// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © calibrated89

//___________________________________________________________________________________________________________
//          When to enter a position?
//  Bar turned Green    ->      CVD MA turned bullish   ->    LONG    ->    exit when CVD turns bearish
//  Bar turned Red    ->      SHORT     ->      exit when CVD MA turned bullish
//___________________________________________________________________________________________________________

//@version=5
indicator("~CVD EMAs")



// This source code is adapted from "Cummulative Volume Delta" by footlz
lookback = input(72, title="CVD lookback [colored candles]")

v =  volume
o = open
c = close
vbuy = 0.0
vsell = 0.0

if c > o
    vbuy := v * math.abs(o / c - 1)
if c < o
    vsell := v * math.abs(o / c - 1)

delta = ta.cum(vbuy - vsell)



//_________________ colors
c11 = color.rgb(248,248,255), c01 = color.rgb(132,132,130)
c12 = color.rgb( 7, 236, 247 ), c02 = color.rgb(153,50,204)
c13 = color.rgb(105, 247, 7), c03 = color.rgb(220,20,60)



//_____________________________________________________________________ Tested plots. GOOD results !!!
ema_ltf_3 = ta.ema(delta, 12)
barcolor( color = delta > ema_ltf_3 ? c11 : color.rgb(255,0,144) )    // Tested. GOOD result!!!

ema_ltf_2 = ta.ema( delta, 18)
plot( ema_ltf_2, color = delta > ema_ltf_2 ? #ffffff : color.rgb(169,169,169, 60), style=plot.style_stepline)


ema_ltf = ta.ema( delta, 24)
plot( ema_ltf, color = delta > ema_ltf ? color.rgb(152,251,152) : color.rgb(164,0,0), style=plot.style_circles)


//_____________________________________________________________________________________________________

ema = ta.ema( delta, 36)
ema_rma = ta.rma(ema, 2)
//plot(ema, color = ema > ema_rma ? c13 : c03)

//_______ ALMA for extra confluence ___________________________________________________________________
alma_ltf_2 = ta.alma(delta, 40, 0.90, 6)
bgcolor( delta > alma_ltf_2 ? color.rgb(0,116,116, 75) : color.rgb(101,0,11,65) )