SPY SPDR negative correlation to S&P 500 last 4 days, why ?

  1. 10 Posts.
    lightbulb Created with Sketch. 4
    Can you give me your thoughts on the negative correlation between the SPY SPDR and actual S&P 500 which has been ongoing for the last 4 days?
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.