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)