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Kelly criterion

Une formule qui calcule la taille de position — la part du capital à risquer — pour la croissance la plus rapide à long terme, selon votre taux de réussite et votre rapport gain/risque ; la plupart des traders n’en misent qu’une fraction, car le Kelly plein est très volatil.

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Call Put Strike price Premium Expiration In the money (ITM)At the money (ATM)Out of the money (OTM)Intrinsic value Time value (extrinsic)Delta Gamma Theta Vega Implied volatility (IV)Open interest Assignment Exercise Spread Break-even Probability of profit (POP)Assignment risk / early assignment LEAPS Naked (uncovered) option Rho Historical volatility (HV)Volume Bid-ask spread Moneyness Covered call Cash-secured put Vertical spread Iron condor Straddle Strangle Rolling Margin Max pain American-style option European-style option Contract multiplier Debit vs credit Volatility skew The Greeks Underlying Hedge Leverage Expected move Notional value Protective put Collar Butterfly spread Iron butterfly Calendar spread Diagonal spread Credit spread Debit spread Bull call spread Bear put spread Ratio spread Synthetic position The wheel strategy Poor man’s covered call (PMCC)Box spread Put-call parity Pin risk IV crush IV rank / IV percentile Ex-dividend date Deep in the money Weeklys 0DTE (zero days to expiration)Order types (to open / to close)Buying power reduction Cash settlement Market maker Slippage Mid price Black-Scholes model Probability of touch Expected shortfall (CVaR)P50 Return on risk Reward-to-risk ratio Expected value

Usage éducatif uniquement. Les cotations sont retardées d’environ 15 minutes et rien ici n’est un conseil financier. Le trading d’options comporte un risque substantiel de perte.