短周期的通道止损策略设置的止损点较近，因而能保护更多的浮动盈利。
Using a shorter channel can create a closer stop in order to preserve more open trade profits .
然而当止损点最终被触发时，该方法仍然会回吐大量的浮动盈利。
However this method will also give back the largest amount of open profits when the stop is eventually triggered .
浮动盈利