On October 17, 2023, notable options trading activity was observed in several Russell 3000 index components. Cisco Systems Inc (CSCO) recorded a trading volume of 148,281 contracts, equating to approximately 14.8 million underlying shares, or 71.8% of its average daily volume of 20.7 million shares. A significant focus was on the $66 strike put option expiring on August 15, 2025, with 13,877 contracts traded.
Soleno Therapeutics Inc (SLNO) also saw substantial activity, with 8,413 contracts traded, representing about 841,300 underlying shares and constituting 70.2% of its average daily volume of 1.2 million shares. High volume was noted for the $50 strike put option expiring January 16, 2026, with 2,002 contracts traded.
In addition, MongoDB Inc (MDB) experienced 16,634 contracts traded, approximately 1.7 million underlying shares, making up 69.3% of its average daily volume of 2.4 million shares. The $202.50 strike put option, expiring August 22, 2025, saw 1,361 contracts traded.
