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Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in SiriusXM Holdings Inc (Symbol: SIRI), where a total of 55,629 contracts have traded so far, representing approximately 5.6 million underlying shares. That amounts to about 88.9% of SIRI's average daily trading volume over the past month of 6.3 million shares. Particularly high volume was seen for the $21.50 strike call option expiring February 27, 2026, with 11,702 contracts trading so far today, representing approximately 1.2 million underlying shares of SIRI. Below is a chart showing SIRI's trailing twelve month trading history, with the $21.50 strike highlighted in orange:

Rocket Lab Corp (Symbol: RKLB) saw options trading volume of 142,297 contracts, representing approximately 14.2 million underlying shares or approximately 82.3% of RKLB's average daily trading volume over the past month, of 17.3 million shares. Particularly high volume was seen for the $40 strike put option expiring March 06, 2026, with 7,038 contracts trading so far today, representing approximately 703,800 underlying shares of RKLB. Below is a chart showing RKLB's trailing twelve month trading history, with the $40 strike highlighted in orange:

And SELLAS Life Sciences Group Inc (Symbol: SLS) options are showing a volume of 42,869 contracts thus far today. That number of contracts represents approximately 4.3 million underlying shares, working out to a sizeable 77.3% of SLS's average daily trading volume over the past month, of 5.5 million shares. Especially high volume was seen for the $3.50 strike call option expiring April 17, 2026, with 16,104 contracts trading so far today, representing approximately 1.6 million underlying shares of SLS. Below is a chart showing SLS's trailing twelve month trading history, with the $3.50 strike highlighted in orange:

For the various different available expirations for SIRI options, RKLB options, or SLS options, visit StockOptionsChannel.com.

Also see:

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IACB market cap history

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