Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Cintas Corporation (NASD: CTAS), where a total volume of 2,927 contracts has been traded thus far today, a contract volume which is representative of approximately 292,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47.6% of CTAS's average daily trading volume over the past month, of 614,585 shares. Particularly high volume was seen for the $100 strike put option expiring August 19, 2016, with 795 contracts trading so far today, representing approximately 79,500 underlying shares of CTAS. Below is a chart showing CTAS's trailing twelve month trading history, with the $100 strike highlighted in orange:
Express Scripts Holding Co (NASD: ESRX) options are showing a volume of 15,921 contracts thus far today. That number of contracts represents approximately 1.6 million underlying shares, working out to a sizeable 44.9% of ESRX's average daily trading volume over the past month, of 3.5 million shares.
Particularly high volume was seen for the $79.50 strike call option expiring July 22, 2016, with 5,484 contracts trading so far today, representing approximately 548,400 underlying shares of ESRX. Below is a chart showing ESRX's trailing twelve month trading history, with the $79.50 strike highlighted in orange:
And United Continental Holdings Inc (NYSE: UAL) saw options trading volume of 29,113 contracts, representing approximately 2.9 million underlying shares or approximately 43.6% of UAL's average daily trading volume over the past month, of 6.7 million shares.
Especially high volume was seen for the $52 strike call option expiring August 19, 2016, with 3,681 contracts trading so far today, representing approximately 368,100 underlying shares of UAL. Below is a chart showing UAL's trailing twelve month trading history, with the $52 strike highlighted in orange:
For the various different available expirations for CTAS options, ESRX options, or UAL options, visit StockOptionsChannel.com.
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