Pete Najarian Sees Unusual Option Activity In Citigroup, Wheaton Precious Metals And BHP

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

Najarian sees unusual activity in:

• BHP Group BHP September 17 $77.5 calls
• Citigroup C April 16 $76 calls
• Wheaton Precious Metals WPM May 21 $50 calls

Pete owns a position in all of these plays.