if the cripto markets are open 24/7 does the market really have a close ?
and also lower the 20 bars to 10
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.
// cripto moves to much to use close so it use high and low study(shorttitle="BBB", title="bitcoin Bollinger Bands", overlay=true) length = input(10, minval=1) src = input(high, title="Source") mult = input(2.0, minval=0.001, maxval=50) basis = sma(src, length) dev = mult * stdev(src, length) upper = basis + dev p1 = plot(upper, color=blue) src1 = input(low, title="Source") mult1 = input(2.0, minval=0.001, maxval=50) basis1 = sma(src1, length) dev1 = mult1 * stdev(src1, length) lower1 = basis - dev p2 = plot(lower1, color=blue) fill(p1,p2)