Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Ebix Inc (EBIX - Get Report), where a total volume of 2,090 contracts has been traded thus far today, a contract volume which is representative of approximately 209,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 100.2% of EBIX's average daily trading volume over the past month, of 208,590 shares. Especially high volume was seen for the $70 strike call option expiring April 21, 2017, with 1,870 contracts trading so far today, representing approximately 187,000 underlying shares of EBIX. Below is a chart showing EBIX's trailing twelve month trading history, with the $70 strike highlighted in orange:

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

El Pollo Loco Holdings Inc ( LOCO) options are showing a volume of 2,807 contracts thus far today. That number of contracts represents approximately 280,700 underlying shares, working out to a sizeable 94.3% of LOCO's average daily trading volume over the past month, of 297,605 shares. Particularly high volume was seen for the $10 strike put option expiring March 10, 2017, with 917 contracts trading so far today, representing approximately 91,700 underlying shares of LOCO. Below is a chart showing LOCO's trailing twelve month trading history, with the $10 strike highlighted in orange:

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And Acorda Therapeutics Inc ( ACOR) options are showing a volume of 10,752 contracts thus far today. That number of contracts represents approximately 1.1 million underlying shares, working out to a sizeable 91.8% of ACOR's average daily trading volume over the past month, of 1.2 million shares. Particularly high volume was seen for the $20 strike put option expiring April 21, 2017, with 3,027 contracts trading so far today, representing approximately 302,700 underlying shares of ACOR. Below is a chart showing ACOR's trailing twelve month trading history, with the $20 strike highlighted in orange:

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