$UAL United Airlines Holdings Option Alert: Jan 15 $13 Puts at the Ask: 10000 @ $2.73 vs 505 OI; Ref=$22.705 [5/7/2020, 1:48:46 PM] [+$1Mil Sweeps Above Midpoint] Other Sweeps on: $PFE $ADVM $CVM $FTCH $LVS $CARG $AZN $HEAR $XLY $NYCB $ELAN $TIF