Jon Najarian Sees Unusual Options Activity in Taiwan Semi and Pinduoduo

On CNBC's "Fast Money Halftime Report," Jon Najarian gave his unusual options activity trades.

Najarian sees unusual options activity in Taiwan Semiconductor (NYSE: TSM) $100 calls that expire on December 4.

Najarian also sees unusual options activity in Pinduoduo (NASDAQ: PDD) $170 calls that expire on December 4, as well.