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  2. Greeks (finance) - Wikipedia

    en.wikipedia.org/wiki/Greeks_(finance)

    Most long options have positive gamma and most short options have negative gamma. Long options have a positive relationship with gamma because as price increases, Gamma increases as well, causing Delta to approach 1 from 0 (long call option) and 0 from −1 (long put option). The inverse is true for short options. [11]

  3. Variance gamma process - Wikipedia

    en.wikipedia.org/wiki/Variance_gamma_process

    The variance gamma process has been successfully applied in the modeling of credit risk in structural models. The pure jump nature of the process and the possibility to control skewness and kurtosis of the distribution allow the model to price correctly the risk of default of securities having a short maturity, something that is generally not possible with structural models in which the ...

  4. Convexity (finance) - Wikipedia

    en.wikipedia.org/wiki/Convexity_(finance)

    From the point of view of risk management, being long convexity (having positive Gamma and hence (ignoring interest rates and Delta) negative Theta) means that one benefits from volatility (positive Gamma), but loses money over time (negative Theta) – one net profits if prices move more than expected, and net loses if prices move less than ...

  5. The option Greeks: The key factors that move option prices - AOL

    www.aol.com/finance/option-greeks-key-factors...

    Rho: Rho measures the change in the option price if the risk-free interest rate changes by 1 percentage point. A rising rate raises the price of call options and lowers the cost of put options ...

  6. Options strategy - Wikipedia

    en.wikipedia.org/wiki/Options_strategy

    Following Black-Scholes option pricing model, the option's payoff, delta, and gamma (option greeks) can be investigated as time progress to maturity: Payoff, delta, and gamma of a call option Payoff, delta, and gamma of a put option

  7. Black–Scholes equation - Wikipedia

    en.wikipedia.org/wiki/Black–Scholes_equation

    From the viewpoint of the option issuer, e.g. an investment bank, the gamma term is the cost of hedging the option. (Since gamma is the greatest when the spot price of the underlying is near the strike price of the option, the seller's hedging costs are the greatest in that circumstance.)

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