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- //
- // @author LazyBear
- // List of all my indicators: https://www.tradingview.com/v/4IneGo8h/
- //
- study("DEnvelope Bandwidth [LazyBear]", shorttitle="DENVBW_LB")
- lb=input(20, title="DEnvelope lookback length")
- de=input(2, title="DEnvelope band deviation")
- alp=2/(lb+1)
- src=hlc3
- mt=alp*src+(1-alp)*nz(mt[1])
- ut=alp*mt+(1-alp)*nz(ut[1])
- dt=((2-alp)*mt-ut)/(1-alp)
- mt2=alp*abs(src-dt)+(1-alp)*nz(mt2[1])
- ut2=alp*mt2+(1-alp)*nz(ut2[1])
- dt2=((2-alp)*mt2-ut2)/(1-alp)
- but=dt+de*dt2
- blt=dt-de*dt2
- bbw = (but-blt)/dt
- plot(bbw, color=blue, linewidth=2)
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