Notable Friday Option Activity: FLGT, CSGP, AYX

By The Online Investor Staff, Friday, March 5, 3:28 PM ET

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Fulgent Genetics Inc (NASDAQ:FLGT), where a total volume of 9,650 contracts has been traded thus far today, a contract volume which is representative of approximately 965,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 53.8% of FLGT's average daily trading volume over the past month, of 1.8 million shares. Especially high volume was seen for the $95 strike call option expiring March 19, 2021, with 696 contracts trading so far today, representing approximately 69,600 underlying shares of FLGT. Below is a chart showing FLGT's trailing twelve month trading history, with the $95 strike highlighted in orange:

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

CoStar Group, Inc. (NASDAQ:CSGP) saw options trading volume of 2,409 contracts, representing approximately 240,900 underlying shares or approximately 52.5% of CSGP's average daily trading volume over the past month, of 458,875 shares. Particularly high volume was seen for the $840 strike call option expiring March 19, 2021, with 424 contracts trading so far today, representing approximately 42,400 underlying shares of CSGP. Below is a chart showing CSGP's trailing twelve month trading history, with the $840 strike highlighted in orange:

And Alteryx Inc (NYSE:AYX) options are showing a volume of 11,626 contracts thus far today. That number of contracts represents approximately 1.2 million underlying shares, working out to a sizeable 52.2% of AYX's average daily trading volume over the past month, of 2.2 million shares. Especially high volume was seen for the $60 strike put option expiring May 21, 2021, with 814 contracts trading so far today, representing approximately 81,400 underlying shares of AYX. Below is a chart showing AYX's trailing twelve month trading history, with the $60 strike highlighted in orange:

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