RIFT.txt

//@version=5
indicator(title="RSI Fisher Transform", shorttitle="RIFT", format=format.price, precision=2, timeframe="", timeframe_gaps=true)

len = input.int(9, minval=1, title="Length", group="Settings")
advMode = input.bool(false, title="Advanced Mode", group="Settings")

up = ta.rma(math.max(ta.change(close), 0), 14)
down = ta.rma(-math.min(ta.change(close), 0), 14)
rsi = down == 0 ? 100 : up == 0 ? 0 : 100 - (100 / (1 + up / down))
rsiMA = ta.ema(rsi, 14)

high_ = ta.highest(hl2, len)
low_ = ta.lowest(hl2, len)
round_(val) => val > .99 ? .999 : val < -.99 ? -.999 : val
value = 0.0
value := round_(.66 * ((hl2 - low_) / (high_ - low_) - .5) + .67 * nz(value[1]))
fish1 = 0.0
fish1 := .5 * math.log((1 + value) / (1 - value)) + .5 * nz(fish1[1])
fish2 = fish1[1]

hline(1.5, "1.5", color=#b33660)
hline(0, "0", color=#aba6a8)
hline(-1.5, "-1.5", color=#a82c55)

plot(fish1, color=#269950, title="Fisher", linewidth=3)
plot(advMode ? na : fish2, color=#a82b2b, title="Trigger", linewidth=3)

plot((rsi / 10) - 4.9, "RSI", color=#7E57C2, linewidth=3)
plot(advMode ? na : (rsiMA / 10) - 4.9, "EMA", color=color.rgb(119, 145, 190))