Thursday, October 8, 2026

Research and reporting on capital markets, credit and real estate finance

Capital Markets · Data Brief

30-Year Bond Auction Yield Rises to 5.618% From 5.308% in September

Treasury sold $22 billion of reopened 30-year bonds on Oct. 8 at a 5.618% high yield, up from 5.308% in September, with a 2.54 bid-to-cover ratio.

By Capital Finance Bureau Staff · · 3 min read

Close-up of a U.S. $100 bill
Photo: Live Richer / Unsplash

Why it matters

  • Treasury sold $22 billion of reopened 30-year bonds on Oct. 8 at a high yield of 5.618%, 0.310 percentage point above the 5.308% paid for the same bond on Sept. 10.
  • The bid-to-cover ratio slipped to 2.54 from 2.61, and primary dealers took 6.8% of accepted competitive bids, up from 2.2% in September, while indirect bidders' share fell to 72.3% from 79.5%.
  • The 30-year par yield closed at 5.60% on Oct. 8, down from 5.67% a day earlier, and the 10-year closed at 5.22%, according to the Treasury.

Data Brief: a summary of published data, with our notes on what it shows.

The Treasury Department sold $22 billion of reopened 30-year bonds on Thursday, Oct. 8, at a high yield of 5.618%, according to TreasuryDirect auction results. That is 0.310 percentage point above the 5.308% the government paid when it sold the same bond on Sept. 10. Bidders offered $2.54 for every dollar sold, down from $2.61 last month.

The bonds carry a 5-1/8% coupon and mature Aug. 15, 2056. They sold at a price of 92.889131 per $100 of face value and will be issued Oct. 15, Treasury said.

30-year bond auction results: October vs. September

MeasureOct. 8Sept. 10
Offering amount$22 billion$22 billion
High yield5.618%5.308%
Median yield5.567%5.250%
Allotted at high yield26.77%64.29%
Price per $10092.88913197.262274
Bid-to-cover ratio2.542.61
Primary dealers, share of competitive awards6.8%2.2%
Direct bidders, share20.9%18.3%
Indirect bidders, share72.3%79.5%

Source: TreasuryDirect auction results. Shares are calculated by Capital Finance Bureau from accepted competitive tenders.

Bids totaled $55.9 billion, Treasury said. Primary dealers were awarded $1.49 billion of bonds, up from $484.8 million in September. Indirect bidders were awarded $15.87 billion, down from $17.45 billion. The Federal Reserve's portfolio added $522.5 million on top of the offering, bringing total accepted bonds to $22.52 billion. In September the Fed took none.

Was demand for the 30-year bond weak?

It was softer than in September by several measures. The bid-to-cover ratio fell to 2.54 from 2.61. Indirect bidders took a smaller share, and primary dealers were left with about three times their September share. At the 10-year sale on Oct. 7, dealers took 2.5%.

How the week's auctions compare

The 30-year sale finished a week in which Treasury sold $119 billion of coupon debt, and each auction cleared at a higher yield than in September.

AuctionDateHigh yieldSeptember high yieldBid-to-cover
3-year note, $58 billionOct. 64.932%4.474%2.62
10-year note reopening, $39 billionOct. 75.300%4.834%2.77
30-year bond reopening, $22 billionOct. 85.618%5.308%2.54

Source: TreasuryDirect auction results.

Our earlier briefs cover the 3-year note auction and the 10-year note auction alongside the Fed minutes.

Where did Treasury yields close on Oct. 8?

Longer-term yields fell on Thursday. The 30-year par yield closed at 5.60%, below the auction's 5.618% high yield, which was set at the 1 p.m. ET bidding deadline, according to Treasury data.

MaturitySept. 30Oct. 7Oct. 8
2-year4.88%4.77%4.75%
10-year5.29%5.28%5.22%
20-year5.68%5.71%5.64%
30-year5.64%5.67%5.60%
10-year minus 2-year0.410.510.47

Source: U.S. Department of the Treasury, daily par yield curve rates.

The 10-year yield closed 0.09 percentage point below its Oct. 5 close of 5.31%, covered in our 10-year yield report. The sale came the day Fed Governor Christopher Waller said he expects more rate hikes. More coverage is in the Capital Markets section.

Sources

More from the Bureau

Coming soon

The Bureau Brief

A weekly read on rates, credit and capital flows for lenders and investors. Until it launches, follow every piece through our RSS feed.

Follow via RSS