Ideal use is option swings, using traditional rules, targets are adjusted to the current ATR.
Appropriate strikes closest to one of these lines for assisted price targeting.
ToDo; Dark Preset
Added undisplayed calculations for later update.
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.