Contingent Claims: Option Valuation and Risk Management

Free CFA Level II lesson in Derivatives. 21 min read, ~3,123 words.

Put-call parity: Call + PV(K) = Put + Stock. The single most-tested derivatives formula. BSM prices the cost of a continuously hedged replicating portfolio. sigma is the only input you cannot observe. Five Greeks: delta (direction), gamma (curvature), vega (volatility), theta (time decay), rho (rate). Every Greek flips sign when...

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