Parabolic SAR + EMA 200 + MACD Signals

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Pine Script

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © Saleh_Toodarvari
 
//@version=5
indicator(title="Parabolic SAR + EMA 200 + MACD Signals", shorttitle="SAR EMA MACD", overlay=true, timeframe="", timeframe_gaps=true)
// Inputs
sar_start = input(0.02)
sar_increment = input(0.02)
sar_maximum = input(0.2, "Max Value")
ema_len = input.int(200, minval=1, title="Length")
ema_src = input(close, title="Source")
ema_offset = input.int(title="Offset", defval=0, minval=-500, maxval=500)
macd_fast_length = input(title="Fast Length", defval=12)
macd_slow_length = input(title="Slow Length", defval=26)
macd_src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing",  minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type",  defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])
// Colors
col_macd = input(#2962FF, "MACD Line  ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line  ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above   Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")
// Parabolic SAR
SAR = ta.sar(sar_start, sar_increment, sar_maximum)
plot(SAR, "ParabolicSAR", style=plot.style_circles, color=#2962FF)
// EMA 200
EMA_200 = ta.ema(ema_src, ema_len)
plot(EMA_200, title="EMA", color=color.blue, offset=ema_offset)
// MACD
fast_ma = sma_source == "SMA" ? ta.sma(macd_src, macd_fast_length) : ta.ema(macd_src, macd_fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(macd_src, macd_slow_length) : ta.ema(macd_src, macd_slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
delta = macd - signal
// Conditions
main_trend=if ohlc4<EMA_200
    "Bearish"
else
    "Bullish"
 
sar_long = if SAR<low
    true
else
    false
sar_short = if SAR>high
    true
else
    false
 
macd_long = if (ta.crossover(delta, 0))
    true
else
    false
macd_short = if (ta.crossunder(delta, 0))
    true
else
    false
// Long
buy_signal= sar_long and macd_long and (main_trend=="Bullish")
// Short
sell_signal= sar_short and macd_short and (main_trend=="Bearish")
// Plots
plotshape(buy_signal, title="Buy Label", text="Buy", location=location.belowbar, style=shape.labelup, size=size.tiny, color=color.green, textcolor=color.white)
plotshape(sell_signal, title="Sell Label", text="Sell", location=location.abovebar, style=shape.labeldown, size=size.tiny, color=color.red, textcolor=color.white)

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