Notable Wednesday Option Activity: ZN, BIG, AAOI

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Zion Oil & Gas Inc (ZN), where a total volume of 1,030 contracts has been traded thus far today, a contract volume which is representative of approximately 103,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 42.4% of ZN's average daily trading volume over the past month, of 242,975 shares..