Bull Spread strategy: the combination of a long position on a call / put option with strike price K1 and a short position on a call / put option with higher strike price K2 (K2 > K1). The Bull Call Spread strategy involves an initial investment (the price of a bought call option is higher than the price of a sold call option), the Bull Put Spread strategy, instead, involves an initial benefit (the price of a bought put option is lower than the price of a sold put option);
Downloads: template call options, template put options, documentation.
