Among the underlying components of the Russell 3000 index, SiriusXM Holdings Inc (SIRI) experienced significant options trading today, with 55,629 contracts exchanged, amounting to 5.6 million underlying shares. This represents approximately 88.9% of SIRI’s average daily trading volume of 6.3 million shares over the past month. Notably, the $21.50 strike call option expiring on February 27, 2026, saw high volume with 11,702 contracts traded, representing 1.2 million underlying shares.
Rocket Lab Corp (RKLB) also showed considerable options activity, with 142,297 contracts traded, equating to about 14.2 million underlying shares or 82.3% of its average daily volume of 17.3 million shares. The $40 strike put option expiring on March 6, 2026, had 7,038 contracts traded, representing approximately 703,800 underlying shares.
SELLAS Life Sciences Group Inc (SLS) reported 42,869 contracts traded today, reflecting around 4.3 million underlying shares and 77.3% of SLS’s average daily trading volume of 5.5 million shares. The $3.50 strike call option expiring on April 17, 2026, was particularly active with 16,104 contracts, translating to about 1.6 million underlying shares.
