doji_gaps_v0.0.1.txt

// Created by @pequet (https://www.tradingview.com/u/pequet) July 4 2018 
// https://github.com/pequet/
// @version=3

// Reference: https://www.tradingview.com/x/j7TADzBK/

study("Doji Gaps v0.0.1", shorttitle="Doji Gaps", precision=8, overlay=true, scale=scale.right)

rrInput = input(2.0, title="Risk/Reward")

// doji
IsDoji(n) =>
    (high[n] - low[n]) / abs(open[n] - close[n]) > 50

// gap
IsGap(n) =>
    max(open[n+1], close[n+1]) < min(open[n], close[n]) ? 1 : min(open[n+1], close[n+1]) > max(open[n], close[n]) ? -1 : 0

dojiGapCond = IsDoji(1) ? IsGap(0) : 0
confirmedCond = dojiGapCond[1] == 1 and close > close[1] ? 1 : dojiGapCond[1] == -1 and close < close[1] ? -1 : 0

// if confirmed enter there and risk to bottom of doji

entry = confirmedCond==1 ? high[1] : confirmedCond==-1 ? low[1] : na
stop = confirmedCond==1 ? low[2] : confirmedCond==-1 ? high[2] : na
target = confirmedCond!= 0 ? entry + rrInput * (entry - stop) : na

bgcolor(dojiGapCond==1 ? green : dojiGapCond==-1 ? red : na, transp=50)

plotchar(entry, color=green, location=location.absolute, char="⟵", transp=0, style=circles, offset=0)
plotchar(stop, color=red, location=location.absolute, char="⟵", transp=0, style=circles, offset=0)
plotchar(target, color=green, location=location.absolute, char="⟵", transp=0, style=circles, offset=0)

alertcondition(confirmedCond!= 0, title='Doji gap', message='Doji gap!')

// -