মাল্টি-পিরিয়ড RSI মোমেন্টাম এবং ট্রিপল EMA ট্রেন্ড অনুসরণ করে কম্পোজিট কৌশল

/*backtest
start: 2023-11-12 00:00:00
end: 2024-07-10 00:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Combined RSI Primed and 3 EMA Strategy", overlay=true)

// Input for EMA lengths
emaLength1 = input(21, title="EMA Length 1")
emaLength2 = input(50, title="EMA Length 2")
emaLength3 = input(200, title="EMA Length 3")

// Input for RSI settings
rsiLength = input(14, title="RSI Length")
rsiOverbought = input(94, title="RSI Overbought Level")
rsiNeutral = input(50, title="RSI Neutral Level")
rsiOversold = input(4, title="RSI Oversold Level")

// Calculate EMAs
ema1 = ta.ema(close, emaLength1)
ema2 = ta.ema(close, emaLength2)
ema3 = ta.ema(close, emaLength3)

// Calculate RSI using Chebyshev method from RSI Primed
rsi(source) =>
    up = math.max(ta.change(source), 0)
    down = -math.min(ta.change(source), 0)
    rs = up / down
    rsiValue = down == 0 ? 100 : 100 - (100 / (1 + rs))
    rsiValue

rsiValue = rsi(close)

// Plot EMAs
plot(ema1, color=color.red, title="EMA 21")
plot(ema2, color=color.white, title="EMA 50")
plot(ema3, color=color.blue, title="EMA 200")

// Plot RSI for visual reference
hline(rsiOverbought, "Overbought", color=color.red)
hline(rsiNeutral, "Neutral", color=color.gray)
hline(rsiOversold, "Oversold", color=color.green)
plot(rsiValue, color=color.blue, title="RSI")

// Trading logic with position management
var bool inPositionShort = false
var bool inPositionLong = false

// Trading logic for 1-minute timeframe
if (rsiValue > rsiOverbought and not inPositionShort)
    strategy.entry("Sell", strategy.short)
    inPositionShort := true

if (rsiValue < rsiOversold and inPositionShort)
    strategy.close("Sell")
    inPositionShort := false

if (ta.crossover(rsiValue, rsiNeutral) and inPositionShort)
    strategy.exit("Break Even", "Sell", stop=close)

// Trading logic for 5-minute timeframe
var float lastBearishClose = na

if (close < ema3 and close[1] >= ema3) // Check if the current close is below EMA200
    lastBearishClose := close

if (not na(lastBearishClose) and close > lastBearishClose and not inPositionLong)
    strategy.entry("Buy", strategy.long)
    inPositionLong := true

if (rsiValue > rsiOverbought and inPositionLong)
    strategy.close("Buy")
    inPositionLong := false

if (ta.crossunder(rsiValue, rsiNeutral) and inPositionLong)
    strategy.exit("Break Even", "Buy", stop=close)

lastBearishClose := na // Reset after trade execution