该策略基于布林带指标进行交易信号判断和止盈止损设置。当价格触及布林带中轨时开仓做多做空,并设置0.5%的止盈和3%的止损,属于短线交易策略。
布林带中轨为收盘价的N日简单移动平均线。上轨为中轨+K倍的N日收盘价标准差,下轨为中轨-K倍的N日收盘价标准差。当价格从下向上穿过中轨时做多,当价格从上向下穿过中轨时做空。每次交易固定数量开仓,并设置0.5%的止盈和3%的止损。
风险解决方法:
该策略整体思路清晰,使用布林带判断交易信号效果不错。但交易频繁且利润空间有限,建议结合趋势判断指标过滤信号,同时通过优化参数以提高策略效果。
/*backtest start: 2024-02-01 00:00:00 end: 2024-02-29 23:59:59 period: 1h basePeriod: 15m exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=5 strategy("Estrategia Bollinger Bands", shorttitle="BB Strategy", overlay=true) // Parámetros de las Bandas de Bollinger length = input(20, title="Longitud") mult = input(2.0, title="Multiplicador") // Calcula las Bandas de Bollinger basis = ta.sma(close, length) upper_band = basis + mult * ta.stdev(close, length) lower_band = basis - mult * ta.stdev(close, length) // Condiciones para realizar operaciones price_touches_basis_up = ta.crossover(close, basis) price_touches_basis_down = ta.crossunder(close, basis) // Lógica de la estrategia if (price_touches_basis_up) strategy.entry("Compra", strategy.long, qty = 1) if (price_touches_basis_down) strategy.entry("Venta", strategy.short, qty = 1) // Lógica para cerrar la operación con un movimiento del 0,5% (take profit) o 3% (stop loss) target_profit = 0.005 // Actualizado a 0.5% stop_loss = 0.03 if (strategy.position_size > 0) strategy.exit("Take Profit/Close", from_entry = "Compra", profit = close * (1 + target_profit)) strategy.exit("Stop Loss/Close", from_entry = "Compra", loss = close * (1 - stop_loss)) if (strategy.position_size < 0) strategy.exit("Take Profit/Close", from_entry = "Venta", profit = close * (1 - target_profit)) strategy.exit("Stop Loss/Close", from_entry = "Venta", loss = close * (1 + stop_loss)) // Dibuja las Bandas de Bollinger en el gráfico plot(upper_band, color=color.blue, title="Upper Band") plot(lower_band, color=color.red, title="Lower Band") plot(basis, color=color.green, title="Basis")