To add a new post, please log in or register All Blogs Analytics & ForecastsWeekly TrendsForecastsTrading SystemsMy TradingChartsTrading StrategiesStatisticsTrading IdeasScalpingNeural NetworksWave CountMarket NewsCurrencyMetalsCrude OilCompany NewsEventsBanksBrokersLaw/RegulationsOther Rules in-sample 24 Trading Strategies In-Sample Results Are Not Evidence: What We A model that has seen the data it is being scored on 8 September 2026 #machine learning, overfitting