Use this script to see the depths of corrections and also to see how long it has been since a correction.
I published this script because the last time the SNP has gone this long without a 5% correction was 1996 excluding bear markets of course.
NOTE: This script is a 2 in 1. In order to see correction depth only use the first 3 plot settings as visible.
In order to see the days since a correction use the last two plot settings.
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.