//@version=5
////////////////////////////////////////////////////////////
//  Copyright by HPotter v1.0 10/04/2017
// This simple indicator gives you a lot of useful information - when to enter, when to exit
// and how to reduce risks by entering a trade on a double confirmed signal.
// You can use in the xPrice any series: Open, High, Low, Close, HL2, HLC3, OHLC4 and ect...
//
// Added Alerts when signal changes.
////////////////////////////////////////////////////////////
indicator(title='FX Sniper:  T3-CCI Strategy', shorttitle='T3-CCI')
CCI_Period = input.int(14, minval=1)
T3_Period = input.int(5, minval=1)
b = input(0.618)
hline(0, color=color.purple, linestyle=hline.style_solid)
hline(200, color=#FC8A8A, linestyle=hline.style_solid)
hline(-200, color=#008000, linestyle=hline.style_solid)
e1 = 0.0
e2 = 0.0
e3 = 0.0
e4 = 0.0
e5 = 0.0
e6 = 0.0
pos = 0.0

xPrice = close
b2 = b * b
b3 = b2 * b
c1 = -b3
c2 = 3 * (b2 + b3)
c3 = -3 * (2 * b2 + b + b3)
c4 = 1 + 3 * b + b3 + 3 * b2
nn = T3_Period < 1 ? 1 : T3_Period
nr = 1 + 0.5 * (nn - 1)
w1 = 2 / (nr + 1)
w2 = 1 - w1
xcci = ta.cci(xPrice, CCI_Period)
e1 := w1 * xcci + w2 * nz(e1[1])
e2 := w1 * e1 + w2 * nz(e2[1])
e3 := w1 * e2 + w2 * nz(e3[1])
e4 := w1 * e3 + w2 * nz(e4[1])
e5 := w1 * e4 + w2 * nz(e5[1])
e6 := w1 * e5 + w2 * nz(e6[1])
xccir = c1 * e6 + c2 * e5 + c3 * e4 + c4 * e3
iff_1 = xccir < 0 ? color.red : color.black
cciHcolor = xccir >= 0 ? color.green : iff_1
iff_2 = xccir < 0 ? -1 : nz(pos[1], 0)
pos := xccir > 0 ? 1 : iff_2
barcolor(pos == -1 ? color.red : pos == 1 ? color.green : color.blue)
alertcondition(pos != pos[1] and pos == 1, title='Buy Signal', message='Buy')
alertcondition(pos != pos[1] and pos == -1, title='Sell Signal', message='Sell')
barcolor(pos == -1 ? color.red : pos == 1 ? color.green : color.blue)
plot(xccir, color=color.new(color.blue, 0), title='T3-CCI')
plot(xccir, color=cciHcolor, title='CCIH', style=plot.style_histogram)