Notable Wednesday Option Activity: GMT, Z, STAR
April 20, 2016 at 15:28 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in GATX Corp. (GMT), where a total volume of 2,937 contracts has been traded thus far today, a contract volume which is representative of approximately 293,700 underlying shares (given that every 1 contract represents 100 underlying shares)..