Notable Friday Option Activity: SPLK, CWH, BIIB

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Splunk Inc (NASDAQ:SPLK), where a total of 9,728 contracts have traded so far, representing approximately 972,800 underlying shares. That amounts to about 48.1% of SPLK's average daily trading volume over the past month of 2.0 million shares. Especially high volume was seen for the $143 strike call option expiring July 23, 2021, with 1,505 contracts trading so far today, representing approximately 150,500 underlying shares of SPLK. Below is a chart showing SPLK's trailing twelve month trading history, with the $143 strike highlighted in orange:

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

Camping World Holdings Inc (NYSE:CWH) saw options trading volume of 4,322 contracts, representing approximately 432,200 underlying shares or approximately 47.6% of CWH's average daily trading volume over the past month, of 908,065 shares. Particularly high volume was seen for the $31.09 strike put option expiring January 21, 2022, with 1,207 contracts trading so far today, representing approximately 120,700 underlying shares of CWH. Below is a chart showing CWH's trailing twelve month trading history, with the $31.09 strike highlighted in orange:

And Biogen Inc (NASDAQ:BIIB) saw options trading volume of 7,868 contracts, representing approximately 786,800 underlying shares or approximately 46.8% of BIIB's average daily trading volume over the past month, of 1.7 million shares. Especially high volume was seen for the $327.50 strike call option expiring July 23, 2021, with 424 contracts trading so far today, representing approximately 42,400 underlying shares of BIIB. Below is a chart showing BIIB's trailing twelve month trading history, with the $327.50 strike highlighted in orange:

For the various different available expirations for SPLK options, CWH options, or BIIB options, visit StockOptionsChannel.com.