RSI + MFI + FISHER2

//Alveol
//@version=3
study(title = "RSI + MFI + FISHER2", shorttitle="RSI + MFI + FISHER2", precision=0)
source = hlc3
length = input(14, minval=1),
lower = input(20, minval=0, maxval=50, type=integer),
upper = input(80, minval=50, maxval=100, type=integer)

// DrawMFI_f=input(true, title="Draw MFI?", type=bool)
HighlightBreaches=input(true, title="Highlight Oversold/Overbought?", type=bool)

//RSI
upper_rsi = input(70, minval=50, maxval=100, type=integer)
middle_rsi = input(50, minval=30, maxval=70, type=integer)
lower_rsi = input(30, minval=0, maxval=50, type=integer),
length2 = input(14, minval=1), mult = input(2.0, minval=0.001, maxval=50)
rsi_s = rsi(source, length2)
plot(rsi_s, "RSI", color=#6A1B9A, linewidth=2, transp=0)
top_rsi = hline(upper_rsi, color=color(purple,100), linewidth=1, editable=false)
bottom_rsi = hline(lower_rsi, color=color(purple,100), linewidth=1, editable=false)
fill(top_rsi, bottom_rsi, color=#7E57C2)

// MFI
upper_s = sum(volume * (change(source) <= 0 ? 0 : source), length)
lower_s = sum(volume * (change(source) >= 0 ? 0 : source), length)
mf = rsi(upper_s, lower_s)
mfp = plot(mf, "MFI-ParaAkısı", color=#82E71C, linewidth=2, transp=0)
top = hline(upper, color=#787B86, linewidth=1, editable=false)
bottom = hline(lower, color=#787B86, linewidth=1, editable=false)
hline(30, color=#000000, editable=false)
hline(70, color=#000000, editable=false)

//FISHER
length1 = input(5, minval=1), smoothK = input(3, minval=1), smoothD = input(3, minval=1)
k = ema(stoch(close, high, low, length1), smoothK)
d = ema(k, smoothD)
plot(k, color=#2962FF, linewidth=1, title="Fisher1", transp=0)
plot(d, color=#F44336, linewidth=1, title="Fisher2", transp=0)
h0 = hline(80, color=#000000, linewidth=1, title="Fisher Ust Band")
h1 = hline(20, color=#000000, linewidth=1, title="Fisher Alt Band")
fill(h0, h1, color=#FFFFFF, transp=90, title="Fisher Background")

plot(cross(d, k) ? d : na,color=black, style = circles, linewidth=2, title="Fisher Sinyal")
OutputSignal = k >= d ? 0 : 1