Ultra bond options

Just for the jollies I went to see how much the margin was on a naked UB call expiring on Wednesday, and IB told me this contract was not available for trading, even though there were what appeared to be live quotes. Anyone know why?
 
I'm lost. The option in question expires Wed, and it's last trading day is Wed, according to IB. The underlying expires in June.
 
I'm lost. The option in question expires Wed, and it's last trading day is Wed, according to IB. The underlying expires in June.

there are two contracts, UBH24 and UBM24. FOPs on UBH24 has no volume, maybe not traded for a while. But if you look at the FOPs for UBM24, there are 40+ bid/ask volume. perhaps you are looking at the wrong option chain.
 
The options expiring this month are "subject to the respective Close-Out Deadlines, as detailed here."
Follow the link, type UB, then <Enter>.
The deadline for long UB futures and options expiring in March was back on February 28. (For short positions, you have until March 19, but unless you are delivering the underlying, you better be out by February 28.)
 
The options expiring this month are "subject to the respective Close-Out Deadlines, as detailed here."
Follow the link, type UB, then <Enter>.
The deadline for long UB futures and options expiring in March was back on February 28. (For short positions, you have until March 19, but unless you are delivering the underlying, you better be out by February 28.)

Do all brokers do this?
 
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