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.
// // @author LazyBear // // If you use this code in its original/modified form, do drop me a note. // study(title="WaveTrend with Crosses [LazyBear]", shorttitle="WT_CROSS_LB") n1 = input(10, "Channel Length") n2 = input(21, "Average Length") obLevel1 = input(60, "Over Bought Level 1") obLevel2 = input(53, "Over Bought Level 2") osLevel1 = input(-60, "Over Sold Level 1") osLevel2 = input(-53, "Over Sold Level 2") ap = hlc3 esa = ema(ap, n1) d = ema(abs(ap - esa), n1) ci = (ap - esa) / (0.015 * d) tci = ema(ci, n2) wt1 = tci wt2 = sma(wt1,4) plot(0, color=gray) plot(obLevel1, color=red) plot(osLevel1, color=green) plot(obLevel2, color=red) plot(osLevel2, color=green) plot(wt1, color=green) plot(wt2, color=red) plot(wt1-wt2, color=blue, style=area, transp=80) plot(cross(wt1, wt2) ? wt2 : na, color = black , style = circles, linewidth = 3) plot(cross(wt1, wt2) ? wt2 : na, color = (wt2 - wt1 > 0 ? red : lime) , style = circles, linewidth = 2) barcolor(cross(wt1, wt2) ? (wt2 - wt1 > 0 ? aqua : yellow) : na)