Among the Russell 3000 index components, StepStone Group Inc (STEP) reported extensive options trading on [date], with 5,222 contracts traded, equating to about 522,200 underlying shares—63% of the stock’s average daily volume of 829,400 shares. Notably, the $75 strike call option expiring September 18, 2026, saw 5,002 contracts traded.
Oklo Inc (OKLO) also experienced significant options volume, totaling 83,612 contracts, or 8.4 million underlying shares, which represents 60.9% of its average daily volume of 13.7 million shares. The $45 strike put option expiring February 13, 2026, accounted for 6,902 contracts.
Additionally, Marathon Digital Holdings Inc (MARA) marked an impressive options trading volume of 271,653 contracts, representing approximately 27.2 million underlying shares—60% of its average daily volume of 45.3 million shares. The $8 strike call option expiring February 13, 2026, was particularly active, with 22,753 contracts traded.







