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Write your own strategy in JS. Runs in an isolated Web Worker · 1x-25x leverage.

strategy.jssandbox · isolated

// Write your own strategy! The "strategy(candles)" function must return a Signal.
// Available helper functions:
//   ema(values, period), sma(values, period), rsi(closes, period)
//   macd(closes) -> {macd, signal, histogram}
//   atr(candles, period), bollingerBands(closes, period, std)
//   makeSignal({ signal, entry, stop_loss, take_profit, confidence, reason })
//
// candles: [{ time, open, high, low, close, volume }, ...]  (newest = last element)

function strategy(candles) {
  const closes = candles.map(c => c.close);
  const fast = ema(closes, 9);
  const slow = ema(closes, 21);
  const i = candles.length - 1;
  const price = closes[i];
  const a = atr(candles, 14)[i];

// EMA9 crossing above EMA21 = LONG
  if (fast[i] > slow[i] && fast[i-1] <= slow[i-1]) {
    const sl = price - 2 * a;
    const risk = price - sl;
    return makeSignal({
      signal: "long",
      entry: price,
      stop_loss: sl,
      take_profit: [price + risk*1.5, price + risk*2.5, price + risk*4],
      confidence: 0.7,
      reason: "EMA9 crossed above EMA21"
    });
  }

// Crossing below = SHORT
  if (fast[i] < slow[i] && fast[i-1] >= slow[i-1]) {
    const sl = price + 2 * a;
    const risk = sl - price;
    return makeSignal({
      signal: "short",
      entry: price,
      stop_loss: sl,
      take_profit: [price - risk*1.5, price - risk*2.5, price - risk*4],
      confidence: 0.7,
      reason: "EMA9 crossed below EMA21"
    });
  }

return makeSignal({ reason: "No signal" });
}

Auto

Balance

$1000.00

Equity

$1000.00

LEVERAGE 5x

SOLUSDT$0

Notional $margin $20.00

LIVE LOG

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SOL/USDT · 15m