第(1)问是问A bull call spread combined with a bear put spread using $35 and $25 strike options. 花了12.49。如果反过来A bear call spread combined with a bul put spread using $35 and $25 strike options.不是也一样的效果？
而且还不花钱。
买35 卖25，bear call spread，净赚10.3-1.45
卖35 买25， bull put spread，净赚5.2-1.36
哪里错了么
