nag_specfun_opt_heston_greeks (s30nbc) Example Program Results Heston's Stochastic volatility Model European Call : Spot = 100.0000 Volatility of vol = 0.5751 Mean reversion = 1.5768 Correlation = -0.5711 Variance = 0.0175 Mean of variance = 0.0398 Risk aversion = 1.0000 Rate = 0.0250 Dividend = 0.0000 Time to Expiry : 1.0000 Strike Price Delta Gamma Vega Theta Rho 100.0000 7.2743 0.6945 0.0251 52.5461 -4.9969 62.1735 Vanna Charm Speed Zomma Vomma -0.5643 -0.0321 -0.0023 -0.1976 -321.0780