TradingView 上有一个 Pine 脚本代码，其中有 2 个止盈级别和 2 个止损级别：tradingview.com。当实现第一个止盈时，一半仓位被平仓，第一个止损移至入场水平（盈亏平衡）。
您是否有任何想法如何通过以下逻辑设置 3 个止盈水平：
当达到 TP 1 时，SL 将移至盈亏平衡
当达到 TP 2 时，SL 移至 TP 2
当达到 TP 3 时，退出仓位
非常感谢您的帮助！
//@version=4
strategy("SL1 Pips after TP1 (MA)", commission_type=strategy.commission.cash_per_order, overlay=true, default_qty_value=1000, initial_capital=100)
// Strategy
Buy = input(true)
Sell = input(true)
// Date Range
start_year = input(title='Start year' ,defval=2020)
start_month = input(title='Start month' ,defval=1)
start_day = input(title='Start day' ,defval=1)
start_hour = input(title='Start hour' ,defval=0)
start_minute = input(title='Start minute' ,defval=0)
end_time = input(title='set end time?',defval=false)
end_year = input(title='end year' ,defval=2019)
end_month = input(title='end month' ,defval=12)
end_day = input(title='end day' ,defval=31)
end_hour = input(title='end hour' ,defval=23)
end_minute = input(title='end minute' ,defval=59)
// MA
ema_period = input(title='EMA period',defval=10)
wma_period = input(title='WMA period',defval=20)
ema = ema(close,ema_period)
wma = wma(close,wma_period)
// Entry Condition
buy =
crossover(ema,wma) and
nz(strategy.position_size) == 0 and Buy and
time > timestamp(start_year, start_month, start_day, start_hour, start_minute) and
(end_time?(time < timestamp(end_year, end_month, end_day, end_hour, end_minute)):true)
sell =
crossunder(ema,wma) and
nz(strategy.position_size) == 0 and Sell and
time > timestamp(start_year, start_month, start_day, start_hour, start_minute) and
(end_time?(time < timestamp(end_year, end_month, end_day, end_hour, end_minute)):true)
// Pips
pip = input(20)*10*syminfo.mintick
// Trading parameters //
var bool LS = na
var bool SS = na
var float EP = na
var float TVL = na
var float TVS = na
var float TSL = na
var float TSS = na
var float TP1 = na
var float TP2 = na
var float SL1 = na
var float SL2 = na
if buy or sell and strategy.position_size == 0
EP := close
SL1 := EP - pip * (sell?-1:1)
SL2 := EP - pip * (sell?-1:1)
TP1 := EP + pip * (sell?-1:1)
TP2 := EP + pip * 2 * (sell?-1:1)
// current trade direction
LS := buy or strategy.position_size > 0
SS := sell or strategy.position_size < 0
// adjust trade parameters and trailing stop calculations
TVL := max(TP1,open) - pip[1]
TVS := min(TP1,open) + pip[1]
TSL := open[1] > TSL[1] ? max(TVL,TSL[1]):TVL
TSS := open[1] < TSS[1] ? min(TVS,TSS[1]):TVS
if LS and high > TP1
if open <= TP1
SL2:=min(EP,TSL)
if SS and low < TP1
if open >= TP1
SL2:=max(EP,TSS)
// Closing conditions
close_long = LS and open < SL2
close_short = SS and open > SL2
// Buy
strategy.entry("buy" , strategy.long, when=buy and not SS)
strategy.exit ("exit1", from_entry="buy", stop=SL1, limit=TP1, qty_percent=50)
strategy.exit ("exit2", from_entry="buy", stop=SL2, limit=TP2)
// Sell
strategy.entry("sell" , strategy.short, when=sell and not LS)
strategy.exit ("exit3", from_entry="sell", stop=SL1, limit=TP1, qty_percent=50)
strategy.exit ("exit4", from_entry="sell", stop=SL2, limit=TP2)
// Plots
a=plot(strategy.position_size > 0 ? SL1 : na, color=#dc143c, style=plot.style_linebr)
b=plot(strategy.position_size < 0 ? SL1 : na, color=#dc143c, style=plot.style_linebr)
c=plot(strategy.position_size > 0 ? TP1 : na, color=#00ced1, style=plot.style_linebr)
d=plot(strategy.position_size < 0 ? TP1 : na, color=#00ced1, style=plot.style_linebr)
e=plot(strategy.position_size > 0 ? TP2 : na, color=#00ced1, style=plot.style_linebr)
f=plot(strategy.position_size < 0 ? TP2 : na, color=#00ced1, style=plot.style_linebr)
g=plot(strategy.position_size >= 0 ? na : EP, color=#ffffff, style=plot.style_linebr)
h=plot(strategy.position_size <= 0 ? na : EP, color=#ffffff, style=plot.style_linebr)
plot(ema,title="ema",color=#fff176)
plot(wma,title="wma",color=#00ced1)
非常感谢您的帮助！
这是您需要的示例：
\n// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/\n// \xc2\xa9 adolgov\n\n// @description\n// when tp1 is reached, sl is moved to break-even\n// when tp2 is reached, sl is moved to tp1\n// when tp3 is reached - exit\n\n//@version=4\nstrategy("Stepped trailing strategy example", overlay=true)\n\n// random entry condition\nlongCondition = crossover(sma(close, 14), sma(close, 28))\nif (longCondition)\n strategy.entry("My Long Entry Id", strategy.long)\n\n// sl & tp in points\nsl = input(100)\ntp1 = input(100)\ntp2 = input(200)\ntp3 = input(300)\n\ncurProfitInPts() =>\n if strategy.position_size > 0\n (high - strategy.position_avg_price) / syminfo.mintick\n else if strategy.position_size < 0\n (strategy.position_avg_price - low) / syminfo.mintick\n else\n 0\n \ncalcStopLossPrice(OffsetPts) =>\n if strategy.position_size > 0\n strategy.position_avg_price - OffsetPts * syminfo.mintick\n else if strategy.position_size < 0\n strategy.position_avg_price + OffsetPts * syminfo.mintick\n else\n 0\n \ncalcProfitTrgtPrice(OffsetPts) =>\n calcStopLossPrice(-OffsetPts)\n\ngetCurrentStage() =>\n var stage = 0\n if strategy.position_size == 0 \n stage := 0\n if stage == 0 and strategy.position_size != 0\n stage := 1\n else if stage == 1 and curProfitInPts() >= tp1\n stage := 2\n else if stage == 2 and curProfitInPts() >= tp2\n stage := 3\n stage\n\nstopLevel = -1.\nprofitLevel = calcProfitTrgtPrice(tp3)\n\n// based on current stage set up exit\n// note: we use same exit ids ("x") consciously, for MODIFY the exit\'s parameters\ncurStage = getCurrentStage()\nif curStage == 1\n stopLevel := calcStopLossPrice(sl)\n strategy.exit("x", loss = sl, profit = tp3, comment = "sl or tp3")\nelse if curStage == 2\n stopLevel := calcStopLossPrice(0)\n strategy.exit("x", stop = stopLevel, profit = tp3, comment = "breakeven or tp3")\nelse if curStage == 3\n stopLevel := calcStopLossPrice(-tp1)\n strategy.exit("x", stop = stopLevel, profit = tp3, comment = "tp1 or tp3")\nelse\n strategy.cancel("x")\n你可以在这里看到它是如何工作的
\n