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Backtest Engine

Test 11 indicator-based strategies on synthetic or uploaded price data. Configure asset spec, risk management, and entry filters — runs entirely client-side.

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Data source

Pick a quick-load source or upload your own OHLCV CSV. Sample buttons fall back to profiled synthetic if a sample file is unavailable.

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Synthetic bars

Asset spec

Contract / coin specification driving sizing and commission

TypeUnit SizeTick SizeCurrencyComm TypeComm % per side

Strategy

Fast/Slow EMA cross — trend following

Pick strategy

Fast EMA?Fast EMA period. Reacts quickly to recent price.Slow EMA?Slow EMA period. Smoother trend baseline. The cross of fast above/below slow is the signal.Hold bars?Number of bars to hold the trade after entry, then exit at market.

Learn the indicatorsEMA↗

Presets?Hand-curated starting points for this strategy. Click to apply param changes (and optionally toggle filters/risk). Hover each button to see what it does.

Risk management

Stop loss / take profit / trailing stop / slippage. ATR-derived multipliers.

Stop loss?Exit a trade when price moves SL × ATR against you. Caps single-trade loss.Take profit?Exit when price moves TP × ATR in your favor. Locks in gains earlier.Trailing stop?Stop that ratchets along favorable moves by Trail × ATR. Lets winners run while protecting profit.Slippage?Models real-world fill imperfection (spread + market impact). Default ON because every market has it.

ATR periodSL × ATRTP × ATRTrail × ATRSlip k (ATR mode)

Indicator filters

Common entry filters: signal must pass the enabled filter to fire.

Volume?Only trade when current bar's volume is at least N × the volume SMA. Filters low-conviction bars.

Period× SMA

ADX?Only trade when ADX (Average Directional Index, 0-100) is at or above the threshold. Higher ADX = stronger trend. Typical 20-25.

Period≥ Threshold

RSI?Allow longs only when RSI < OS, shorts only when RSI > OB. Avoids buying overbought / selling oversold. Default OB=70 OS=30.

OBOS

EMA trend?Long only when fast EMA > slow EMA (uptrend); short only when fast EMA < slow EMA (downtrend). Trend confluence filter.

FastSlow

Body %?Only trade signal bars whose body (|close − open|) is at least N% of the bar's high-low range. Rejects indecisive doji-like bars.

Min %

Ready to run

Click Run backtest to execute EMA Crossover on 500 synthetic bars. Results render below — chart, trade log, walk-forward, and Monte Carlo.

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Disclaimer: All content on this site is for educational and informational purposes only and does not constitute investment advice. Past performance of any backtested strategy is not indicative of future results. Trading involves risk of loss.