It actually is somewhat common for the first day after the Upside Warning fires that we get a pullback. It makes sense; it requires three straight days of low volatility to fire it, so a fourth day of some pullback seems in order. The UpW almost always works, but getting the timing right can be tough.
Sold to close $SPX Aug 16th 4435/4415 put spreads for 2.50. Looking for a bounce to close call side.
Sold to close $SPX Aug 18th 4450/4430 put spreads for 7.80. Still have time for the call side.