Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Hershey Company (HSY), where a total volume of 3,801 contracts has been traded thus far today, a contract volume which is representative of approximately 380,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 44.4% of HSY's average daily trading volume over the past month, of 855,585 shares. Particularly high volume was seen for the $180 strike call option expiring July 16, 2021, with 893 contracts trading so far today, representing approximately 89,300 underlying shares of HSY. Below is a chart showing HSY's trailing twelve month trading history, with the $180 strike highlighted in orange:

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

Bio-Rad Laboratories Inc (BIO) saw options trading volume of 585 contracts, representing approximately 58,500 underlying shares or approximately 44.2% of BIO's average daily trading volume over the past month, of 132,310 shares. Especially high volume was seen for the $570 strike put option expiring August 20, 2021, with 159 contracts trading so far today, representing approximately 15,900 underlying shares of BIO. Below is a chart showing BIO's trailing twelve month trading history, with the $570 strike highlighted in orange:

And Whirlpool Corp (WHR) options are showing a volume of 2,580 contracts thus far today. That number of contracts represents approximately 258,000 underlying shares, working out to a sizeable 43.7% of WHR's average daily trading volume over the past month, of 590,590 shares. Particularly high volume was seen for the $185 strike put option expiring August 20, 2021, with 150 contracts trading so far today, representing approximately 15,000 underlying shares of WHR. Below is a chart showing WHR's trailing twelve month trading history, with the $185 strike highlighted in orange: