Noteworthy Monday Option Activity: GPMT, EB, QTRX

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Granite Point Mortgage Trust Inc (NYSE:GPMT), where a total volume of 2,086 contracts has been traded thus far today, a contract volume which is representative of approximately 208,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 79.2% of GPMT's average daily trading volume over the past month, of 263,330 shares. Particularly high volume was seen for the $7.50 strike put option expiring December 16, 2022, with 2,013 contracts trading so far today, representing approximately 201,300 underlying shares of GPMT. Below is a chart showing GPMT's trailing twelve month trading history, with the $7.50 strike highlighted in orange:

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

Eventbrite Inc (NYSE:EB) options are showing a volume of 5,351 contracts thus far today. That number of contracts represents approximately 535,100 underlying shares, working out to a sizeable 78.4% of EB's average daily trading volume over the past month, of 682,525 shares. Especially high volume was seen for the $20 strike call option expiring October 15, 2021, with 2,848 contracts trading so far today, representing approximately 284,800 underlying shares of EB. Below is a chart showing EB's trailing twelve month trading history, with the $20 strike highlighted in orange:

And Quanterix Corp (NASDAQ:QTRX) saw options trading volume of 1,779 contracts, representing approximately 177,900 underlying shares or approximately 78.3% of QTRX's average daily trading volume over the past month, of 227,145 shares. Particularly high volume was seen for the $55 strike call option expiring October 15, 2021, with 509 contracts trading so far today, representing approximately 50,900 underlying shares of QTRX. Below is a chart showing QTRX's trailing twelve month trading history, with the $55 strike highlighted in orange:

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