Notable Wednesday Option Activity: ON, THO, CLW

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in ON Semiconductor Corp (ON), where a total volume of 29,989 contracts has been traded thus far today, a contract volume which is representative of approximately 3.0 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.1% of ON's average daily trading volume over the past month, of 6.5 million shares..