Monthly SPX for those investors

I thought we are at an interesting inflection point looking at the broad monthly for SPX, SPY. Will this crossover in MACD and Willy be long standing or a short dip on such a scale? Better than savings account, I give some annualized ROI numbers based on Willy (the small Willy cross in Sep 2018 results in a -94% AROI but only over 27 days). Not a trading idea of course, but a long term investment observation.

I don't do advice.