Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Synchronoss Technologies Inc (SNCR), where a total of 15,459 contracts have traded so far, representing approximately 1.5 million underlying shares. That amounts to about 428.6% of SNCR's average daily trading volume over the past month of 360,680 shares. Particularly high volume was seen for the $5 strike put option expiring April 16, 2021, with 7,724 contracts trading so far today, representing approximately 772,400 underlying shares of SNCR. Below is a chart showing SNCR's trailing twelve month trading history, with the $5 strike highlighted in orange:

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

Digimarc Corp (DMRC) saw options trading volume of 4,711 contracts, representing approximately 471,100 underlying shares or approximately 376.6% of DMRC's average daily trading volume over the past month, of 125,105 shares. Particularly high volume was seen for the $25 strike put option expiring September 17, 2021, with 1,573 contracts trading so far today, representing approximately 157,300 underlying shares of DMRC. Below is a chart showing DMRC's trailing twelve month trading history, with the $25 strike highlighted in orange:

And NovoCure Ltd (NVCR) saw options trading volume of 22,099 contracts, representing approximately 2.2 million underlying shares or approximately 352.2% of NVCR's average daily trading volume over the past month, of 627,455 shares. Particularly high volume was seen for the $125 strike put option expiring May 21, 2021, with 2,873 contracts trading so far today, representing approximately 287,300 underlying shares of NVCR. Below is a chart showing NVCR's trailing twelve month trading history, with the $125 strike highlighted in orange: