该策略是一个基于双指数移动平均线(EMA)交叉的趋势跟踪系统,结合了分步退出机制来优化交易收益。策略使用9周期和21周期的EMA作为快线和慢线,通过它们的交叉来识别市场趋势的变化,同时采用两阶段的仓位退出方案来平衡风险和收益。
策略的核心逻辑基于快速EMA(9周期)和慢速EMA(21周期)的交叉信号。当快线上穿慢线时,系统以0.02手开立多头仓位;当快线下穿慢线时,系统以0.02手开立空头仓位。在持仓期间,策略采用两阶段退出机制:第一阶段是在盈利达到200点时平掉一半仓位(0.01手);第二阶段是在出现反向交叉信号时平掉剩余仓位。这种分步退出的设计旨在在保留上涨空间的同时锁定部分利润。
这是一个将经典的均线交叉策略与现代化仓位管理相结合的完整交易系统。策略通过分步退出机制提升了传统均线交叉策略的盈利能力,但仍需要交易者根据具体市场环境和自身风险承受能力进行适当调整。未来的优化方向主要集中在信号过滤和动态风险管理两个方面。
/*backtest
start: 2024-02-25 00:00:00
end: 2025-02-22 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Binance","currency":"SOL_USDT"}]
*/
//@version=5
strategy("EMA Crossover with Partial Exit", overlay=true, default_qty_type=strategy.cash, default_qty_value=50)
// Define lot sizes
lotSize = 0.02 // Initial trade size
partialLot = 0.01 // Half quantity to close at 20 pips profit
profitTarget = 200 // 20 pips = 200 points (for Forex, adjust accordingly)
// Define EMA lengths
fastLength = 9
slowLength = 21
// Compute EMAs
fastEMA = ta.ema(close, fastLength)
slowEMA = ta.ema(close, slowLength)
// Define crossover conditions
longEntry = ta.crossover(fastEMA, slowEMA) // Buy when 9 EMA crosses above 21 EMA
shortEntry = ta.crossunder(fastEMA, slowEMA) // Sell when 9 EMA crosses below 21 EMA
// Track trade state
var float entryPrice = na
var bool inTrade = false
var bool isLong = false
// Entry Logic (Enter with 0.02 lot size)
if (longEntry and not inTrade)
strategy.entry("Long", strategy.long, qty=lotSize)
entryPrice := close
inTrade := true
isLong := true
if (shortEntry and not inTrade)
strategy.entry("Short", strategy.short, qty=lotSize)
entryPrice := close
inTrade := true
isLong := false
// Partial Exit Logic (Close 0.01 lot after 20 pips profit)
if (isLong and inTrade and close >= entryPrice + profitTarget * syminfo.mintick)
strategy.close("Long", qty=partialLot)
if (not isLong and inTrade and close <= entryPrice - profitTarget * syminfo.mintick)
strategy.close("Short", qty=partialLot)
// Full Exit (Close remaining 0.01 lot at the next major crossover)
if (isLong and shortEntry)
strategy.close("Long") // Close remaining position
inTrade := false
if (not isLong and longEntry)
strategy.close("Short") // Close remaining position
inTrade := false
// Plot EMAs
plot(fastEMA, color=color.blue, title="9 EMA")
plot(slowEMA, color=color.red, title="21 EMA")
// Mark Buy/Sell Signals
plotshape(series=longEntry, location=location.belowbar, color=color.green, style=shape.labelup, title="BUY Signal")
plotshape(series=shortEntry, location=location.abovebar, color=color.red, style=shape.labeldown, title="SELL Signal")