What it does:
We compare current with a lookback for X% delta. If there is a jump of say 20% over a defined period then that would indicate an opportunity to sell Puts, run a straddle or buy Calls. We use VVIX as a check to stop to many false positives ie VVIX falls of faster than .
You can also use this loosely as a bottom finder.
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.