Practice
Triangular FX Arbitrage Check
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
Word ProblemAdvanced
Quotes: EUR/USD = 1.1000, USD/JPY = 150.00, EUR/JPY = 166.20.
Yes/No: is there a triangular arbitrage opportunity (ignore fees)?
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