Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Tempur Sealy International, Inc. (Symbol: TPX), where a total volume of 3,630 contracts has been traded thus far today, a contract volume which is representative of approximately 363,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 45.3% of TPX's average daily trading volume over the past month, of 800,615 shares. Especially high volume was seen for the $62.50 strike put option expiring April 18, 2019, with 889 contracts trading so far today, representing approximately 88,900 underlying shares of TPX. Below is a chart showing TPX's trailing twelve month trading history, with the $62.50 strike highlighted in orange:

Asure Software Inc. (Symbol: ASUR) saw options trading volume of 744 contracts, representing approximately 74,400 underlying shares or approximately 45.1% of ASUR's average daily trading volume over the past month, of 165,140 shares. Especially high volume was seen for the $10 strike call option expiring September 20, 2019, with 313 contracts trading so far today, representing approximately 31,300 underlying shares of ASUR. Below is a chart showing ASUR's trailing twelve month trading history, with the $10 strike highlighted in orange:

And Universal Display Corp (Symbol: OLED) options are showing a volume of 2,620 contracts thus far today. That number of contracts represents approximately 262,000 underlying shares, working out to a sizeable 44.6% of OLED's average daily trading volume over the past month, of 587,465 shares. Particularly high volume was seen for the $170 strike put option expiring April 18, 2019, with 107 contracts trading so far today, representing approximately 10,700 underlying shares of OLED. Below is a chart showing OLED's trailing twelve month trading history, with the $170 strike highlighted in orange:

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