Jon Najarian Sees Unusual Option Activity In SPDR S&P Biotech ETF And Verra Mobility

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

Najarian sees unusual activity in:

• SPDR S&P Biotech ETF XBI May $129 puts
• Verra Mobility VRRM December $17.50 calls

He plans to hold the position in the Biotech ETF for one to two weeks and the position in Verra Mobility for three to four months.