Markets

Notable Thursday Option Activity: REGN, BIIB, GRMN

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Regeneron Pharmaceuticals, Inc. (Symbol: REGN), where a total volume of 4,045 contracts has been traded thus far today, a contract volume which is representative of approximately 404,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 54.2% of REGN's average daily trading volume over the past month, of 746,480 shares. Especially high volume was seen for the $370 strike put option expiring June 21, 2019, with 550 contracts trading so far today, representing approximately 55,000 underlying shares of REGN. Below is a chart showing REGN's trailing twelve month trading history, with the $370 strike highlighted in orange:

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Biogen Inc (Symbol: BIIB) saw options trading volume of 8,090 contracts, representing approximately 809,000 underlying shares or approximately 54% of BIIB's average daily trading volume over the past month, of 1.5 million shares. Particularly high volume was seen for the $340 strike put option expiring January 17, 2020, with 900 contracts trading so far today, representing approximately 90,000 underlying shares of BIIB. Below is a chart showing BIIB's trailing twelve month trading history, with the $340 strike highlighted in orange:

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And Garmin Ltd (Symbol: GRMN) options are showing a volume of 5,010 contracts thus far today. That number of contracts represents approximately 501,000 underlying shares, working out to a sizeable 49.9% of GRMN's average daily trading volume over the past month, of 1.0 million shares. Particularly high volume was seen for the $70 strike call option expiring July 19, 2019, with 1,402 contracts trading so far today, representing approximately 140,200 underlying shares of GRMN. Below is a chart showing GRMN's trailing twelve month trading history, with the $70 strike highlighted in orange:

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For the various different available expirations for REGN options, BIIB options, or GRMN options, visit StockOptionsChannel.com.

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The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

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