動的なトレンド追跡と正確なストッププロフィットおよびストップロス戦略

/*backtest
start: 2023-07-25 00:00:00
end: 2024-07-30 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Scalp Slayer (i)", overlay=true)

// Input Parameters
filterNumber = input.float(1.5, "Filter Number", minval=1.0, maxval=10.0, tooltip="Higher = More aggressive Filter, Lower = Less aggressive")
emaTrendPeriod = input.int(50, "EMA Trend Period", minval=1, tooltip="Period for the EMA used for trend filtering")
lookbackPeriod = input.int(20, "Lookback Period for Highs/Lows", minval=1, tooltip="Period for determining recent highs/lows")
colorTP = input.color(title='Take Profit Color', defval=color.orange)
colorSL = input.color(title='Stop Loss Color', defval=color.red)  // Added color for Stop Loss

// Inputs for visibility
showBuyLabels = input.bool(true, title="Show Buy Labels")
showSellLabels = input.bool(true, title="Show Sell Labels")
showStrategy = input.bool(true, title="Show Strategy", tooltip="Enable for strategy testing")

// Calculations
tr = high - low
ema = filterNumber * ta.ema(tr, 50)
trendEma = ta.ema(close, emaTrendPeriod)  // Calculate the EMA for the trend filter

// Ensure calculations are based on historical data only
recentHigh = ta.highest(high, lookbackPeriod)
recentLow = ta.lowest(low, lookbackPeriod)

// Variables to track the entry prices for profit target and stop-loss
var float entryPriceLong = na
var float entryPriceShort = na
var float targetPriceLong = na
var float targetPriceShort = na
var float stopLossLong = na
var float stopLossShort = na

// Buy and Sell Conditions with Trend Filter
buy = close > trendEma and  // Buy only if above the trend EMA
      close[2] > open[2] and close[1] > open[1] and close > open and 
      (math.abs(close[2] - open[2]) > math.abs(close[1] - open[1])) and 
      (math.abs(close - open) > math.abs(close[1] - open[1])) and 
      close > close[1] and close[1] > close[2] and tr > ema

sell = close < trendEma and  // Sell only if below the trend EMA
       close[2] < open[2] and close[1] < open[1] and close < open and 
       (math.abs(close[2] - open[2]) > math.abs(close[1] - open[1])) and 
       (math.abs(close - open) > math.abs(close[1] - open[1])) and 
       close < close[1] and close[1] < close[2] and tr > ema

// Entry Rules
if (buy and barstate.isconfirmed)  // Check for buy condition on candle close
    if (showStrategy)
        strategy.entry("Buy", strategy.long, comment="Buy at Close")
    entryPriceLong := close  // Track entry price for long position
    targetPriceLong := recentHigh  // Set take profit target to recent high
    stopLossLong := recentLow  // Set stop-loss to recent low

if (sell and barstate.isconfirmed)  // Check for sell condition on candle close
    if (showStrategy)
        strategy.entry("Sell", strategy.short, comment="Sell at Close")
    entryPriceShort := close  // Track entry price for short position
    targetPriceShort := recentLow  // Set take profit target to recent low
    stopLossShort := recentHigh  // Set stop-loss to recent high

// Take Profit and Stop Loss Logic
signalBuyTPPrint = (not na(entryPriceLong) and close >= targetPriceLong)
signalSellTPPrint = (not na(entryPriceShort) and close <= targetPriceShort)

signalBuySLPrint = (not na(entryPriceLong) and close <= stopLossLong)
signalSellSLPrint = (not na(entryPriceShort) and close >= stopLossShort)

if (signalBuyTPPrint)
    if (showStrategy)
        strategy.close("Buy", comment="Close Buy at Profit Target")
    entryPriceLong := na  // Reset entry price for long position
    targetPriceLong := na  // Reset target price for long position
    stopLossLong := na  // Reset stop-loss for long position

if (signalSellTPPrint)
    if (showStrategy)
        strategy.close("Sell", comment="Close Sell at Profit Target")
    entryPriceShort := na  // Reset entry price for short position
    targetPriceShort := na  // Reset target price for short position
    stopLossShort := na  // Reset stop-loss for short position

if (signalBuySLPrint)
    if (showStrategy)
        strategy.close("Buy", comment="Close Buy at Stop Loss")
    entryPriceLong := na  // Reset entry price for long position
    targetPriceLong := na  // Reset target price for long position
    stopLossLong := na  // Reset stop-loss for long position

if (signalSellSLPrint)
    if (showStrategy)
        strategy.close("Sell", comment="Close Sell at Stop Loss")
    entryPriceShort := na  // Reset entry price for short position
    targetPriceShort := na  // Reset target price for short position
    stopLossShort := na  // Reset stop-loss for short position

// Plot Buy and Sell Labels with Visibility Conditions
plotshape(showBuyLabels and buy, "Buy", shape.labelup, location=location.belowbar, color=color.green, text="BUY", textcolor=color.white, size=size.tiny, offset=1)
plotshape(showSellLabels and sell, "Sell", shape.labeldown, location=location.abovebar, color=color.red, text="SELL", textcolor=color.white, size=size.tiny, offset=1)

// Plot Take Profit Flags
plotshape(showBuyLabels and signalBuyTPPrint, title="Take Profit (buys)", text="TP", style=shape.flag, location=location.abovebar, color=colorTP, textcolor=color.white, size=size.tiny)
plotshape(showSellLabels and signalSellTPPrint, title="Take Profit (sells)", text="TP", style=shape.flag, location=location.belowbar, color=colorTP, textcolor=color.white, size=size.tiny)

// Plot Stop Loss "X" Marker
plotshape(showBuyLabels and signalBuySLPrint, title="Stop Loss (buys)", text="X", style=shape.xcross, location=location.belowbar, color=colorSL, textcolor=color.white, size=size.tiny)
plotshape(showSellLabels and signalSellSLPrint, title="Stop Loss (sells)", text="X", style=shape.xcross, location=location.abovebar, color=colorSL, textcolor=color.white, size=size.tiny)

// Plot Trend EMA for reference
plot(showStrategy ? trendEma : na, title="Trend EMA", color=color.purple, linewidth=2)

// Plot recent high and low for debugging and validation
plot(showStrategy ? recentHigh : na, title="Recent High", color=color.green, linewidth=1)
plot(showStrategy ? recentLow : na, title="Recent Low", color=color.red, linewidth=1)

// Debugging: Plot bar index to verify real-time behavior
plot(showStrategy ? bar_index : na, title="Bar Index", color=color.blue)

// Debugging: Print the take profit and stop loss conditions
//label.new(bar_index, high, text="TP Buy: " + tostring(signalBuyTPPrint) + "\nSL Buy: " + tostring(signalBuySLPrint) + "\nTP Sell: " + tostring(signalSellTPPrint) + "\nSL Sell: " + tostring(signalSellSLPrint), color=color.blue, textcolor=color.white, size=size.small, style=label.style_label_down)