Reps. Wiley Nickel, D-N.C., and Mike Flood, R-Neb., exhorted the Securities and Exchange Commission to approve the listing and trading of options on spot bitcoin exchange-traded funds amid delays.

In a letter sent to SEC Chair Gary Gensler on Wednesday, the two lawmakers pointed to the agency's January approval of spot bitcoin ETFs, which has so far brought in billions of dollars. Axios first reported the news on Wednesday. 

"We urge you, without delay, to either approve options on spot bitcoin ETPs or to provide an explanation for the Commission's difference in treatment between options for Bitcoin futures ETFs — which are currently trading — and options for the spot bitcoin ETPs," Reps. Flood and Nickel wrote. The two members of Congress previously wrote a letter in September …