Study Macd

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © Maurizio-Ciullo

//@version=5
indicator("Study Macd", overlay=false)

i_price_src     = input.source(title="Price Source", defval=close, group="g_macd")
i_fast_length   = input.int(title="Fast Length", defval=12, group="g_macd")
i_slow_length   = input.int(title="Slow Length", defval=26, group="g_macd")
i_signal_length = input.int(title="Signal Smoothing", minval=1, maxval=50, defval=9, group="g_macd")



// Calculate MACD
[macdLine, signalLine, histLine] = ta.macd(i_price_src, i_fast_length, i_slow_length, i_signal_length)

plot(macdLine, color=#2962FF)
plot(signalLine, color=#FF6D00)
plot(histLine, title="Histogram", style=plot.style_columns, color=(histLine>=0 ? (histLine[1] < histLine ? #26A69A : #B2DFDB) : (histLine[1] < histLine ? #FFCDD2 : #FF5252)))