Notable open interest changes for July 31st

Tuesday’s total option volume of 46.4 million contracts resulted in net open interest growth of 5.50 million calls and 4.63 million puts. NVIDIA (NVDA), Advanced Micro Devices (AMD), Pfizer (PFE) and Microsoft (MSFT) saw the greatest growth. Top five new positions opened include 81k NVIDIA (NVDA) 8/23 weekly 115 calls, 73k NVIDIA (NVDA) 8/23 weekly 125 calls, 46k Teva (TEVA) 8/2 weekly 15.5 puts, 41k NVIDIA (NVDA) 8/2 weekly 110 calls and 35k Pfizer (PFE) Sep-24 30 puts.