DEFINITION

EA (Expert Advisor)

An automated trading script that executes trades algorithmically on MetaTrader 4/5. Most prop firms allow EAs but prohibit specific strategy types like HFT or latency arbitrage.

Related terms

Backtesting

Running a trading strategy against historical market data to evaluate its performance before risking real capital. Backtests are subject to curve-fitting bias and should be followed by forward testing.

Edge

A statistical advantage in a trading strategy that produces positive expected value over a large sample of trades. Without an edge, even perfect discipline cannot produce long-term profitability.

Measure how this term shows up in your trading

Free Discipline Score from your CSV in 60 seconds.

GET YOUR FREE SCORE →