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PSA

Notable Wednesday Option Activity: PSA, URI, ALGN

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Public Storage (Symbol: PSA), where a total volume of 6,635 contracts has been traded thus far today, a contract volume which is representative of approximately 663,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 78.5% of PSA's average daily trading volume over the past month, of 844,930 shares. Especially high volume was seen for the $230 strike call option expiring September 20, 2019, with 1,874 contracts trading so far today, representing approximately 187,400 underlying shares of PSA. Below is a chart showing PSA's trailing twelve month trading history, with the $230 strike highlighted in orange:

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United Rentals Inc (Symbol: URI) options are showing a volume of 8,852 contracts thus far today. That number of contracts represents approximately 885,200 underlying shares, working out to a sizeable 68.3% of URI's average daily trading volume over the past month, of 1.3 million shares. Especially high volume was seen for the $99 strike put option expiring September 20, 2019, with 721 contracts trading so far today, representing approximately 72,100 underlying shares of URI. Below is a chart showing URI's trailing twelve month trading history, with the $99 strike highlighted in orange:

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And Align Technology Inc (Symbol: ALGN) options are showing a volume of 7,946 contracts thus far today. That number of contracts represents approximately 794,600 underlying shares, working out to a sizeable 66.4% of ALGN's average daily trading volume over the past month, of 1.2 million shares. Especially high volume was seen for the $185 strike call option expiring September 20, 2019, with 1,706 contracts trading so far today, representing approximately 170,600 underlying shares of ALGN. Below is a chart showing ALGN's trailing twelve month trading history, with the $185 strike highlighted in orange:

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For the various different available expirations for PSA options, URI options, or ALGN options, visit StockOptionsChannel.com.

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

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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