Strategy Lab

Design and backtest your own trading strategies using JavaScript. Experiment with Fibonacci, mathematical formulas, and more.

Strategy Code Editor JavaScript

Strategy Templates

📐

Fibonacci Retracement

Buy at 38.2%~61.8% retracement from peak

📊

Mean Reversion

Enter on N-std deviation moves from average

🚀

Channel Breakout

Buy on N-day high, sell on low breakout

⚡

Momentum Factor

Trade based on N-day return scores

🔲

Grid Trading

Place orders at fixed price intervals

✏️

Blank Template

Start from scratch

🤖 AI Strategy Generator

strategy.js

Backtest Config & Run

Start Date

End Date

Initial Capital

Fee Rate (%)

Interval

Console

Write your code and click 'Run Backtest'.

Strategy Return

Hold Return

Total Trades

Win Rate

Price & Trades

Strategy Coding Guide

Define a strategy(data, params) function. data is an OHLCV array. Return { buy: [indices], sell: [indices] }.

Object/Function	Description	Example
`data[i].close`	Closing price of i-th candle	`data[i].close`
`Ind.sma(close, p)`	Simple Moving Average	`Ind.sma(close, 20)`
`Ind.rsi(close, p)`	Relative Strength Index	`Ind.rsi(close, 14)`
`log(msg)`	Print message to console	`log('Buy at ' + i)`