趋势跟踪止损反转策略是一个利用 Parabolic SAR 指标来识别趋势,并在趋势反转时进入反向头寸的策略。该策略同时结合了止损和止盈机制来控制风险。
该策略使用 Parabolic SAR 指标来判断当前市场趋势。Parabolic SAR full name is “Parabolic Stop and Reverse”,表示抛物线止损反转。它的指标线在价格图上像一系列抛物线,这些抛物线点代表可能的反转点。
当 SAR 点下降且低于价格时,代表看涨趋势;当 SAR 点上升且高于价格时,代表看跌趋势。该策略就是根据 SAR 点位置来判断目前的趋势方向。
具体来说,当 SAR 点上升趋势且高于价格时,策略会做空头寸;当 SAR 点下降趋势且低于价格时,策略会做多头寸。也就是在 SAR 点显示趋势反转时,进入反向头寸。
此外,该策略还设置了止损和止盈机制。做多时,有可能设置止损价格来限制亏损;同时有可能设置止盈价格,在价格达到一定目标利润后平仓。做空也是类似的机制。
该策略结合趋势指标和止损/止盈机制,有以下主要优势:
该策略也存在一些风险需要注意:
针对这些风险,可以通过调整参数优化,或配合其他指标过滤来解决。
该策略可以从以下几个方向进行优化:
该趋势跟踪止损反转策略,整体来说是一个较为经典的交易策略思路。它起到了识别趋势反转的功能,同时辅以止损和止盈手段控制风险。通过优化可以成为一个值得实盘的策略思路。
/*backtest start: 2024-01-24 00:00:00 end: 2024-01-31 00:00:00 period: 30m basePeriod: 15m exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=4 strategy("Parabolic SAR Strategy", overlay=true) start = input(0.02) increment = input(0.02) maximum = input(0.2) var bool uptrend = na var float EP = na var float SAR = na var float AF = start var float nextBarSAR = na if bar_index > 0 firstTrendBar = false SAR := nextBarSAR if bar_index == 1 float prevSAR = na float prevEP = na lowPrev = low[1] highPrev = high[1] closeCur = close closePrev = close[1] if closeCur > closePrev uptrend := true EP := high prevSAR := lowPrev prevEP := high else uptrend := false EP := low prevSAR := highPrev prevEP := low firstTrendBar := true SAR := prevSAR + start * (prevEP - prevSAR) if uptrend if SAR > low firstTrendBar := true uptrend := false SAR := max(EP, high) EP := low AF := start else if SAR < high firstTrendBar := true uptrend := true SAR := min(EP, low) EP := high AF := start if not firstTrendBar if uptrend if high > EP EP := high AF := min(AF + increment, maximum) else if low < EP EP := low AF := min(AF + increment, maximum) if uptrend SAR := min(SAR, low[1]) if bar_index > 1 SAR := min(SAR, low[2]) else SAR := max(SAR, high[1]) if bar_index > 1 SAR := max(SAR, high[2]) nextBarSAR := SAR + AF * (EP - SAR) if barstate.isconfirmed if uptrend strategy.entry("ParSE", strategy.short, stop=nextBarSAR, comment="ParSE") strategy.cancel("ParLE") else strategy.entry("ParLE", strategy.long, stop=nextBarSAR, comment="ParLE") strategy.cancel("ParSE") plot(SAR, style=plot.style_cross, linewidth=3, color=color.orange) plot(nextBarSAR, style=plot.style_cross, linewidth=3, color=color.aqua) //Stop Loss Inputs use_short_stop_loss = input(false, title="Short Stop Loss", group="Stop Loss and Take Profit", inline="Short_SL") short_stop_loss = input(title="(%)", type=input.float, minval=0.0, step=0.1, defval=5, group="Stop Loss and Take Profit", inline="Short_SL") * 0.01 use_long_stop_loss = input(false, title="Long Stop Loss", group="Stop Loss and Take Profit", inline="Long_SL") long_stop_loss = input(title="(%)", type=input.float, minval=0.0, step=0.1, defval=5, group="Stop Loss and Take Profit", inline="Long_SL") * 0.01 //Take Profit Inputs use_short_take_profit = input(false, title="Short Take Profit", group="Stop Loss and Take Profit", inline="Short_TP") short_take_profit = input(title="(%)", type=input.float, minval=0.0, step=0.1, defval = 20, group="Stop Loss and Take Profit", inline="Short_TP") * .01 use_long_take_profit = input(false, title="Long Take Profit", group="Stop Loss and Take Profit", inline="Long_TP") long_take_profit = input(title="(%)", type=input.float, minval=0.0, step=0.1, defval = 20, group="Stop Loss and Take Profit", inline="Long_TP") * .01 longStopPrice = strategy.position_avg_price * (1 - long_stop_loss) shortStopPrice = strategy.position_avg_price * (1 + short_stop_loss) longLimitPrice = strategy.position_avg_price * (1 + long_take_profit) shortLimitPrice = strategy.position_avg_price * (1 - short_take_profit) if (strategy.position_size > 0.0) if (use_long_stop_loss and not use_long_take_profit) strategy.exit("Long", stop = longStopPrice) if (use_long_take_profit and not use_long_stop_loss) strategy.exit("Long", limit = longLimitPrice) if (use_long_take_profit and use_long_stop_loss) strategy.exit("Long", stop = longStopPrice, limit=longLimitPrice) if (strategy.position_size < 0.0) if (use_short_stop_loss and not use_short_take_profit) strategy.exit("Short", stop = shortStopPrice) if (use_short_take_profit and not use_short_stop_loss) strategy.exit("Short", limit = shortLimitPrice) if (use_short_take_profit and use_short_stop_loss) strategy.exit("Short", stop = shortStopPrice, limit = shortLimitPrice) //plot(strategy.equity, title="equity", color=color.red, linewidth=2, style=plot.style_areabr)