Static Levels include -
Daily/Weekly/Monthly/Yearly Open (changes color depending on if below or above price)
Previous Daily/Weekly/Monthly/Yearly Open
Previous day's High/Low
Dynamic Levels include -
100/200 Daily MA
100/200 Weekly MA
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.