Among the underlying components of the Russell 3000 index, Astera Labs Inc (ALAB) experienced significant options trading on [date]. A total of 33,360 contracts were traded, representing approximately 3.3 million underlying shares, which is about 88.2% of ALAB’s average daily trading volume of 3.8 million shares over the past month. Notably, 1,853 contracts for the $400 strike call option expiring on September 25, 2026, accounted for around 185,300 underlying shares.
Arbutus Biopharma Corp (ABUS) also saw considerable options activity, with 40,037 contracts traded, equating to approximately 4.0 million underlying shares or 81.5% of its monthly average of 4.9 million shares. The $10 strike put option set to expire on October 16, 2026, was particularly active, with 20,000 contracts representing approximately 2.0 million underlying shares.
Additionally, Portland General Electric Co. (POR) recorded options trading of 7,758 contracts, representing about 775,800 underlying shares, or 75.5% of its average daily volume of 1.0 million shares. Most activity was seen in the $50 strike call option expiring on October 16, 2026, with 7,696 contracts trading, reflecting approximately 769,600 underlying shares.
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