yufangping 发表于 2015-8-2 16:11 
还有就是用一个普通看涨期权和一个由反射原理的来的看跌期权的组合来静态对冲向下敲出的障碍期权时,期初组 ...
Except barrier option others use greeks and dynamic hedging is ok.
This arbitrage opportunity should not exist, plz check your argument. You might miss some scenarios.