Treasury auctions · 52-week bill · highs and lows

What were the highest and lowest results at 52-week Treasury bill auctions?

As of , the highest bid-to-cover ratio at a 52-week bill auction since was 5.34 on and the lowest 1.85 on .

Bid-to-cover ratio

Highest 5.34 on ; lowest 1.85 on .

Data from .

Low 1.85 Midpoint 3.595 High 5.34

High discount rate

Highest 15.000% on ; lowest 0.055% on .

Data from .

Low 0.055% Midpoint 7.5275% High 15.000%

Indirect bidders' share

Highest 82.2% on ; lowest 8.5% on .

Data from .

Low 8.5% Midpoint 45.35% High 82.2%

Direct bidders' share

Highest 35.7% on ; lowest 0.0% on .

Data from .

Low 0.0% Midpoint 17.85% High 35.7%

Primary dealers' share

Highest 89.3% on ; lowest 15.5% on .

Data from .

Low 15.5% Midpoint 52.40% High 89.3%

Amount offered

Largest $54 billion on ; smallest $4 billion at 16 auctions, the latest on .

Data from .

Low $4 billion Midpoint $29.0 billion High $54 billion

The numbers behind the chart

What were the highest and lowest of every measure?With the latest day and how many auctions share each
The highest and lowest of each measure at 52-week bill auctions, the latest day each was set, and how many auctions share it
MeasureHighestLatest dayAuctions at itLowestLatest dayAuctions at it
Bid-to-cover ratio5.3411.851
High discount rate15.000%10.055%1
Indirect bidders' share82.2%18.5%1
Direct bidders' share35.7%10.0%1
Primary dealers' share89.3%115.5%1
Amount offered$54 billion1$4 billion16

The table scrolls sideways; the first column stays in place.

Which auctions share a high or a low?Equal as printed
  • Amount offered, smallest $4 billion: , , , , , , , and 8 auctions before them.

Two auctions share a value when it prints the same: a ratio to two places, a rate to three, a share to one decimal, an amount to the dollar.

What do the figures leave out, and how are they cited?Limits, dates and how to cite

Auctions of exactly twenty-five million dollars, taken only by primary dealers, are left out of these comparisons.

The amount offered is compared across new issues and reopenings here: this page lists the largest and smallest amounts, not a run of like with like. Single auctions have their own pages where Treasury published the bidder amounts; a bill auction has none.

Observed .

Shares of competitive bids, grades against earlier auctions and the high-minus-median spread are computed by 500metrics from Treasury's published fields.

How to cite this

U.S. Treasury, Bureau of the Fiscal Service, Fiscal Data, Treasury Securities Auctions Data, through 29 September 2026. Compiled by 500metrics, "What were the highest and lowest results at 52-week Treasury bill auctions?", https://500metrics.com/treasury/auctions/52-week-bill/records.

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