SPX MACD larger trend since 2020

This major support line on the SPX MACD runs from the 3/23/20 low up to now, rising and capping down trends - if it should break to the downside I would expect fireworks. Note also I drew the smaller down trending support line, if the major trend line is broken I would be looking for contact with this line and what happens after. I listed in the chart both the MACD lows and corresponding price lows for the major support line.

Correction - the major trend line hit was 10/13/22, same as the price low. 9/30 was the minor trend hit.