$SPY SPDR S&amp;P 500 Option Alert: Jul 17 $310 Puts at the Ask: 1000 @ $10.0 vs 33940 OI; Ref=$312.3087 [6/17/2020, 5:34:45 AM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $C $PFE $XLP $JNPR $XOM $HTZ $XLU $BUD $ITCI $UBER $CRC $MITT