EMA Crossover Strategy in Pine Script v6: Full Code with RSI Filter, Stop Loss & Alerts

//@version=6
strategy(
  title             = "EMA Crossover + RSI Filter",
  overlay           = true,
  initial_capital   = 10000,
  default_qty_type  = strategy.percent_of_equity,
  default_qty_value = 10,
  commission_type   = strategy.commission.percent,
  commission_value  = 0.05,
  slippage          = 2
)

// ── Inputs ───────────────────────────────────────────────────────────────────
fastLen   = input.int(9,   "Fast EMA Length",  minval = 1)
slowLen   = input.int(21,  "Slow EMA Length",  minval = 1)
rsiLen    = input.int(14,  "RSI Length",       minval = 1)
rsiOB     = input.int(70,  "RSI Overbought",   minval = 50, maxval = 100)
rsiOS     = input.int(30,  "RSI Oversold",     minval = 0,  maxval = 50)
atrLen    = input.int(14,  "ATR Length",       minval = 1)
atrMult   = input.float(1.5, "ATR Stop Multiplier", step = 0.1, minval = 0.5)
rrRatio   = input.float(2.0, "Risk:Reward Ratio",   step = 0.1, minval = 0.5)

// ── Indicators ───────────────────────────────────────────────────────────────
fastEma = ta.ema(close, fastLen)
slowEma = ta.ema(close, slowLen)
rsiVal  = ta.rsi(close, rsiLen)
atrVal  = ta.atr(atrLen)

// ── Plots ────────────────────────────────────────────────────────────────────
plot(fastEma, "Fast EMA", color = color.new(color.blue,  0), linewidth = 1)
plot(slowEma, "Slow EMA", color = color.new(color.orange, 0), linewidth = 2)

// ── Entry Conditions ─────────────────────────────────────────────────────────
longCond  = ta.crossover(fastEma, slowEma)  and rsiVal < rsiOB
shortCond = ta.crossunder(fastEma, slowEma) and rsiVal > rsiOS

// ── Entries ──────────────────────────────────────────────────────────────────
if longCond
    strategy.entry("Long", strategy.long)

if shortCond
    strategy.entry("Short", strategy.short)

// ── Exits: ATR Stop + R:R Take Profit ────────────────────────────────────────
longStop  = strategy.position_avg_price - atrVal * atrMult
longTP    = strategy.position_avg_price + atrVal * atrMult * rrRatio

shortStop = strategy.position_avg_price + atrVal * atrMult
shortTP   = strategy.position_avg_price - atrVal * atrMult * rrRatio

strategy.exit("Long Exit",  "Long",  stop = longStop,  limit = longTP)
strategy.exit("Short Exit", "Short", stop = shortStop, limit = shortTP)

// ── Alerts ───────────────────────────────────────────────────────────────────
alertcondition(longCond,  "Long Signal",  "EMA Crossover Long — {{ticker}} {{interval}}")
alertcondition(shortCond, "Short Signal", "EMA Crossover Short — {{ticker}} {{interval}}")