Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Cullen/Frost Bankers, Inc. (Symbol: CFR), where a total volume of 2,734 contracts has been traded thus far today, a contract volume which is representative of approximately 273,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 79.3% of CFR's average daily trading volume over the past month, of 344,550 shares. Particularly high volume was seen for the $105 strike call option expiring April 18, 2019 , with 1,229 contracts trading so far today, representing approximately 122,900 underlying shares of CFR. Below is a chart showing CFR's trailing twelve month trading history, with the $105 strike highlighted in orange:

Caterpillar Inc. (Symbol: CAT) options are showing a volume of 42,609 contracts thus far today. That number of contracts represents approximately 4.3 million underlying shares, working out to a sizeable 78.6% of CAT's average daily trading volume over the past month, of 5.4 million shares. Particularly high volume was seen for the $135 strike call option expiring February 15, 2019 , with 8,458 contracts trading so far today, representing approximately 845,800 underlying shares of CAT. Below is a chart showing CAT's trailing twelve month trading history, with the $135 strike highlighted in orange:

And Upland Software Inc (Symbol: UPLD) options are showing a volume of 1,246 contracts thus far today. That number of contracts represents approximately 124,600 underlying shares, working out to a sizeable 78.3% of UPLD's average daily trading volume over the past month, of 159,095 shares. Particularly high volume was seen for the $35 strike call option expiring February 15, 2019 , with 1,038 contracts trading so far today, representing approximately 103,800 underlying shares of UPLD. Below is a chart showing UPLD's trailing twelve month trading history, with the $35 strike highlighted in orange:

For the various different available expirations for CFR options , CAT options , or UPLD 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.
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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