构建自己交易系统里，有一个很重要的思维：利弊相生相克原则。就是：我们在把某一方面，或某个环节改成对我们更有利的同时，一定就有一个对我们不利的方面或情况产生；举个简单例子，我们是盈亏比为2时止盈，但是在测试时遇到了一波超大单边行情，发现2倍止盈赚得太少了，立刻把交易系统改为跟踪止盈，但是一但改为跟踪止盈，在大的震荡行情时，止盈的盈亏比就会低于甚至远低于2，利弊相生相克！所以，我们不要陷入不断优化系统的怪圈之中，想方方面面都获得利益最大化，是不可能的！🙂
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