Watch These 5 Huge Call Purchases In Friday Trade

Benzinga's newsdesk monitors options activity to notice unusual patterns. These large volume (and often out of the money) trades were initially published intraday in Benzinga Professional . These trades were placed during Thursday's regular session.

• Oracle Corporation ORCL Oct 20 $57.5 Calls at the Bid: 7343 @ $0.25 vs 1111 OI; Ref=$52.69
• Mallinckrodt PLC MNK Oct 20 $40 Calls Above Ask!: 5915 @ $0.801 vs 573 OI; Ref=$35.49
• Laredo Petroleum Inc LPI Oct 20 $13 Calls at the Bid: 1750 @ $0.25 vs 358 OI; Ref=$12.125
• Cerner Corporation CERN Oct 20 $75 Calls Sweep (29) at the Ask: 1471 @ $0.75 vs 15 OI; Ref=$72.01
• Halozyme Therapeutics, Inc. HALO Jan 19 $16 Calls at the Bid: 919 @ $1.15 vs 314 OI; Ref=$15.6