该策略是一个结合了多重移动平均线(SMA)和随机指标(KDJ)的趋势跟踪交易系统。通过设定价格区间和趋势判断条件,在市场趋势明确时进行交易。策略采用了动态止损机制,根据市场走势调整持仓管理,既保护既有利润又不会过早离场。
策略主要基于以下几个核心组件: 1. 双均线系统:使用19周期和74周期SMA作为趋势判断工具 2. 价格区间:将价格区间分为5个等级,用于判断市场强弱 3. 随机指标:使用60周期的随机指标进行超买超卖判断 4. 趋势确认:通过连续3根K线的走势判断趋势的持续性 5. 入场条件:价格突破74周期SMA且位于相应价格区间时入场 6. 止损机制:采用跟踪止损,在趋势改变时及时离场
该策略通过结合多重技术指标构建了一个完整的交易系统,具有良好的趋势跟踪能力和风险管理机制。虽然在某些市场环境下可能面临挑战,但通过持续优化和完善,策略有望在不同市场环境下都能保持稳定表现。建议交易者在实盘使用时注意控制仓位,合理设置止损,并根据市场情况适时调整参数。
/*backtest
start: 2024-11-26 00:00:00
end: 2024-12-25 08:00:00
period: 4h
basePeriod: 4h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
strategy("Purple SMA Strategy", overlay=true)
// === INPUTS ===
zoneLength = input.int(20, "Price Zone Length", minval=5)
tickSize = input.float(1.0, "Tick Size for Hard Stop")
hardStopTicks = input.int(50, "Hard Stop Loss in Ticks")
// === CALCULATE ZONES ===
h = ta.highest(high, zoneLength)
l = ta.lowest(low, zoneLength)
priceRange = h - l
lvl5 = h
lvl4 = l + (priceRange * 0.75) // Orange line
lvl3 = l + (priceRange * 0.50) // Yellow line
lvl2 = l + (priceRange * 0.25) // Green line
lvl1 = l
// === INDICATORS ===
sma19 = ta.sma(close, 19)
sma74 = ta.sma(close, 74)
// === CANDLE COLOR CONDITIONS ===
isGreenCandle = close > open
isRedCandle = close < open
// === CONTINUOUS TREND DETECTION ===
isThreeGreenCandles = close > open and close[1] > open[1] and close[2] > open[2]
isThreeRedCandles = close < open and close[1] < open[1] and close[2] < open[2]
var bool inGreenTrend = false
var bool inRedTrend = false
// Update trends
if isThreeGreenCandles
inGreenTrend := true
inRedTrend := false
if isThreeRedCandles
inRedTrend := true
inGreenTrend := false
if (inGreenTrend and isRedCandle) or (inRedTrend and isGreenCandle)
inGreenTrend := false
inRedTrend := false
// === STOCHASTIC CONDITIONS ===
k = ta.stoch(close, high, low, 60)
d = ta.sma(k, 10)
isOverbought = d >= 80
isOversold = d <= 20
stochUp = d > d[1]
stochDown = d < d[1]
// === SMA COLOR LOGIC ===
sma19Color = if isOverbought and stochUp
color.green
else if isOverbought and stochDown
color.red
else if isOversold and stochUp
color.green
else if isOversold and stochDown
color.red
else if stochUp
color.blue
else if stochDown
color.purple
else
color.gray
sma74Color = sma74 < sma19 ? color.green : color.red
// === CROSSING CONDITIONS ===
crossUpSMA = ta.crossover(close, sma74)
crossDownSMA = ta.crossunder(close, sma74)
// === ENTRY CONDITIONS ===
buyCondition = crossUpSMA and close > lvl4
sellCondition = crossDownSMA and close < lvl2
// === POSITION MANAGEMENT ===
var float stopLevel = na
var bool xMode = false
// Entry and Stop Loss
if buyCondition
strategy.entry(id="Long", direction=strategy.long)
stopLevel := close - (hardStopTicks * tickSize)
xMode := false
if sellCondition
strategy.entry(id="Short", direction=strategy.short)
stopLevel := close + (hardStopTicks * tickSize)
xMode := false
// Update stops based on X's
if strategy.position_size != 0 and (inGreenTrend or inRedTrend)
xMode := true
if strategy.position_size > 0 // Long position
stopLevel := low
else // Short position
stopLevel := high
// Exit logic
if strategy.position_size > 0 // Long position
if low <= stopLevel
strategy.close(id="Long")
else if xMode and not (inGreenTrend or inRedTrend)
strategy.close(id="Long")
if strategy.position_size < 0 // Short position
if high >= stopLevel
strategy.close(id="Short")
else if xMode and not (inGreenTrend or inRedTrend)
strategy.close(id="Short")
// === PLOTTING ===
plot(sma19, "SMA 19", color=sma19Color, linewidth=2)
plot(sma74, "SMA 74", color=sma74Color, linewidth=2)
plot(lvl5, "Upper Zone Top", color=color.red, linewidth=2)
plot(lvl4, "Upper Zone Bottom", color=color.orange, linewidth=2)
plot(lvl3, "Middle Line", color=color.yellow, linewidth=2)
plot(lvl2, "Lower Zone Top", color=color.green, linewidth=2)
plot(lvl1, "Lower Zone Bottom", color=color.blue, linewidth=2)
// Plot X signals
plotshape(inGreenTrend, title="Bullish Line", style=shape.xcross, location=location.belowbar, color=color.white, size=size.tiny)
plotshape(inRedTrend, title="Bearish Line", style=shape.xcross, location=location.abovebar, color=color.white, size=size.tiny)
// Zone fills
var p1 = plot(lvl5, display=display.none)
var p2 = plot(lvl4, display=display.none)
var p3 = plot(lvl2, display=display.none)
var p4 = plot(lvl1, display=display.none)
fill(p1, p2, color=color.new(color.red, 90))
fill(p3, p4, color=color.new(color.green, 90))
// Plot entry signals
plotshape(buyCondition, title="Buy", style=shape.square, location=location.belowbar, color=color.new(color.blue, 20), size=size.tiny, text="BUY", textcolor=color.blue)
plotshape(sellCondition, title="Sell", style=shape.square, location=location.abovebar, color=color.new(color.red, 20), size=size.tiny, text="SELL", textcolor=color.red)