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Notable Thursday Option Activity: BLK, ZGNX, LUV Stock Options Channel Staff - Thursday, September 9, 3:38 PMLooking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Blackrock Inc (BLK), where a total volume of 1,834 contracts has been traded thus far today, a contract volume which is representative of approximately 183,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 51.5% of BLK's average daily trading volume over the past month, of 356,170 shares. Particularly high volume was seen for the $650 strike put option expiring January 20, 2023, with 114 contracts trading so far today, representing approximately 11,400 underlying shares of BLK. Below is a chart showing BLK's trailing twelve month trading history, with the $650 strike highlighted in orange:
Zogenix Inc (ZGNX) options are showing a volume of 2,834 contracts thus far today. That number of contracts represents approximately 283,400 underlying shares, working out to a sizeable 51.3% of ZGNX's average daily trading volume over the past month, of 551,900 shares. Especially high volume was seen for the $16 strike put option expiring September 17, 2021, with 2,004 contracts trading so far today, representing approximately 200,400 underlying shares of ZGNX. Below is a chart showing ZGNX's trailing twelve month trading history, with the $16 strike highlighted in orange:
And Southwest Airlines Co (LUV) saw options trading volume of 32,649 contracts, representing approximately 3.3 million underlying shares or approximately 50.8% of LUV's average daily trading volume over the past month, of 6.4 million shares. Particularly high volume was seen for the $50.50 strike call option expiring September 10, 2021, with 3,462 contracts trading so far today, representing approximately 346,200 underlying shares of LUV. Below is a chart showing LUV's trailing twelve month trading history, with the $50.50 strike highlighted in orange:
For the various different available expirations for BLK options, ZGNX options, or LUV options, visit StockOptionsChannel.com.
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