Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Interval Leisure Group Inc (IILG), where a total volume of 27,983 contracts has been traded thus far today, a contract volume which is representative of approximately 2.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 120.7% of IILG's average daily trading volume over the past month, of 2.3 million shares. Particularly high volume was seen for the $16 strike put option expiring December 16, 2016, with 24,801 contracts trading so far today, representing approximately 2.5 million underlying shares of IILG. Below is a chart showing IILG's trailing twelve month trading history, with the $16 strike highlighted in orange:Sparton Corp. ( SPA) saw options trading volume of 586 contracts, representing approximately 58,600 underlying shares or approximately 81% of SPA's average daily trading volume over the past month, of 72,310 shares. Especially high volume was seen for the $22.50 strike call option expiring September 16, 2016, with 389 contracts trading so far today, representing approximately 38,900 underlying shares of SPA. Below is a chart showing SPA's trailing twelve month trading history, with the $22.50 strike highlighted in orange: And ANI Pharmaceuticals, Inc. ( ANIP) options are showing a volume of 1,704 contracts thus far today. That number of contracts represents approximately 170,400 underlying shares, working out to a sizeable 69.4% of ANIP's average daily trading volume over the past month, of 245,490 shares. Particularly high volume was seen for the $60 strike call option expiring January 20, 2017, with 788 contracts trading so far today, representing approximately 78,800 underlying shares of ANIP. Below is a chart showing ANIP's trailing twelve month trading history, with the $60 strike highlighted in orange:
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