Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Scorpio Tankers Inc (STNG), where a total of 10,063 contracts have traded so far, representing approximately 1.0 million underlying shares. That amounts to about 126.7% of STNG's average daily trading volume over the past month of 794,145 shares. Especially high volume was seen for the $13 strike put option expiring January 21, 2022, with 4,526 contracts trading so far today, representing approximately 452,600 underlying shares of STNG. Below is a chart showing STNG's trailing twelve month trading history, with the $13 strike highlighted in orange:

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Today's Most Active Call & Put Options of the S&P 500 »

Box Inc (BOX) saw options trading volume of 19,187 contracts, representing approximately 1.9 million underlying shares or approximately 122.6% of BOX's average daily trading volume over the past month, of 1.6 million shares. Particularly high volume was seen for the $26 strike call option expiring December 17, 2021, with 2,586 contracts trading so far today, representing approximately 258,600 underlying shares of BOX. Below is a chart showing BOX's trailing twelve month trading history, with the $26 strike highlighted in orange:

And KemPharm Inc (KMPH) options are showing a volume of 4,496 contracts thus far today. That number of contracts represents approximately 449,600 underlying shares, working out to a sizeable 104.4% of KMPH's average daily trading volume over the past month, of 430,745 shares. Especially high volume was seen for the $5 strike put option expiring December 17, 2021, with 1,770 contracts trading so far today, representing approximately 177,000 underlying shares of KMPH. Below is a chart showing KMPH's trailing twelve month trading history, with the $5 strike highlighted in orange: