Noteworthy Thursday Option Activity: XON, PBYI, KPTI

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Intrexon Corp (XON), where a total of 12,560 contracts have traded so far, representing approximately 1.3 million underlying shares. That amounts to about 99.4% of XON's average daily trading volume over the past month of 1.3 million shares..