ChaoZhang
概述
该策略通过识别K线形态实现价格形态交易。它会寻找最近出现的吊颈线形态,根据形态信号做多或做空。交易者可以设置止盈止损的倍数。趋势跟踪止损可以锁定更多利润。
策略原理
识别当前K线是否符合吊颈线的形态要求:实体处于下半段,收盘价和开盘价接近低点。做多信号则相反,实体在上半段,收开接近高点。寻找最后一个交易信号的K线,计算该K线实体高度。设置止盈为该高度的N倍,止损为该高度的M倍(M小于N)。
入场后开始趋势跟踪,将止盈线逐渐向利润方向移动,止损线保持不变,直到止盈或止损触发为止。
优势分析
- 利用价格形态识别信号,避免频繁交易
- 止盈止损倍数可自定义,兼顾风险和收益
- 趋势跟踪止损锁定更多利润
- 可过滤假突破,避免被套
风险分析
- 形态识别准确率无法达到100%
- 止损范围过小可能被价格震荡止损
- 趋势跟踪时需要及时移动止盈线
可通过优化参数、辅助指标等方法来减少风险。
优化方向
- 测试不同的止盈止损设置
- 结合其他指标过滤假信号
- 优化形态识别条件逻辑
- 在不同品种中测试参数健壮性
总结
该策略利用形态识别发现交易机会,回测表现良好。止盈止损设定合理,可控制单笔交易风险。通过参数优化等进一步完善,可以成为简单实用的交易系统。
策略源码
/*backtest
start: 2023-09-10 00:00:00
end: 2023-09-17 00:00:00
period: 5m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
//
// Pinbar strategy script by samgozman (https://github.com/samgozman)
//
// Detailed instruction how to use this script: https://github.com/samgozman/pinbar-strategy-tradingview
//
// If you liked the script and want to support me: https://paypal.me/sgozman
//
// ++++++++++ Warning: The script is provided for educational purposes only. ++++++++++ //
strategy('Pinbar strategy', default_qty_type=strategy.percent_of_equity, default_qty_value=100, initial_capital=10000)
profitMultiplier = input.float(2.0, "Profit multiplier", minval=0.1, step=0.1, group="Profit options", tooltip="X times signal candle size from high")
lossMultiplier = input.float(1.0, "Loss multiplier", minval=0.1, step=0.1, group="Profit options", tooltip="X times signal candle size from low")
isTrailingStop = input.bool(true, "Use trailing stops?", group="Trading options", tooltip="Highly recommended!")
isCloseOnOppositSignal = input.bool(false, "Close trade if opposit signal occures?", group="Trading options", tooltip="Close long on short signal")
isLongEligible = input.bool(true, "Enter long trades?", group="Trading options")
isShortEligible = input.bool(true, "Enter short trades?", group="Trading options")
useDateFilter = input.bool(true, title="Begin Backtest at Start Date", group="Backtest Time Period")
backtestStartDate = input(timestamp("1 Jan 2021"), title="Start Date", group="Backtest Time Period")
// Predefined time trading zone for back testing
inTradeWindow = true
// HELPER FUNCTIONS //
// calculate candle size for N bars back. Use 0 for current
calcCandle(int periods) =>
math.abs(high[periods] - low[periods])
// if body is below 50% and close/open below 30%
isBearishPinbar(float candle) =>
lower30 = low + candle * 0.30
bottomHalf1 = close < hl2
bottomHalf2 = open < hl2
lowerRegion1 = close < lower30
lowerRegion2 = open < lower30
con1 = bottomHalf1 and bottomHalf2
con2 = lowerRegion1 and lowerRegion2
con3 = high > high[1]
con1 and con2 and con3
// if body is above 50% and close/open above 30%
isBullishPinbar(float candle) =>
upper30 = high - candle * 0.30
topHalf1 = close > hl2
topHalf2 = open > hl2
upperRegion1 = close > upper30
upperRegion2 = open > upper30
con1 = topHalf1 and topHalf2
con2 = upperRegion1 and upperRegion2
con3 = low < low[1]
con1 and con2 and con3
barsSinceLastEntry() =>
strategy.opentrades > 0 ? bar_index - strategy.opentrades.entry_bar_index(strategy.opentrades - 1) : na
// Calculate trading signals
currentCandle = calcCandle(0)
longSignal = isBullishPinbar(currentCandle) and inTradeWindow
shortSignal = isBearishPinbar(currentCandle) and inTradeWindow
// ENTER THE TRADE //
if longSignal and isLongEligible
strategy.entry("buy", strategy.long, when = strategy.position_size == 0)
if shortSignal and isShortEligible
strategy.entry("sell", strategy.short, when = strategy.position_size == 0)
// CALCULATE STOPS //
barsSinceEntry = barsSinceLastEntry()
candleFromEntry = calcCandle(barsSinceEntry)
// long
long_take_limit = strategy.position_avg_price + (candleFromEntry*profitMultiplier)
long_target_percent_profit = long_take_limit / strategy.position_avg_price - 1
long_target_percent_loss = (long_target_percent_profit / profitMultiplier) * lossMultiplier
long_stop_limit = low[barsSinceEntry] * (1 - long_target_percent_loss)
//short
short_take_limit = strategy.position_avg_price - (candleFromEntry*profitMultiplier)
short_target_percent_profit = strategy.position_avg_price / short_take_limit - 1
short_target_percent_loss = (short_target_percent_profit / profitMultiplier) * lossMultiplier
short_stop_limit = high[barsSinceEntry] * (1 + short_target_percent_loss)
// EXIT THE TRADE //
if strategy.position_size > 0 or strategy.position_size < 0
if isTrailingStop
strategy.exit(id="exit", from_entry="buy", trail_price = long_take_limit, stop=long_stop_limit)
strategy.exit(id="exit", from_entry="sell", trail_price = short_take_limit, stop=short_stop_limit)
else
strategy.exit(id="exit", from_entry="buy", limit = long_take_limit, stop=long_stop_limit)
strategy.exit(id="exit", from_entry="sell", limit = short_take_limit, stop=short_stop_limit)
if isCloseOnOppositSignal
strategy.close("buy", when = shortSignal)
strategy.close("sell", when = longSignal)
// PLOT SIGNALS //
plotshape(longSignal, style=shape.arrowup, color=color.new(color.green, 0), size=size.large, location=location.belowbar)
plotshape(shortSignal, style=shape.arrowdown, color=color.new(color.red, 0), size=size.large, location=location.abovebar)