The U.S. Securities and Exchange Commission is again delaying a slew of proposals that would allow for options on spot bitcoin exchange-traded funds and asked for public input. 

Multiple exchanges have since filed to allow for options trading on the newly approved spot bitcoin ETFs including Cboe Exchange, Inc., BOX Exchange LLC, MIAX International Securities Exchange LLC, Nasdaq ISE, LLC and NYSE American LLC — all of which were mentioned in the SEC's filing posted on Thursday. 

Comments are due in the next 21 days and rebuttal comments in 35 days, the SEC said. The agency posed questions such as whether options on the spot bitcoin ETFs should follow the same rules as stocks.

"Whether options on the specified Bitcoin ETPs should be subject to the same position limits as …