Notable Monday Option Activity: IPGP, SRG, ENR

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in IPG Photonics Corp (IPGP), where a total volume of 3,360 contracts has been traded thus far today, a contract volume which is representative of approximately 336,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 68.2% of IPGP's average daily trading volume over the past month, of 492,715 shares..