BTC Trend Pullback

//@version=6
// BTC/USDT — EMA Trend + RSI Pullback Entry Strategy
// Author: Ugur Pala · github.com/trugurpala/pinescriptv6
// TradingView: https://tr.tradingview.com/u/trugurpala/
//
// TR: EMA trend yönünde RSI pullback ile giriş yapar.
//     BTC için optimize edilmiş — 24/7 piyasa, long only varsayılan.
// EN: Enters on RSI pullback in direction of EMA trend.
//     Optimised for BTC — 24/7 market, long only default.
//
// Önerilen TF / Recommended TF: 4H, 1D
// Sembol / Symbol: BINANCE:BTCUSDT
strategy("BTC Trend Pullback [trugurpala]",
    overlay           = true,
    initial_capital   = 10000,
    default_qty_type  = strategy.percent_of_equity,
    default_qty_value = 5,
    commission_type   = strategy.commission.percent,
    commission_value  = 0.1,
    slippage          = 3)

// ── Inputs ───────────────────────────────────────────────────────────────────
int   trendLen  = input.int(200, "Trend EMA",   minval=50)
int   fastLen   = input.int(21,  "Fast EMA",    minval=1)
int   rsiLen    = input.int(14,  "RSI",         minval=1)
float rsiEntry  = input.float(40, "RSI Pullback Level", minval=20, maxval=55)
int   atrLen    = input.int(14,  "ATR",         minval=1)
float slMult    = input.float(2.0, "SL Mult",   step=0.1)
float tpMult    = input.float(4.0, "TP Mult",   step=0.1)
bool  longOnly  = input.bool(true, "Long Only (BTC bull bias)")

// ── Calculations ─────────────────────────────────────────────────────────────
float trendEma  = ta.ema(close, trendLen)
float fastEma   = ta.ema(close, fastLen)
float rsi       = ta.rsi(close, rsiLen)
float atrVal    = ta.atr(atrLen)

// Trend: fiyat trend EMA üzerinde
bool  upTrend   = close > trendEma and fastEma > trendEma
bool  downTrend = close < trendEma and fastEma < trendEma

// Giriş: RSI pullback sonrası toparlanma
bool  longEntry  = upTrend and ta.crossover(rsi, rsiEntry)
bool  shortEntry = downTrend and ta.crossunder(rsi, 100 - rsiEntry) and not longOnly

// ── Entries ──────────────────────────────────────────────────────────────────
if longEntry
    strategy.entry("Long", strategy.long)
    strategy.exit("Long Exit", "Long",
        stop  = close - slMult * atrVal,
        limit = close + tpMult * atrVal)

if shortEntry
    strategy.entry("Short", strategy.short)
    strategy.exit("Short Exit", "Short",
        stop  = close + slMult * atrVal,
        limit = close - tpMult * atrVal)

// ── Visuals ──────────────────────────────────────────────────────────────────
plot(trendEma, "Trend EMA", color.new(color.gray,  30), linewidth=2)
plot(fastEma,  "Fast EMA",  color.new(color.orange, 20), linewidth=1)
bgcolor(upTrend   ? color.new(color.green, 96) : na)
bgcolor(downTrend ? color.new(color.red,   96) : na)
plotshape(longEntry,  "Long",  shape.triangleup,   location.belowbar, color.green, size=size.small)
plotshape(shortEntry, "Short", shape.triangledown, location.abovebar, color.red,   size=size.small)

// ── Alerts (alert() — strategy içinde çalışır) ───────────────────────────────
if longEntry
    alert("BTC Long Entry — " + str.tostring(close, "#.##"), alert.freq_once_per_bar)
if shortEntry
    alert("BTC Short Entry — " + str.tostring(close, "#.##"), alert.freq_once_per_bar)