Among the notable options trading today in the Russell 3000 index, Talen Energy Corporation (TLN) saw significant activity with 5,244 contracts exchanged, representing approximately 524,400 underlying shares, or 78.2% of its average daily volume of 670,845 shares. The $420 strike put option expiring on August 21, 2026, recorded 619 contracts traded, totaling around 61,900 underlying shares.
Astera Labs Inc (ALAB) experienced 34,268 contracts traded, equating to about 3.4 million underlying shares, which is approximately 75.8% of its average daily volume of 4.5 million shares. The $327.50 strike call option expiring on July 31, 2026, had 4,722 contracts traded, representing roughly 472,200 underlying shares.
Dick’s Sporting Goods, Inc (DKS) reported an options trading volume of 7,809 contracts, covering approximately 780,900 underlying shares, or 73.1% of its average daily volume of 1.1 million shares. The $160 strike put option expiring on September 18, 2026, saw 7,009 contracts traded, amounting to about 700,900 underlying shares.
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