ফিবোনাচি বাউন্স হান্টার

/*backtest
start: 2025-01-01 00:00:00
end: 2025-03-08 00:00:00
period: 3d
basePeriod: 3d
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT","balance":500000}]
*/

//@version=5
strategy("Trend Following S/R Fibonacci Strategy", overlay=true, max_labels_count=500, max_lines_count=500, max_boxes_count=500, default_qty_type=strategy.percent_of_equity, default_qty_value=10, initial_capital=10000, currency=currency.USD)

// ===== Input Parameters =====
// Trend Settings
emaFast = input.int(20, "EMA Fast", minval=1)
emaSlow = input.int(50, "EMA Slow", minval=1)
atrPeriod = input.int(14, "ATR Period", minval=1)
atrMultiplier = input.float(2.0, "ATR Multiplier", minval=0.1, step=0.1)

// Support/Resistance Settings
lookback = input.int(20, "S/R Lookback Period", minval=5)
srStrength = input.int(3, "S/R Strength", minval=1)

// Fibonacci Settings
showFiboLevels = input.bool(true, "Show Fibonacci Levels")
tp1Ratio = input.float(0.236, "TP1 Ratio (23.6%)", minval=0.1, maxval=1.0)
tp2Ratio = input.float(0.382, "TP2 Ratio (38.2%)", minval=0.1, maxval=1.0)
tp3Ratio = input.float(0.618, "TP3 Ratio (61.8%)", minval=0.1, maxval=1.0)

// Risk Management
riskRewardRatio = input.float(1.5, "Risk/Reward Ratio", minval=0.5, step=0.1)
useATRStop = input.bool(true, "Use ATR for Stop Loss")

// Strategy Settings
useStrategyMode = input.bool(true, "Use Strategy Mode (Backtesting)")
positionSize = input.float(10.0, "Position Size (% of Equity)", minval=0.1, maxval=100.0, step=0.1)
maxPositions = input.int(1, "Max Concurrent Positions", minval=1, maxval=10)
usePyramiding = input.bool(false, "Allow Pyramiding")

// Display Settings
showInfoTable = input.bool(true, "Show Info Table")
tablePosition = input.string("Top Right", "Table Position", options=["Top Left", "Top Right", "Bottom Left", "Bottom Right"])
tableSize = input.string("Small", "Table Size", options=["Small", "Medium", "Large"])

// ===== Trend Indicators =====
ema20 = ta.ema(close, emaFast)
ema50 = ta.ema(close, emaSlow)
atr = ta.atr(atrPeriod)

// Trend Direction
uptrend = ema20 > ema50
downtrend = ema20 < ema50

// ===== Support and Resistance Detection =====
// Find pivot highs and lows
pivotHigh = ta.pivothigh(high, srStrength, srStrength)
pivotLow = ta.pivotlow(low, srStrength, srStrength)

// Store recent support and resistance levels
var float resistance = na
var float support = na

if not na(pivotHigh)
    resistance := pivotHigh
if not na(pivotLow)
    support := pivotLow

// Dynamic S/R based on recent price action
recentHigh = ta.highest(high, lookback)
recentLow = ta.lowest(low, lookback)

// Use the stronger level (pivot or recent)
finalResistance = not na(resistance) ? math.max(resistance, recentHigh) : recentHigh
finalSupport = not na(support) ? math.min(support, recentLow) : recentLow

// ===== Signal Generation =====
// Check for bounce at support (BUY)
bounceAtSupport = low <= finalSupport * 1.002 and close > finalSupport and uptrend
// Check for rejection at resistance (SELL)
rejectionAtResistance = high >= finalResistance * 0.998 and close < finalResistance and downtrend

// Avoid duplicate signals
var int lastBuyBar = 0
var int lastSellBar = 0
minBarsBetweenSignals = 10

// Strategy position management
inLongPosition = strategy.position_size > 0
inShortPosition = strategy.position_size < 0
inPosition = inLongPosition or inShortPosition

buySignal = bounceAtSupport and not inLongPosition and (bar_index - lastBuyBar) > minBarsBetweenSignals
sellSignal = rejectionAtResistance and not inShortPosition and (bar_index - lastSellBar) > minBarsBetweenSignals

// Calculate position size
qty = useStrategyMode ? positionSize : 1.0

// ===== Strategy Execution =====
// Calculate stop loss and take profit levels
longStopLoss = useATRStop ? close - (atr * atrMultiplier) : finalSupport - (atr * 0.5)
shortStopLoss = useATRStop ? close + (atr * atrMultiplier) : finalResistance + (atr * 0.5)

// Calculate Fibonacci TP levels for LONG
longPriceRange = finalResistance - close
longTP1 = close + (longPriceRange * tp1Ratio)
longTP2 = close + (longPriceRange * tp2Ratio)
longTP3 = close + (longPriceRange * tp3Ratio)

// Calculate Fibonacci TP levels for SHORT
shortPriceRange = close - finalSupport
shortTP1 = close - (shortPriceRange * tp1Ratio)
shortTP2 = close - (shortPriceRange * tp2Ratio)
shortTP3 = close - (shortPriceRange * tp3Ratio)

// Execute LONG trades
if buySignal and useStrategyMode
    strategy.entry("LONG", strategy.long, qty=qty, comment="BUY at Support")
    strategy.exit("LONG SL", "LONG", stop=longStopLoss, comment="Stop Loss")
    strategy.exit("LONG TP1", "LONG", limit=longTP1, qty_percent=33, comment="TP1 (23.6%)")
    strategy.exit("LONG TP2", "LONG", limit=longTP2, qty_percent=33, comment="TP2 (38.2%)")
    strategy.exit("LONG TP3", "LONG", limit=longTP3, qty_percent=34, comment="TP3 (61.8%)")
    
    lastBuyBar := bar_index
    
    // Create label for visualization
    label.new(bar_index, low - atr, "BUY\nEntry: " + str.tostring(close, "#.##") + 
              "\nSL: " + str.tostring(longStopLoss, "#.##") +
              "\nTP1: " + str.tostring(longTP1, "#.##") +
              "\nTP2: " + str.tostring(longTP2, "#.##") +
              "\nTP3: " + str.tostring(longTP3, "#.##"),
              color=color.green, style=label.style_label_up, textcolor=color.white, size=size.small)

// Execute SHORT trades
if sellSignal and useStrategyMode
    strategy.entry("SHORT", strategy.short, qty=qty, comment="SELL at Resistance")
    strategy.exit("SHORT SL", "SHORT", stop=shortStopLoss, comment="Stop Loss")
    strategy.exit("SHORT TP1", "SHORT", limit=shortTP1, qty_percent=33, comment="TP1 (23.6%)")
    strategy.exit("SHORT TP2", "SHORT", limit=shortTP2, qty_percent=33, comment="TP2 (38.2%)")
    strategy.exit("SHORT TP3", "SHORT", limit=shortTP3, qty_percent=34, comment="TP3 (61.8%)")
    
    lastSellBar := bar_index
    
    // Create label for visualization
    label.new(bar_index, high + atr, "SELL\nEntry: " + str.tostring(close, "#.##") + 
              "\nSL: " + str.tostring(shortStopLoss, "#.##") +
              "\nTP1: " + str.tostring(shortTP1, "#.##") +
              "\nTP2: " + str.tostring(shortTP2, "#.##") +
              "\nTP3: " + str.tostring(shortTP3, "#.##"),
              color=color.red, style=label.style_label_down, textcolor=color.white, size=size.small)

// Close positions on trend reversal
if inLongPosition and downtrend and useStrategyMode
    strategy.close("LONG", comment="Trend Reversal")
    label.new(bar_index, high + atr, "EXIT - Trend Reversal", color=color.blue, style=label.style_label_down, textcolor=color.white, size=size.tiny)

if inShortPosition and uptrend and useStrategyMode
    strategy.close("SHORT", comment="Trend Reversal")
    label.new(bar_index, low - atr, "EXIT - Trend Reversal", color=color.blue, style=label.style_label_up, textcolor=color.white, size=size.tiny)

// ===== Plotting =====
// Plot EMAs
plot(ema20, "EMA 20", color=color.new(color.blue, 0), linewidth=2)
plot(ema50, "EMA 50", color=color.new(color.orange, 0), linewidth=2)

// Plot Support and Resistance
plot(finalResistance, "Resistance", color=color.new(color.red, 30), linewidth=2, style=plot.style_line)
plot(finalSupport, "Support", color=color.new(color.green, 30), linewidth=2, style=plot.style_line)

// Plot position levels when in trade
plot(inLongPosition ? strategy.position_avg_price : na, "Long Entry", color=color.new(color.yellow, 0), linewidth=2, style=plot.style_cross)
plot(inShortPosition ? strategy.position_avg_price : na, "Short Entry", color=color.new(color.yellow, 0), linewidth=2, style=plot.style_cross)

// Plot TP levels with different colors for LONG positions
plot(inLongPosition and showFiboLevels ? longTP1 : na, "Long TP1 (23.6%)", color=color.new(color.lime, 0), linewidth=1, style=plot.style_circles)
plot(inLongPosition and showFiboLevels ? longTP2 : na, "Long TP2 (38.2%)", color=color.new(color.green, 0), linewidth=1, style=plot.style_circles)
plot(inLongPosition and showFiboLevels ? longTP3 : na, "Long TP3 (61.8%)", color=color.new(color.teal, 0), linewidth=2, style=plot.style_circles)

// Plot TP levels with different colors for SHORT positions
plot(inShortPosition and showFiboLevels ? shortTP1 : na, "Short TP1 (23.6%)", color=color.new(color.lime, 0), linewidth=1, style=plot.style_circles)
plot(inShortPosition and showFiboLevels ? shortTP2 : na, "Short TP2 (38.2%)", color=color.new(color.green, 0), linewidth=1, style=plot.style_circles)
plot(inShortPosition and showFiboLevels ? shortTP3 : na, "Short TP3 (61.8%)", color=color.new(color.teal, 0), linewidth=2, style=plot.style_circles)

// Background color for trend
bgcolor(uptrend ? color.new(color.green, 95) : downtrend ? color.new(color.red, 95) : na)

// ===== Alerts =====
alertcondition(buySignal, "BUY Signal", "BUY Signal at Support - Price: {{close}}")
alertcondition(sellSignal, "SELL Signal", "SELL Signal at Resistance - Price: {{close}}")
alertcondition(inLongPosition and high >= longTP1, "Long TP1 Reached", "Long TP1 Target Reached")
alertcondition(inLongPosition and high >= longTP2, "Long TP2 Reached", "Long TP2 Target Reached")
alertcondition(inLongPosition and high >= longTP3, "Long TP3 Reached", "Long TP3 Target Reached")
alertcondition(inShortPosition and low <= shortTP1, "Short TP1 Reached", "Short TP1 Target Reached")
alertcondition(inShortPosition and low <= shortTP2, "Short TP2 Reached", "Short TP2 Target Reached")
alertcondition(inShortPosition and low <= shortTP3, "Short TP3 Reached", "Short TP3 Target Reached")