Stock Traders Buy High Volume of CytomX Therapeutics Put Options (NASDAQ:CTMX)

CytomX Therapeutics, Inc. (NASDAQ: CTMX - Get Free Report) was the target of some unusual options trading activity on Thursday. Stock traders bought 13,090 put options on the stock. This is an increase of approximately 262% compared to the average daily volume of 3,621 put options. Insider Activity at CytomX Therapeutics In other CytomX Therapeutics news,