nice work, right- being late to the party makes things hard, but so does being early. This set of circumstances is unique in our history, I am confused to say the least on SPX, energy makes sense as you say.
long ago I read an academic study on SPX, they did a correlation function approach and found market memory to be about 20 minutes. I have no opinion, just an interesting anecdote
The key is being able to tell the difference between 'curve fitting' and legitimate (ie useful) statistics. There's a lot of garbage out there...
%% QQQ is up so little \ have to wait till close today + FRI to see for sure. Good/ on copper call, actually FCX is silver + gold , molyb....also. NOT a stock tip