On October 2, 2026, Rivian Automotive Inc (RIVN) saw significant options trading, with a total volume of 107,237 contracts, equating to approximately 10.7 million underlying shares. This volume represents 51.6% of RIVN’s average daily trading volume of 20.8 million shares over the past month. The most notable transaction was for the $15 strike call option, where 16,416 contracts traded, corresponding to about 1.6 million underlying shares.
Corcept Therapeutics Inc (CORT) also demonstrated high trading activity, with 8,945 contracts exchanged today, representing around 894,500 underlying shares, which is 51.3% of its average daily volume of 1.7 million shares. Specifically, the $95 strike put option expiring January 15, 2027, witnessed the highest volume with 4,223 contracts traded, representing approximately 422,300 shares.
Applied Optoelectronics Inc (AAOI) reported an options trading volume of 33,042 contracts, translating to about 3.3 million underlying shares and 49.1% of its average daily volume of 6.7 million shares. The standout option was the $110 strike call expiring on October 2, 2026, with 3,938 contracts, corresponding to around 393,800 underlying shares.
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