$HYG iShares iBoxx $ High Yield Corporate Bond ETF Option Alert: Aug 21 $78 Puts at the Ask: 10000 @ $1.281 vs 12899 OI; Ref=$82.49 [5/28/2020, 1:05:07 PM] [+$500k Sweeps Above Midpoint] Other Sweeps on: $NERV $CBRL $SIL $DIS $CMA $X $IBN $FXE $HASI $ALT $AMT $APO