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. American Tower Corp Dec16 100 Puts Sweep: 693 @ ASK $1.85: 693 traded vs 157 OI: Earnings 2/23 Before Open (est) $104.64 RefSolarCity Corp Nov16 18.0 Puts Sweep: 740 @ ASK $0.75: 783 traded vs 1452 OI: $19.21 RefIllinois Tool Works Inc. Dec16 120 Puts: 4066 @ ASK $1.90: 5451 traded vs 319 OI: Earnings 1/25 Before Open (est) $123.26 RefZoetis Inc Fri 11/11 50.5 Puts (Wkly) Sweep: 500 @ ASK $0.40: 500 traded vs 304 OI: Earnings 2/16 Before Open (est) $50.71 RefMichael Kors Holdings Ltd Weekly $50 Put; 2500 @Bid @$1.50; Ref=$51.72