Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in MBIA Inc. (MBI), where a total of 3,705 contracts have traded so far, representing approximately 370,500 underlying shares. That amounts to about 79.1% of MBI's average daily trading volume over the past month of 468,100 shares. Particularly high volume was seen for the $14 strike call option expiring August 20, 2021, with 611 contracts trading so far today, representing approximately 61,100 underlying shares of MBI. Below is a chart showing MBI's trailing twelve month trading history, with the $14 strike highlighted in orange:

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

II-VI Inc (IIVI) options are showing a volume of 8,360 contracts thus far today. That number of contracts represents approximately 836,000 underlying shares, working out to a sizeable 77.9% of IIVI's average daily trading volume over the past month, of 1.1 million shares. Particularly high volume was seen for the $75 strike call option expiring August 20, 2021, with 3,855 contracts trading so far today, representing approximately 385,500 underlying shares of IIVI. Below is a chart showing IIVI's trailing twelve month trading history, with the $75 strike highlighted in orange:

And Medpace Holdings Inc (MEDP) options are showing a volume of 1,161 contracts thus far today. That number of contracts represents approximately 116,100 underlying shares, working out to a sizeable 74.8% of MEDP's average daily trading volume over the past month, of 155,230 shares. Particularly high volume was seen for the $160 strike put option expiring August 20, 2021, with 652 contracts trading so far today, representing approximately 65,200 underlying shares of MEDP. Below is a chart showing MEDP's trailing twelve month trading history, with the $160 strike highlighted in orange: