Please check the picture in the attachment.
As can be seen from the picture, the bottom is the result of strategy 0.95 WF matrix. The result shows that the best WF is WF: 60oos days: 120 is days. However, by testing each group of parameters in strategy 0.95 WF matrix, the result is that best WF is WF: 30oos days: 90 is days.