EMA50 for Gold strategy TF 15M

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This is a strategy for Gold in TF 15M using EMA50 of HT

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Pine Script Source

//@version=6
strategy("HT EMA50 Bias + Entry: Price x EMA50(45m) + Exit: EMA50(15m) [Session+NewsSafe]",
     overlay=true,
     initial_capital=10000,
     calc_on_every_tick=false,
     process_orders_on_close=true)

// ─────────────────────────────────────────────────────────────────────────────
// Inputs
// ─────────────────────────────────────────────────────────────────────────────
emaLen      = input.int(50, "EMA Length", minval=1)

// Timeframes
htfBiasTF   = input.timeframe("60", "HTF for EMA50 Bias (e.g., 60=1H, 240=4H)")
entryRefTF  = input.timeframe("45", "Entry reference TF (EMA50 on 45m)")
exitTF      = input.timeframe("15", "Exit TF (EMA50 on 15m)")

// Trade control
onePosOnly  = input.bool(true, "One position at a time")

// Session filter (exchange time of the symbol)
useSession  = input.bool(true, "Use session filter")
tradeSess   = input.session("0700-2200", "Trading session (exchange time)")

// News-safe mode (manual lockout window)
newsSafeOn  = input.bool(false, "🟡 News-safe mode (block entries)")
newsSess    = input.session("0000-0000", "News lockout session (set your red-news window)")

// ─────────────────────────────────────────────────────────────────────────────
// Helpers: session + news filters
// ─────────────────────────────────────────────────────────────────────────────
inSession = not useSession or not na(time(timeframe.period, tradeSess))
inNews    = newsSafeOn and not na(time(timeframe.period, newsSess))

allowEntries = inSession and not inNews

// ─────────────────────────────────────────────────────────────────────────────
// HTF Bias: Close vs EMA50 on HTF
// ─────────────────────────────────────────────────────────────────────────────
htfClose = request.security(syminfo.tickerid, htfBiasTF, close, barmerge.gaps_off, barmerge.lookahead_off)
htfEma50 = request.security(syminfo.tickerid, htfBiasTF, ta.ema(close, emaLen), barmerge.gaps_off, barmerge.lookahead_off)

biasBull = htfClose > htfEma50
biasBear = htfClose < htfEma50

// ─────────────────────────────────────────────────────────────────────────────
// Entry Reference: EMA50 calculated on 45m (used on LTF chart)
// ─────────────────────────────────────────────────────────────────────────────
ema50_45 = request.security(syminfo.tickerid, entryRefTF, ta.ema(close, emaLen), barmerge.gaps_off, barmerge.lookahead_off)
plot(ema50_45, "EMA50 (45m reference)", linewidth=2)

// ─────────────────────────────────────────────────────────────────────────────
// Exit: EMA50 calculated on 15m
// ─────────────────────────────────────────────────────────────────────────────
ema50_15 = request.security(syminfo.tickerid, exitTF, ta.ema(close, emaLen), barmerge.gaps_off, barmerge.lookahead_off)
plot(ema50_15, "EMA50 (15m exit)", linewidth=2)

// ─────────────────────────────────────────────────────────────────────────────
// Entries (on your chart timeframe)
// Long: HT bias bullish AND price crosses ABOVE 45m EMA50
// Short: HT bias bearish AND price crosses BELOW 45m EMA50
// ─────────────────────────────────────────────────────────────────────────────
longEntry  = allowEntries and biasBull and ta.crossover(close, ema50_45)
shortEntry = allowEntries and biasBear and ta.crossunder(close, ema50_45)

canEnter = not onePosOnly or strategy.position_size == 0

if canEnter and longEntry
    strategy.entry("Long", strategy.long)

if canEnter and shortEntry
    strategy.entry("Short", strategy.short)

// ─────────────────────────────────────────────────────────────────────────────
// Exits (based on 15m EMA50)
// Long exits when close crosses BELOW 15m EMA50
// Short exits when close crosses ABOVE 15m EMA50
// ─────────────────────────────────────────────────────────────────────────────
longExit  = ta.crossunder(close, ema50_15)
shortExit = ta.crossover(close, ema50_15)

if strategy.position_size > 0 and longExit
    strategy.close("Long", comment="Exit: Close < EMA50(15m)")

if strategy.position_size < 0 and shortExit
    strategy.close("Short", comment="Exit: Close > EMA50(15m)")

// ─────────────────────────────────────────────────────────────────────────────
// Alerts
// ─────────────────────────────────────────────────────────────────────────────
alertcondition(longEntry,  title="BUY: HT bias + Close x EMA50(45m)",
     message="BUY: HT EMA50 bias bullish + price crossed ABOVE EMA50(45m).")
alertcondition(shortEntry, title="SELL: HT bias + Close x EMA50(45m)",
     message="SELL: HT EMA50 bias bearish + price crossed BELOW EMA50(45m).")
alertcondition(longExit,   title="EXIT LONG: Close x EMA50(15m)",
     message="EXIT LONG: price crossed BELOW EMA50(15m).")
alertcondition(shortExit,  title="EXIT SHORT: Close x EMA50(15m)",
     message="EXIT SHORT: price crossed ABOVE EMA50(15m).")