Trading activity on August 21, 2026, has shown significant options volume among three companies in the Russell 3000 index. Douglas Dynamics, Inc. (PLOW) saw 1,965 contracts traded, equivalent to approximately 196,500 underlying shares, which accounts for 67.7% of its average daily volume (290,210 shares). Notably, 1,174 contracts were traded for the $45 strike call option.
Antero Resources Corp (AR) has reported a total options volume of 32,831 contracts, representing approximately 3.3 million underlying shares, or 67.4% of its average daily trading volume (4.9 million shares). The $30 strike put option stood out with 28,911 contracts traded today.
Tempus AI Inc (TEM) had 36,912 contracts traded, amounting to roughly 3.7 million underlying shares, which is 65.8% of its average daily volume (5.6 million shares). The $90 strike call option generated particularly high interest, with 2,812 contracts traded.
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