Investors in the survey said an ultra bond would likely cannibalize demand for existing long-dated Treasuries, the strategists said.

Speculators increased their net shorts in ultra bond futures to 177,437 contracts, a record peak.

Speculators' net shorts in ultra bond futures fell to 281,523 contracts, the lowest since Jan. 8.

Speculative net shorts in ultra bond futures reached a record high at 280,858 contracts on Tuesday.

Speculative net shorts in ultra bond futures reached an all-time peak at 250,125 contracts on Tuesday.

Speculative net shorts in ultra bond futures hit an all-time peak at 259,949 contracts on Tuesday.

Speculative net shorts in ultra bond contracts reached a record high earlier this week at 171,600 contracts.

Speculative net shorts in ultra bond futures hit a record amount at 145,544 contracts earlier this week.

Their net shorts in ultra bond futures reached a record high at 319,137 contracts on Feb. 26.

Speculative net shorts in ultra bond futures increased to a record peak of 240,737 contracts on Tuesday.

Among other T-note futures, speculative net shorts in ultra bond contracts scaled back from an all-time peak to 302,833 contracts on Tuesday.

Among other T-notes, speculative net shorts in ultra bond futures reached a record high amount of 315,331 contracts, compared with 291,770 the week before.

Among other bond contracts, speculative net shorts in ultra bonds reached a record peak of 244,975 contracts on Tuesday.

Speculative net shorts in T-bond futures fell to their lowest since December, but speculate net shorts in ultra bonds reached their highest level since November.

Among other bond contracts, speculative net shorts in ultra bonds fell from a record peak by 14,582 contracts to 226,155 on Tuesday.