Alım Algoritması (EMA + RSI + MACD + ATR + Pozisyon Takibi)

//version=5
indicator("Alım Algoritması (EMA + RSI + MACD + ATR + Pozisyon Takibi)", overlay=true)

// === INPUTS ===
ema1_len = input.int(21, title="EMA 1")
ema2_len = input.int(50, title="EMA 2")
ema3_len = input.int(100, title="EMA 3")
rsi_len = input.int(14, title="RSI Length")
atr_len = input.int(14, title="ATR Length")
macd_fast = input.int(12, title="MACD Fast")
macd_slow = input.int(26, title="MACD Slow")
macd_signal = input.int(9, title="MACD Signal")
max_distance_pct = input.float(5.0, title="Max EMA Distance %", step=0.1)

// === CALCULATIONS ===
ema1 = ta.ema(close, ema1_len)
ema2 = ta.ema(close, ema2_len)
ema3 = ta.ema(close, ema3_len)
avg_ema = (ema1 + ema2 + ema3) / 3
distance_pct = math.abs(close - avg_ema) / avg_ema * 100
ema_near = distance_pct <= max_distance_pct

basis = ta.sma(close, 20)
dev = ta.stdev(close, 20)
upper = basis + 2 * dev
lower = basis - 2 * dev
width = (upper - lower) / basis
is_range = width < 0.12 // %5'ten dar bant


rsi = ta.rsi(close, rsi_len)
rsi_trend = ta.sma(rsi, 5)
rsi_up = rsi > rsi_trend

[macdLine, signalLine, hist] = ta.macd(close, macd_fast, macd_slow, macd_signal)

ema1_cross = ta.crossover(close, ema1) or ta.crossover(close, ema2) or ta.crossover(close, ema3)
ema_recent_cross = ta.barssince(ema1_cross) < 5

// === BUY SIGNAL ===
//buy_signal = ema_near and ema_recent_cross and
// macdLine > signalLine and hist > 0 and
// rsi > 45 and rsi < 65 and rsi_up

buy_signal = not is_range and ema_near and ema_recent_cross and
macdLine > signalLine and hist > 0 and
rsi > 45 and rsi < 65 and rsi_up

//buy_signal = not is_range and ema_near and ema_recent_cross and
// macdLine > signalLine and hist > 0 and
// rsi > 45 and rsi < 65 and rsi_up

// === POSITION LOGIC ===
var bool in_position = false
var float entry_price = na
var float stop_loss = na
var float take_profit_1 = na
var float take_profit_2 = na

atr = ta.atr(atr_len)

// Koşullar
new_buy = buy_signal and not in_position

// SL ve TP seviyeleri hesaplama
new_sl = close - 1.5 * atr
new_tp1 = close + 2.0 * atr
new_tp2 = close + 3.5 * atr

// Pozisyon açma
if new_buy
in_position := true
entry_price := close
stop_loss := new_sl
take_profit_1 := new_tp1
take_profit_2 := new_tp2
label.new(bar_index, low, "BUY", style=label.style_label_up, color=color.green, textcolor=color.white)

sl_hit = in_position and low <= stop_loss
tp1_hit = in_position and high >= take_profit_1
tp2_hit = in_position and high >= take_profit_2

// Pozisyon kapama sinyali
if sl_hit
in_position := false
//label.new(bar_index, low, "SL", style=label.style_label_down, color=color.red, textcolor=color.white)

if tp2_hit
in_position := false
//label.new(bar_index, high, "TP2", style=label.style_label_down, color=color.rgb(209, 34, 222), textcolor=color.white)
else if tp1_hit
in_position := false
//label.new(bar_index, high, "TP1", style=label.style_label_down, color=color.rgb(209, 34, 222), textcolor=color.white)

// === PLOT ===
// Sadece BUY, SL ve TP seviyeleri çizilir
plot(in_position ? stop_loss : na, title="Stop Loss", color=color.red, style=plot.style_linebr)
//plot(in_position ? take_profit_1 : na, title="TP1", color=color.rgb(209, 34, 222), style=plot.style_linebr)
//plot(in_position ? take_profit_2 : na, title="TP2", color=color.rgb(209, 34, 222), style=plot.style_linebr)