Practice
Interpret a Z-Score Shock
Solve step by step: reveal hints only when needed, then check your reasoning against the full walkthrough.
Problem set
Sample Variance by HandAnnualized Sharpe from Daily StatsConvert Covariance to CorrelationInterpret a Z-Score ShockTwo-Asset Portfolio VariancePosition Size from Risk BudgetKelly Fraction ScenarioInterpret Daily VaRTriangular FX Arbitrage CheckSharpe vs Sortino in Allocation ChoiceDice Game Expected ValueBoth Assets Down ProbabilityCoin Flip Stop RuleCard Draw: Ace then KingMonty Hall VariantCode: Rolling Sharpe (63-day)Code: Kelly Fraction FunctionCode: Max DrawdownCode: Historical VaR (95%)Code: Equal-Weight Rebalance Shares
Math/StatsIntermediate
A stock's 1-day return is -4.5%. Historical daily mean is 0.05% and daily std is 1.8%.
Compute the z-score.
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