Bearish flow noted in Halliburton with 11,798 puts trading, or 5x expected. Most active are Nov-24 25 puts and 10/4 weekly 29 calls, with total volume in those strikes near 10,900 contracts. The Put/Call Ratio is 4.43, while ATM IV is up over 3 points on the day. Earnings are expected on November 7th.