Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Vertiv Holdings Co (Symbol: VRT), where a total of 20,329 contracts have traded so far, representing approximately 2.0 million underlying shares. That amounts to about 50% of VRT's average daily trading volume over the past month of 4.1 million shares. Especially high volume was seen for the $175 strike put option expiring September 18, 2026, with 2,585 contracts trading so far today, representing approximately 258,500 underlying shares of VRT. Below is a chart showing VRT's trailing twelve month trading history, with the $175 strike highlighted in orange:

Uber Technologies Inc (Symbol: UBER) options are showing a volume of 82,824 contracts thus far today. That number of contracts represents approximately 8.3 million underlying shares, working out to a sizeable 48% of UBER's average daily trading volume over the past month, of 17.3 million shares. Especially high volume was seen for the $79 strike call option expiring September 04, 2026, with 5,434 contracts trading so far today, representing approximately 543,400 underlying shares of UBER. Below is a chart showing UBER's trailing twelve month trading history, with the $79 strike highlighted in orange:

And Citigroup Inc (Symbol: C) saw options trading volume of 36,489 contracts, representing approximately 3.6 million underlying shares or approximately 44.1% of C's average daily trading volume over the past month, of 8.3 million shares. Especially high volume was seen for the $140 strike call option expiring September 18, 2026, with 3,501 contracts trading so far today, representing approximately 350,100 underlying shares of C. Below is a chart showing C's trailing twelve month trading history, with the $140 strike highlighted in orange:

For the various different available expirations for VRT options, UBER options, or C options, visit StockOptionsChannel.com.

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