ডুয়েল টেকনিক্যাল ইন্ডিকেটর মোমেন্টাম রিভার্সাল ট্রেডিং স্ট্র্যাটেজি রিস্ক ম্যানেজমেন্ট সিস্টেমের সাথে মিলিত

/*backtest
start: 2024-12-06 00:00:00
end: 2025-01-04 08:00:00
period: 3h
basePeriod: 3h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("RSI + Bollinger Bands with 1:2 Risk/Reward", overlay=true)

// Define Inputs
length_rsi = input.int(14, title="RSI Period")
oversold_level = input.int(30, title="RSI Oversold Level")
overbought_level = input.int(70, title="RSI Overbought Level")
length_bb = input.int(20, title="Bollinger Bands Period")
src = close
risk_to_reward = input.float(2.0, title="Risk-to-Reward Ratio", minval=1.0, step=0.1)

// Calculate Indicators
rsi_value = ta.rsi(src, length_rsi)
basis = ta.sma(src, length_bb)
dev = ta.stdev(src, length_bb)
upper_band = basis + 2 * dev
lower_band = basis - 2 * dev

// Define Buy and Sell Conditions
rsi_buy_condition = rsi_value < oversold_level // RSI below 30 (buy signal)
bollinger_buy_condition = close <= lower_band // Price at or near lower Bollinger Band (buy signal)

rsi_sell_condition = rsi_value > overbought_level // RSI above 70 (sell signal)
bollinger_sell_condition = close >= upper_band // Price at or near upper Bollinger Band (sell signal)

// Combine Buy and Sell Conditions
buy_condition = rsi_buy_condition and bollinger_buy_condition
sell_condition = rsi_sell_condition and bollinger_sell_condition

// Plot Buy and Sell Signals with white text and green/red boxes
plotshape(series=buy_condition, location=location.belowbar, color=color.green, style=shape.labelup, title="Buy Signal", text="BUY", textcolor=color.white, size=size.small)
plotshape(series=sell_condition, location=location.abovebar, color=color.red, style=shape.labeldown, title="Sell Signal", text="SELL", textcolor=color.white, size=size.small)

// Calculate Swing Points (for Stop Loss)
swing_low = ta.lowest(low, 5)  // Last 5 bars' low
swing_high = ta.highest(high, 5) // Last 5 bars' high

// Calculate Risk (Distance from Entry to SL)
long_risk = close - swing_low
short_risk = swing_high - close

// Calculate Take Profit using 1:2 Risk-to-Reward Ratio
take_profit_long = close + 2 * long_risk
take_profit_short = close - 2 * short_risk

// Strategy Execution: Enter Buy/Sell Positions
if buy_condition
    strategy.entry("Buy", strategy.long)
    strategy.exit("Take Profit", "Buy", limit=take_profit_long, stop=swing_low)  // Set TP and SL for Buy

if sell_condition
    strategy.entry("Sell", strategy.short)
    strategy.exit("Take Profit", "Sell", limit=take_profit_short, stop=swing_high)  // Set TP and SL for Sell

// Plotting the Indicators for Visualization (Optional - comment out if not needed)
plot(rsi_value, color=color.blue, title="RSI", linewidth=2, display=display.none)
plot(upper_band, color=color.red, title="Upper BB", display=display.none)
plot(lower_band, color=color.green, title="Lower BB", display=display.none)