A complex options trading strategy which combines a long call backspread and a short put ratio spread. For example, an investor may sell one 45 call and buy two 50 calls (here is the call backspread) and buy one 50 put and sell two 45 puts (that is the short put ratio spread). The outlook of this strategy ranges from the extremely bullish to the slightly bearish. It risk is unlimited downside, while its maximum potential gain is unlimited at extreme upside.