So many new traders ask me how to develop their own entry signals and build their own trading systems, I wanted to share a few sites that provide basic backtesting functionality:

ETF Replay is a site that provides free backtesting for ETFs using moving averages, moving average crossovers, and a free ETF portfolio backtest function. gives traders moving averages and moving average crossovers, to test both long and short all the way back to the 1990’s.

Kora Reddy has done outstanding work with Past Stat: All Stats and No Fiction, quantifying many different types of signals, and providing a huge amount of equities to choose from when backtesting the past four years of data.

These are three great sites to start with when learning the historical dynamics of the stock market, and the trading principles that make money.