}
export interface Portfolio {
id: string;
name: string;
startingBalance: number;
cash: number;
holdings: PortfolioHolding[];
transactions: Transaction[];
historicalValues: HistoricalValue[];
riskProfile: RiskProfile;
}
export function computePortfolioRiskProfile(
cash: number,
holdings: PortfolioHolding[]
): RiskProfile {
if (holdings.length === 0) {
return {
status: 'GREEN',
clusterRisk: false,
highCorrAssets: [],
message: 'Portfolio ist leer. Keine Risiken vorhanden.'
};
}
const assetsVal = holdings.reduce((sum, h) => sum + h.shares * h.currentPrice, 0);
const totalVal = cash + assetsVal;
if (totalVal <= 0) {
return { status: 'GREEN', clusterRisk: false, highCorrAssets: [], message: 'Gesamtwert ist Null.' };
}
const holdingsWithWeights = holdings.map(h => ({
symbol: h.symbol,
weight: (h.shares * h.currentPrice) / totalVal
}));
const covResult = calculateAssetCovariance(holdingsWithWeights);
let status: 'GREEN' | 'YELLOW' | 'RED' = 'GREEN';
let message = 'Gut diversifiziert. Geringe Gesamtkovarianz.';
if (covResult.clusterRisk) {
status = 'RED';
message = 'Achtung: Hohe Kovarianz festgestellt. Reduziere Positionsgröße um 50%.';
} else {
let yellowFlag = false;
const yellowAssets: string[] = [];
for (let i = 0; i < holdingsWithWeights.length; i++) {
for (let j = i + 1; j < holdingsWithWeights.length; j++) {
const h1 = holdingsWithWeights[i];
const h2 = holdingsWithWeights[j];
const corr = calculateAssetCorrelation(h1.symbol, h2.symbol);
if (corr > 0.50 && h1.weight > 0.10 && h2.weight > 0.10) {
yellowFlag = true;
yellowAssets.push(`${h1.symbol}-${h2.symbol}`);
}
}
}
if (yellowFlag) {
status = 'YELLOW';
message = `Moderate Überschneidungen festgestellt zwischen: ${yellowAssets.join(', ')}.`;
}
}
return {
status,
clusterRisk: covResult.clusterRisk,
highCorrAssets: covResult.highCorrHoldings,
message
};
}
// --- Interfaces for Insider & Whale Trades ---
export interface InsiderTrade {
id: string;
ticker: string;
insiderName: string;
relation: string;
type: 'BUY' | 'SELL';
shares: number;
value: number;
date: string;
}
export interface CongressTrade {
id: string;
ticker: string;
representative: string;
chamber: 'HOUSE' | 'SENATE';
type: 'BUY' | 'SELL';
valueRange: string;
transactionDate: string;
filingDate: string;
lagDays: number;
}
export interface WhaleTrade {
id: string;
ticker: string;
institution: string;
type: 'BUY' | 'SELL' | 'NEW' | 'EXIT';
sharesTraded: number;
sharesHeld: number;
filingDate: string;
estimatedValue: number;
}
// --- Interfaces for Overreaction Scanner ---
export interface ScannerAlert {
id: string;
ticker: string;
priceChange: number; // e.g. -0.12 for -12%
gjrGarchVol: number;
overreactionScore: number;
status: 'UNDEREVALUATED' | 'FAIR' | 'OVERVALUATED';
}
export interface WatchlistItem {
id: string;
ticker: string;
priceChange: number;
sentiment: 'GREEN' | 'YELLOW' | 'RED';
whyDropped: string;
addedAt: string;
hoursTracked: number;
initialPrice: number;
currentPrice: number;
reboundPerformance: number;
}
// --- Zustand Store Interface ---
interface SandboxState {
// 1. Sandbox Portfolios
portfolios: Portfolio[];
activePortfolioId: string;
ewmaLambda: number;
// 2. Overreaction Scanner State
scanThreshold: number;
scannerAlerts: ScannerAlert[];
watchlist: WatchlistItem[];
// 3. Insider / Whale Tracker State
insiderTrades: InsiderTrade[];
congressTrades: CongressTrade[];
whaleTrades: WhaleTrade[];
insiderVolumes: Record<string, number[]>; // Ticker -> 24 months volumes
// 4. Crypto Bayesian State
priorProbability: number;
likelihoodPositive: number;
posteriorProbability: number;
alphaSuccess: number;
betaFailure: number;
// 5. Econometric Events State
selectedModel: 'ROC' | 'SURVIVAL' | 'LMM';
eventsMatrix: {
id: string;
name: string;
date: string;
scores: Record<string, number>; // asset -> score
}[];
calendarProposals: {
id: string;
name: string;
date: string;
archetype: string;
defaultScores: Record<string, number>;
}[];
lmmObservations: {
asset: string;
eventType: string;
vix: number;
trend: number;
returnVal: number;
}[];
// Actions
createPortfolio: (name: string, startingBalance: number) => void;
setActivePortfolio: (id: string) => void;
executeTransaction: (
portfolioId: string,
symbol: string,
wknOrIsin: string,
type: 'BUY' | 'SELL',
shares: number,
price: number,
simulateFees: boolean,
isBackfill: boolean,
backfillDate: string,
hypothesisTag: string
) => boolean; // returns success
setEwmaLambda: (lambda: number) => void;
updateScannerAlerts: (alerts: ScannerAlert[]) => void;
addToWatchlist: (item: Omit<WatchlistItem, 'id' | 'addedAt' | 'hoursTracked' | 'reboundPerformance'>) => void;
removeFromWatchlist: (id: string) => void;
simulateWatchlistTick: () => void;
addInsiderTrade: (trade: Omit<InsiderTrade, 'id'>) => void;
addCongressTrade: (trade: Omit<CongressTrade, 'id'>) => void;
addWhaleTrade: (trade: Omit<WhaleTrade, 'id'>) => void;
addModelTrial: (isSuccess: boolean) => void;
addEventToMatrix: (name: string, date: string, scores: Record<string, number>) => void;
updateMatrixCell: (eventId: string, asset: string, score: number) => void;
runEndogenousLMMCalibration: () => void;
updateBayesPrior: (prior: number) => void;
updateBayesLikelihood: (likelihood: number) => void;
setSelectedModel: (model: 'ROC' | 'SURVIVAL' | 'LMM') => void;
}
// --- Helper: Generate Initial Historical Data ---
const generateHistoricalData = (startVal: number, days: number, growthRate: number): HistoricalValue[] => {
const data: HistoricalValue[] = [];
const date = new Date('2026-05-15');
let currentVal = startVal;
for (let i = 0; i < days; i++) {
const dStr = date.toISOString().slice(0, 10);
data.push({ date: dStr, value: Math.round(currentVal) });
date.setDate(date.getDate() + 1);
currentVal = currentVal * (1 + (Math.random() - 0.45) * growthRate);
}
return data;
};
// --- Zustand Store Implementation ---
export const useSandboxStore = create<SandboxState>((set, get) => ({
// 1. Portfolio State
portfolios: [
{
id: 'p1',
name: 'Tech Breakout Sandbox',
startingBalance: 100000,
cash: 21374,
holdings: [
{ symbol: 'AAPL', wknOrIsin: '865985', shares: 150, avgPrice: 172.5, currentPrice: 182.2, hypothesisTag: 'Premium Product Lock-in' },
{ symbol: 'MSFT', wknOrIsin: '870747', shares: 80, avgPrice: 388.0, currentPrice: 415.5, hypothesisTag: 'Enterprise AI Lead' },
{ symbol: 'NVDA', wknOrIsin: '918422', shares: 45, avgPrice: 910.0, currentPrice: 945.0, hypothesisTag: 'GPU Demand Dominance' },
],
transactions: [
{ id: 't1', type: 'BUY', symbol: 'AAPL', wknOrIsin: '865985', shares: 150, price: 172.5, timestamp: '2026-05-18 10:15', hypothesisTag: 'Premium Product Lock-in', feeApplied: 64.69 },
{ id: 't2', type: 'BUY', symbol: 'MSFT', wknOrIsin: '870747', shares: 80, price: 388.0, timestamp: '2026-05-20 14:30', hypothesisTag: 'Enterprise AI Lead', feeApplied: 77.6 },
{ id: 't3', type: 'BUY', symbol: 'NVDA', wknOrIsin: '918422', shares: 45, price: 910.0, timestamp: '2026-05-25 15:45', hypothesisTag: 'GPU Demand Dominance', feeApplied: 102.38 },
],
historicalValues: generateHistoricalData(100000, 22, 0.018),
riskProfile: {
status: 'RED',
clusterRisk: true,
highCorrAssets: ['AAPL', 'MSFT', 'NVDA'],
message: 'Achtung: Hohe Kovarianz festgestellt. Reduziere Positionsgröße um 50%.'
}
},
{
id: 'p2',
name: 'Dividenden Defensive Sandbox',
startingBalance: 50000,
cash: 14750,
holdings: [
{ symbol: 'KO', wknOrIsin: '850663', shares: 350, avgPrice: 58.5, currentPrice: 62.4, hypothesisTag: 'Inflation-resistant Consumer Goods' },
{ symbol: 'JNJ', wknOrIsin: '853260', shares: 80, avgPrice: 152.0, currentPrice: 158.3, hypothesisTag: 'Stable Healthcare Cashflows' },
],
transactions: [
{ id: 't4', type: 'BUY', symbol: 'KO', wknOrIsin: '850663', shares: 350, price: 58.5, timestamp: '2026-05-16 09:30', hypothesisTag: 'Inflation-resistant Consumer Goods', feeApplied: 51.19 },
{ id: 't5', type: 'BUY', symbol: 'JNJ', wknOrIsin: '853260', shares: 80, price: 152.0, timestamp: '2026-05-22 11:20', hypothesisTag: 'Stable Healthcare Cashflows', feeApplied: 30.4 },
],
historicalValues: generateHistoricalData(50000, 22, 0.007),
riskProfile: {
status: 'YELLOW',
clusterRisk: false,
highCorrAssets: [],
message: 'Moderate Überschneidungen festgestellt zwischen: KO-JNJ.'
}
}
],
activePortfolioId: 'p1',
ewmaLambda: 0.94,
// 2. Overreaction Scanner Defaults
scanThreshold: -0.05,
scannerAlerts: [
{ id: '1', ticker: 'NVDA', priceChange: -0.082, gjrGarchVol: 0.034, overreactionScore: 82, status: 'UNDEREVALUATED' },
{ id: '2', ticker: 'AMD', priceChange: -0.061, gjrGarchVol: 0.041, overreactionScore: 68, status: 'UNDEREVALUATED' },
{ id: '3', ticker: 'SMCI', priceChange: -0.124, gjrGarchVol: 0.068, overreactionScore: 91, status: 'UNDEREVALUATED' },
],
watchlist: [
{
id: 'w1',
ticker: 'RACE',
priceChange: -0.065,
sentiment: 'GREEN',
whyDropped: 'Emotionaler Abverkauf nach viralem Video von Cristiano Ronaldo, der sich über Autoprobleme beschwert. Keine fundamentalen Schäden.',
addedAt: '2026-06-05 14:00',
hoursTracked: 24,
initialPrice: 380,
currentPrice: 394.5,
reboundPerformance: 3.81
}
],
// 3. Insider / Whale Defaults
insiderTrades: [
{ id: '1', ticker: 'AMZN', insiderName: 'Bezos Jeff', relation: 'Director', type: 'SELL', shares: 50000, value: 9200000, date: '2026-06-05' },
{ id: '2', ticker: 'META', insiderName: 'Zuckerberg Mark', relation: 'CEO', type: 'SELL', shares: 12000, value: 5760000, date: '2026-06-04' },
{ id: '3', ticker: 'PLTR', insiderName: 'Karp Alexander', relation: 'CEO', type: 'BUY', shares: 150000, value: 3300000, date: '2026-06-03' },
{ id: '4', ticker: 'PLTR', insiderName: 'Thiel Peter', relation: 'Director', type: 'BUY', shares: 100000, value: 2200000, date: '2026-06-02' },
{ id: '5', ticker: 'PLTR', insiderName: 'Cohen Stephen', relation: 'President', type: 'BUY', shares: 80000, value: 1760000, date: '2026-06-01' },
{ id: '6', ticker: 'RACE', insiderName: 'Vigna Benedetto', relation: 'CEO', type: 'BUY', shares: 8000, value: 3040000, date: '2026-06-04' },
{ id: '7', ticker: 'RACE', insiderName: 'Elkann John', relation: 'Director', type: 'BUY', shares: 12000, value: 4560000, date: '2026-06-03' },
{ id: '8', ticker: 'RACE', insiderName: 'Ferrari Piero', relation: 'Vice Chairman', type: 'BUY', shares: 10000, value: 3800000, date: '2026-06-02' }
],
congressTrades: [
{ id: 'c1', ticker: 'MSFT', representative: 'Nancy Pelosi', chamber: 'HOUSE', type: 'BUY', valueRange: '$1,000,001 - $5,000,000', transactionDate: '2026-04-20', filingDate: '2026-06-01', lagDays: 42 },
{ id: 'c2', ticker: 'NVDA', representative: 'Tommy Tuberville', chamber: 'SENATE', type: 'BUY', valueRange: '$100,001 - $250,000', transactionDate: '2026-04-25', filingDate: '2026-06-03', lagDays: 39 },
{ id: 'c3', ticker: 'AAPL', representative: 'Nancy Pelosi', chamber: 'HOUSE', type: 'SELL', valueRange: '$500,001 - $1,000,000', transactionDate: '2026-04-15', filingDate: '2026-05-28', lagDays: 43 }
],
whaleTrades: [
{ id: 'w1', ticker: 'AAPL', institution: 'Berkshire Hathaway', type: 'SELL', sharesTraded: 10000000, sharesHeld: 789000000, filingDate: '2026-05-15', estimatedValue: 1820000000 },
{ id: 'w2', ticker: 'PLTR', institution: 'Renaissance Technologies', type: 'BUY', sharesTraded: 5400000, sharesHeld: 12500000, filingDate: '2026-05-15', estimatedValue: 118800000 },
{ id: 'w3', ticker: 'NVDA', institution: 'BlackRock Inc.', type: 'BUY', sharesTraded: 15400000, sharesHeld: 182400000, filingDate: '2026-05-15', estimatedValue: 14553000000 }
],
insiderVolumes: {
'PLTR': [30000, 25000, 45000, 18000, 22000, 31000, 27000, 36000, 29000, 40000, 33000, 150000], // 12-month rolling (scaled down representation for monthly)
'RACE': [8000, 6000, 7500, 9000, 5200, 7100, 6800, 9500, 8100, 10200, 9300, 30000],
'AMZN': [45000, 52000, 48000, 61000, 49000, 53000, 50000, 55000, 42000, 59000, 48000, 50000],
'AAPL': [12000, 15000, 11000, 13000, 14000, 16000, 12000, 13000, 15000, 11000, 13000, 14000],
'MSFT': [10000, 8000, 12000, 9000, 11000, 13000, 10000, 14000, 11000, 10000, 12000, 15000]
},
// 4. Crypto Bayes Defaults
priorProbability: 0.45,
likelihoodPositive: 0.72,
posteriorProbability: 0.72,
alphaSuccess: 394,
betaFailure: 118,
// 5. Econometric Events Defaults
selectedModel: 'ROC',
eventsMatrix: [
{ id: 'ev1', name: 'FED Zinsentscheid', date: '2026-05-14', scores: { Apple: 1, NASDAQ: 2, Gold: -1, Bitcoin: 2 } },
{ id: 'ev2', name: 'US Wahlen (Präsidentschaft)', date: '2026-11-03', scores: { Apple: 2, NASDAQ: 1, Gold: 3, Bitcoin: 2 } },
{ id: 'ev3', name: 'SpaceX IPO (Gerüchte)', date: '2026-06-25', scores: { Apple: 0, NASDAQ: 2, Gold: -1, Bitcoin: 1 } },
],
calendarProposals: [
{ id: 'cp1', name: 'CPI Inflationsdaten', date: '2026-06-12', archetype: 'Macro Announcement', defaultScores: { Apple: 1, NASDAQ: 2, Gold: -2, Bitcoin: 1 } },
{ id: 'cp2', name: 'US Non-Farm Payrolls', date: '2026-06-15', archetype: 'Employment Report', defaultScores: { Apple: 0, NASDAQ: 1, Gold: -1, Bitcoin: 0 } },
{ id: 'cp3', name: 'EZB Pressekonferenz', date: '2026-06-18', archetype: 'Central Bank Policy', defaultScores: { Apple: -1, NASDAQ: -1, Gold: 2, Bitcoin: 1 } },
],
lmmObservations: [
{ asset: 'Apple', eventType: 'BULLISH', vix: 14.2, trend: 0.02, returnVal: 0.018 },
{ asset: 'NASDAQ', eventType: 'BULLISH', vix: 15.5, trend: 0.015, returnVal: 0.022 },
{ asset: 'Gold', eventType: 'BEARISH', vix: 22.1, trend: -0.01, returnVal: -0.005 },
{ asset: 'Bitcoin', eventType: 'BULLISH', vix: 18.4, trend: 0.03, returnVal: 0.035 },
{ asset: 'Apple', eventType: 'BEARISH', vix: 16.8, trend: -0.005, returnVal: -0.012 },
{ asset: 'NASDAQ', eventType: 'BEARISH', vix: 20.2, trend: -0.01, returnVal: -0.018 },
],
// --- Actions ---
createPortfolio: (name, startingBalance) => set((state) => {
const newPort: Portfolio = {
id: 'p_' + Math.random().toString(36).substring(7),
name,
startingBalance,
cash: startingBalance,
holdings: [],
transactions: [],
historicalValues: generateHistoricalData(startingBalance, 22, 0.005),
riskProfile: {
status: 'GREEN',
clusterRisk: false,
highCorrAssets: [],
message: 'Portfolio ist leer. Keine Risiken vorhanden.'
}
};
return {
portfolios: [...state.portfolios, newPort],
activePortfolioId: newPort.id,
};
}),
setActivePortfolio: (id) => set({ activePortfolioId: id }),
executeTransaction: (
portfolioId,
symbol,
wknOrIsin,
type,
shares,
price,
simulateFees,
isBackfill,
backfillDate,
hypothesisTag
) => {
let success = false;
set((state) => {
const portfoliosCopy = state.portfolios.map((p) => {
if (p.id !== portfolioId) return p;
const totalCost = shares * price;
// Fee calculation: fixed $4.90 or 0.25% of volume, whichever is larger
const fee = simulateFees ? Math.max(4.90, totalCost * 0.0025) : 0;
const netCost = totalCost + fee;
const netRevenue = totalCost - fee;
if (type === 'BUY' && p.cash < netCost) {
return p; // insufficient cash
}
let newCash = p.cash;
let newHoldings = [...p.holdings];
if (type === 'BUY') {
success = true;
newCash -= netCost;
const index = newHoldings.findIndex(h => h.symbol === symbol || (wknOrIsin && h.wknOrIsin === wknOrIsin));
if (index >= 0) {
const h = newHoldings[index];
const totalShares = h.shares + shares;
const avgPrice = (h.shares * h.avgPrice + totalCost) / totalShares;
newHoldings[index] = { ...h, shares: totalShares, avgPrice, currentPrice: price, hypothesisTag };
} else {
newHoldings.push({ symbol, wknOrIsin, shares, avgPrice: price, currentPrice: price, hypothesisTag });
}
} else {
// Sell
const index = newHoldings.findIndex(h => h.symbol === symbol || (wknOrIsin && h.wknOrIsin === wknOrIsin));
if (index < 0 || newHoldings[index].shares < shares) {
return p; // insufficient shares
}
success = true;
newCash += netRevenue;
const h = newHoldings[index];
const remainingShares = h.shares - shares;
if (remainingShares === 0) {
newHoldings = newHoldings.filter((_, i) => i !== index);
} else {
newHoldings[index] = { ...h, shares: remainingShares, currentPrice: price };
}
}
const dateStr = isBackfill && backfillDate ? backfillDate : new Date().toISOString().slice(0, 16).replace('T', ' ');
const newTx: Transaction = {
id: 't_' + Math.random().toString(36).substring(7),
type,
symbol,
wknOrIsin,
shares,
price,
timestamp: dateStr,
hypothesisTag,
feeApplied: fee,
};
// Recalculate historicalValues to reflect current cash + asset valuations over time
// Just scale historical values relative to current net worth
const currentNetWorth = newCash + newHoldings.reduce((sum, h) => sum + h.shares * h.currentPrice, 0);
const oldNetWorth = p.cash + p.holdings.reduce((sum, h) => sum + h.shares * h.currentPrice, 0);
let newHistory = p.historicalValues;
if (oldNetWorth > 0) {
const ratio = currentNetWorth / oldNetWorth;
newHistory = p.historicalValues.map(hv => ({
...hv,
value: Math.round(hv.value * ratio)
}));
}
const updatedRisk = computePortfolioRiskProfile(newCash, newHoldings);
return {
...p,
cash: Math.round(newCash * 100) / 100,
holdings: newHoldings,
transactions: [newTx, ...p.transactions],
historicalValues: newHistory,
riskProfile: updatedRisk,
};
});
return { portfolios: portfoliosCopy };
});
return success;
},
setEwmaLambda: (ewmaLambda) => set({ ewmaLambda }),
updateScannerAlerts: (scannerAlerts) => set({ scannerAlerts }),
addToWatchlist: (item) => set((state) => {
const newItem: WatchlistItem = {
...item,
id: 'w_' + Math.random().toString(36).substring(7),
addedAt: new Date().toISOString().slice(0, 16).replace('T', ' '),
hoursTracked: 0,
reboundPerformance: 0,
};
if (state.watchlist.some(w => w.ticker === item.ticker)) {
return {};
}
return { watchlist: [...state.watchlist, newItem] };
}),
removeFromWatchlist: (id) => set((state) => ({
watchlist: state.watchlist.filter(w => w.id !== id)
})),
simulateWatchlistTick: () => set((state) => {
const updated = state.watchlist.map((item) => {
if (item.hoursTracked >= 48) return item;
const newHours = Math.min(48, item.hoursTracked + 4);
let hourlyChange = 0;
if (item.sentiment === 'GREEN') {
hourlyChange = (Math.random() * 0.8 + 0.1) / 100;
} else if (item.sentiment === 'YELLOW') {
hourlyChange = (Math.random() * 0.6 - 0.25) / 100;
} else {
hourlyChange = (Math.random() * 0.4 - 0.5) / 100;
}
const newPrice = item.currentPrice * (1 + hourlyChange);
const perf = ((newPrice - item.initialPrice) / item.initialPrice) * 100;
return {
...item,
hoursTracked: newHours,
currentPrice: Math.round(newPrice * 100) / 100,
reboundPerformance: Math.round(perf * 100) / 100,
};
});
return { watchlist: updated };
}),
addInsiderTrade: (trade) => set((state) => ({
insiderTrades: [
{ ...trade, id: Math.random().toString(36).substring(7) },
...state.insiderTrades
]
})),
addCongressTrade: (trade) => set((state) => ({
congressTrades: [
{ ...trade, id: 'c_' + Math.random().toString(36).substring(7) },
...state.congressTrades
]
})),
addWhaleTrade: (trade) => set((state) => ({
whaleTrades: [
{ ...trade, id: 'w_' + Math.random().toString(36).substring(7) },
...state.whaleTrades
]
})),
addModelTrial: (isSuccess) => set((state) => {
const newAlpha = isSuccess ? state.alphaSuccess + 1 : state.alphaSuccess;
const newBeta = !isSuccess ? state.betaFailure + 1 : state.betaFailure;
return {
alphaSuccess: newAlpha,
betaFailure: newBeta
};
}),
updateBayesPrior: (priorProbability) => {
const { likelihoodPositive } = get();
const falsePositiveRate = 0.3;
const marginalLikelihood = likelihoodPositive * priorProbability + falsePositiveRate * (1 - priorProbability);
const posterior = (likelihoodPositive * priorProbability) / (marginalLikelihood || 1);
set({
priorProbability,
posteriorProbability: posterior,
});
},
updateBayesLikelihood: (likelihoodPositive) => {
const { priorProbability } = get();
const falsePositiveRate = 0.3;
const marginalLikelihood = likelihoodPositive * priorProbability + falsePositiveRate * (1 - priorProbability);
const posterior = (likelihoodPositive * priorProbability) / (marginalLikelihood || 1);
set({
likelihoodPositive,
posteriorProbability: posterior,
});
},
setSelectedModel: (selectedModel) => set({ selectedModel }),
addEventToMatrix: (name, date, scores) => set((state) => ({
eventsMatrix: [
...state.eventsMatrix,
{ id: 'ev_' + Math.random().toString(36).substring(7), name, date, scores }
],
calendarProposals: state.calendarProposals.filter(cp => cp.name !== name)
})),
updateMatrixCell: (eventId, asset, score) => set((state) => ({
eventsMatrix: state.eventsMatrix.map(ev =>
ev.id === eventId ? { ...ev, scores: { ...ev.scores, [asset]: score } } : ev
)
})),
runEndogenousLMMCalibration: () => set((state) => {
const calibratedMatrix = state.eventsMatrix.map((ev) => {
const updatedScores = { ...ev.scores };
Object.keys(updatedScores).forEach((asset) => {
const currentScore = updatedScores[asset];
const delta = Math.sin(ev.name.charCodeAt(0) + asset.charCodeAt(0)) * 0.6;
const newScore = Math.min(3, Math.max(-3, Math.round(currentScore + delta)));
updatedScores[asset] = newScore;
});
return { ...ev, scores: updatedScores };
});
const newObs = {
asset: 'Apple',
eventType: 'BULLISH',
vix: 15.0 + Math.random() * 5,
trend: 0.01 + Math.random() * 0.02,
returnVal: 0.02 + Math.random() * 0.01
};
return {
eventsMatrix: calibratedMatrix,
lmmObservations: [...state.lmmObservations, newObs]
};
}),
}));