Watch These 3 Huge Put Purchases In Monday 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 Friday’s regular session.

• GrubHub Inc GRUB Sep16 32.5 Puts: 1047 @ ASK $3.90: 1047 traded vs 15 OI: Earnings 7/26 $31.61 Ref
• BHP Billiton Limited (ADR) BHP Sep16 27.0 Puts: 2572 @ ASK $1.55: 6510 traded vs 118 OI: Earnings 8/16 Before Open $29.15 Ref
• Examworks Group, Inc. EXAM Aug16 30.0 Puts: 1080 @ ASK $0.15: 6780 traded vs 8 OI: Earnings 7/26 $34.96 Ref