Marathon Digital Holdings Inc (Symbol: MARA) experienced significant options trading activity on the Russell 3000 index today, with a total volume of 213,198 contracts, representing approximately 21.3 million underlying shares. This volume amounts to 42.1% of its average daily trading volume of 50.7 million shares for the past month. The $16 strike call option expiring on June 20, 2025 saw particularly high activity, with 24,285 contracts traded, representing around 2.4 million underlying shares.
Selective Insurance Group Inc (Symbol: SIGI) recorded options trading volume of 1,427 contracts, equivalent to approximately 142,700 underlying shares, which is about 42% of its monthly average volume of 339,885 shares. The $85 strike call option expiring on June 20, 2025 had high trading volume as well, with 712 contracts accounting for roughly 71,200 underlying shares.
Blackrock Inc (Symbol: BLK) observed a trading volume of 2,360 contracts, representing approximately 236,000 underlying shares, or around 41.8% of its average daily volume of 564,245 shares. The $960 strike put option also saw notable activity, with 756 contracts traded, representing approximately 75,600 underlying shares.
