RicardoSantos

[RS]Support and Resistance V0

Support and Resistance using donchian channels to validate tops/bottoms
(note: while donchians follow price closely within look back window, this will only update new top/bottom when making new extremes in the donchian channel)

combo with other systems:

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.

Want to use this script on a chart?
study("[RS]Support and Resistance V0", overlay=true)
window1 = input(title='lookback window 1:', type=integer, defval=8)
window2 = input(title='lookback window 2:', type=integer, defval=21)

top1 = valuewhen(high >= highest(high, window1), high, 0)
bot1 = valuewhen(low <= lowest(low, window1), low, 0)
top2 = valuewhen(high >= highest(high, window2), high, 0)
bot2 = valuewhen(low <= lowest(low, window2), low, 0)

t1 = plot(top1, color=top1 != top1[1] ? na : black)
b1 = plot(bot1, color=bot1 != bot1[1] ? na : black)
t2 = plot(top2, color=top2 != top2[1] ? na : black)
b2 = plot(bot2, color=bot2 != bot2[1] ? na : black)

fill(t1, t2, color=orange, transp=80)
fill(b1, b2, color=olive, transp=80)