Options trading activity was notable today among components of the S&P 500, particularly for Pfizer Inc (PFE), which recorded a total volume of 285,976 contracts, equating to approximately 28.6 million underlying shares. This volume represents 56.3% of PFE’s average daily trading volume of 50.8 million shares over the last month. The most active contract was the $24 strike put option expiring on February 20, 2026, with 35,590 contracts traded, equivalent to about 3.6 million underlying shares.
Delta Air Lines Inc (DAL) also saw significant options trading, with 44,290 contracts traded, representing around 4.4 million underlying shares. This figure amounts to 55% of DAL’s average daily trading volume of 8.1 million shares over the past month. A standout was the $75 strike call option expiring on December 19, 2025, with 29,646 contracts traded, roughly 3.0 million underlying shares.
Additionally, Datadog Inc (DDOG) experienced a trading volume of 20,616 contracts, or about 2.1 million underlying shares, making up 48.8% of its monthly average of 4.2 million shares. The $140 strike put option expiring on January 16, 2026, saw 5,864 contracts traded, representing approximately 586,400 underlying shares.
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