As the below video explains, Thursday’s upswing day and then Friday’s SPX downswing day occurred while the 15-3-3 stochastic was in a downtrend and price below the 50-day simple moving average. This is a market condition that has occurred 58 times since January 2000. Our research indicates that, statistically speaking, it’s more likely than usual that Friday’s bar will end up being unfavorable for market neutral option premium selling. Two reports are included in the video: The SP 500 Condor/Butterfly Timing Report and the SP 500 Likelihood Report. Both use market research unique to DiscoverOptions.