Another Look. This time at NZDUSD. Posted since the picture has a LEGEND explaining it. OOS Result = Out-Of-Sample Result. Answering "What would happen if you used parameters from an optimized In-Sample period on data that algo has NEVER SEEN". In this resulting optimization EasyGOLD generate 90% predictive value (9/10 months). Its a stable algo. Simple ideas are best. - https://www.mql5.com/en/market/product/101776