NFLX Bullish Call Buying

3,300 13October 185 calls bought for 1.70 to 4.40 against open interest of 2,213 contracts, 3,200 13October 190 calls bought for 0.60 to 2.10 against open interest of 1,792. Stock 185.39. Also mixed volume in 06October 185/187.50 calls.