Backtest Foundations for the Forex Novice In Forex, a backtest is a simulated run of a trading idea on historical price data. It shows how t

Backtest Foundations for the Forex Novice In Forex, a backtest is a simulated run of a trading idea on historical price data. It shows how the idea would have performed if you had traded it in the past, helping you avoid costly trial‑and‑error in live markets. Before you trust any number, you need three basic ingredients: (1) clean, high‑resolution price data that includes bid/ask spreads; (2) a clear set of entry and exit rules that can be coded without ambiguity; and (3) a realistic treatment of transaction costs, slippage, and position sizing. Without these, the backtest result is merely a...