Ambac Financial Group, Inc. (AMBC) experienced notable options trading, with a total volume of 5,787 contracts today, indicating approximately 578,700 underlying shares, or 60.9% of its average daily trading volume of 950,790 shares over the past month. High volume was particularly observed in the $8 strike call option expiring on November 21, 2025, with 1,030 contracts traded, equating to around 103,000 underlying shares.
Vornado Realty Trust (VNO) saw 12,170 contracts traded, representing about 1.2 million underlying shares, or 59.7% of its average daily trading volume of 2.0 million shares. The $40 strike call option expiring on July 18, 2025 was particularly active, with 12,127 contracts trading, corresponding to 1.2 million underlying shares.
3M Co (MMM) recorded an options volume of 18,416 contracts, translating to approximately 1.8 million underlying shares, or 59.1% of its average daily volume of 3.1 million shares. The highest activity was for the $180 strike call option expiring on July 18, 2025, with 2,820 contracts traded, representing about 282,000 underlying shares.
