Treasury triples long-term debt buybacks as yields hit 2007 levels

Overview

Updated Oct 4

Treasury accepted $4.08 billion of 20- to 30-year bonds on Sept. 24, below the $6 billion cap, even after investors offered $10.47 billion. The 30-year yield then touched 5.474%, its highest since June 2004, and the 10-year reached 5.18%.

Treasury ran another buyback on Oct. 1, capped at $6 billion for 10- to 20-year debt, as yields held at multi-decade highs. Two operations in a row have fallen short of their maximums, and investors are debating whether the program is meant to cap yields or just smooth trading. The next test is the Nov. 4 quarterly refunding, where Treasury sets future buyback sizes.

Why it matters

If long-end yields keep climbing, federal borrowing costs rise, mortgage rates follow, and $40 trillion in debt gets more expensive to refinance.

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Key Indicators

5.18%

10-year Treasury yield, Sept 24

Reached 5.18% on Sept. 24 after the buyback results, its highest since 2007.

5.474%

30-year Treasury yield, Sept 24

Hit 5.474% on Sept. 24, the highest since June 2004.

5.033%

Five-year auction yield, Sept 24

A $70 billion five-year sale cleared at 5.033%, the highest yield since 2006. By one measure it was the second-worst five-year auction since 2018.

$4.08 billion

Actual Sept 24 purchase amount

Treasury accepted $4.08 billion of a $6 billion cap, a 68% fill, after $10.47 billion in offers. Second straight shortfall.

$5.19 billion

Actual Sept 10 purchase amount

Shy of the $6 billion maximum. Investors offered $10.5 billion in bonds, but Treasury rejected much of it.

$739 billion

Q3 net borrowing estimate

Treasury plans to borrow $739 billion from July through September, and $628 billion the next quarter. The $6 billion buyback cap is about 0.8% of Q3 borrowing.

$40 trillion

U.S. national debt

Crossed $40 trillion in August, adding to supply pressure at the long end.

Voices

Curated perspectives — historical figures and your fellow readers.

Ever wondered what historical figures would say about today's headlines?

People Involved

Scott Bessent

U.S. Treasury Secretary

Called buybacks successful before the House Financial Services Committee on Sept. 15; the 10-year yield hit 5.041% that day. The second $6 billion operation accepted $4.08 billion, below its cap, and the 30-year yield hit 5.474%, the highest since June 2004, on Sept. 24.

Matt Cole

CEO, Strive Asset Management

Skeptical of buyback effectiveness

Organizations Involved

U.S. Department of the Treasury

Federal Agency

Two straight $6 billion buybacks have fallen short of their caps; 30-year yield at 5.474%, highest since June 2004

The federal agency that issues and manages U.S. government debt.

Timeline

August 2026 October 2026

14 events Latest: October 1st, 2026 · 1 week ago Showing 8 of 14

Tap a bar to jump to that date

October 2026
Treasury runs another $6 billion buyback, this time for 10- to 20-year debt
Latest Market Operation

Treasury planned a further operation capped at $6 billion targeting 10- to 20-year bonds, its next long-dated buyback, as yields held near multi-decade highs. The result had not been reported in the sources reviewed.
October 1st, 2026
September 2026
Five-year auction clears at 5.033%, highest yield since 2006
Market Event

A $70 billion five-year note sale cleared at 5.033%, the highest yield since 2006. The 10-year yield rose to 5.15% and the S&P 500 dropped almost 1% at one point.
September 24th, 2026
30-year yield hits 5.446%, highest since 2004; oil tops $105
Market Event

The 30-year Treasury yield climbed as high as 5.446%, a level not seen in 22 years, with the 10-year at 5.15%. Crude oil returned to $105 a barrel.
September 24th, 2026
Second buyback accepts $4.08 billion, under the $6 billion cap
Market Operation

Treasury took $4.08 billion of $10.47 billion offered, accepting 12 of 35 eligible issues. The 30-year yield rose to 5.474%, the highest since June 2004, and the 10-year reached 5.18%.
September 24th, 2026
Treasury announces second $6 billion buyback; 30-year yield tops 5.41%
Policy Announcement

Treasury set a $6 billion cap for the second enhanced buyback, scheduled for Sept. 24. The 30-year yield climbed above 5.41% after the announcement, its highest since 2007.
September 23rd, 2026
10-year yield closes above 5% for first time in 19 years
Market Event

The 10-year yield finished at 5.006%, up from a 4.996% close the prior session, according to Cboe data.
September 16th, 2026
Bessent tells Congress buybacks are working; 10-year yield hits 5.041%
Policy Announcement

Bessent told the House Financial Services Committee the expanded buybacks were successful and pointed to strong auctions. The same day, the 10-year yield hit 5.041%, its highest since 2007.
September 15th, 2026
10-year yield hits 4.96%, extending post-buyback climb
Market Event

The 10-year yield rose 13 basis points from Sept. 9-11 to 4.96%, with the 20-year at 5.38% and the 30-year at 5.35%, per Treasury par-yield data.
September 11th, 2026
Buyback operation scheduled: up to $6 billion
Market Operation

20-minute operation runs 1:40-2 p.m. ET, targeting 10- and 20-year notes maturing Feb 2037 to Aug 2046.
September 10th, 2026 • 1:40 PM
Buyback operation closes: $5.19 billion purchased
Market Operation

Treasury bought $5.19 billion of 10- and 20-year notes, below the $6 billion cap. The 10-year yield extended its rise to 4.95% after the operation.
September 10th, 2026 • 2:00 PM
Treasury triples buyback to $6 billion; yields keep rising
Policy Announcement

Bureau of the Fiscal Service sets $6 billion cap for Sept 10 operation. 10-year hits 4.841%, 30-year 5.307%.
September 9th, 2026
10-year auction draws strong demand
Market Event

Auction saw strong investor demand despite the yield surge, per Wells Fargo's fixed income team.
September 9th, 2026
August 2026
Bessent doubles buyback program to $4 billion
Policy Announcement

Treasury Secretary announces long-dated buybacks will be at least $4 billion per operation through early November.
August 19th, 2026
30-year yield tops 5.33%, highest since 2007
Market Event

Long-term yields hit their highest level since before the 2008 financial crisis.
August 18th, 2026

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Scenarios

Treasury hikes buybacks past $10 billion per operation

Possible Resolves by Dec 15, 2026

Discussed by: RBC Capital Markets analysts, who wrote that quadruling or quintupling to $8-10 billion is 'not out of the question'

If yields keep climbing after the Sept 10 operation, Bessent faces pressure to expand again. RBC analysts note that another major shift within two weeks would signal the Aug 19 announcement was a miscalculation. A fourth expansion would push the cap to $8-12 billion per operation.

Buybacks anchor the long end, 10-year yield retreats below 4.5%

Possible Resolves by End of 2026

Discussed by: Wells Fargo Investment Institute's Luis Alvarado, citing strong Sept 9 auction demand as a confidence signal

Strong demand at the 10-year auction suggests investors see value at these yield levels. If buybacks provide short-term liquidity relief and oil prices and war risk stabilize, the 10-year could drift back below 4.5%. This assumes inflation readings cool in coming months.

Market rejects $6 billion, 30-year yield breaks 5.5%

Possible Resolves by Nov 30, 2026

Discussed by: Strive Asset Management CEO Matt Cole, who says the buyback is too small against $40 trillion in debt

Cole argues the market is 'calling a bluff' on small buybacks. If yields push through 5.5%, borrowing costs for the Treasury and consumers climb further, forcing more drastic intervention. This scenario gains force if inflation readings stay hot and oil stays above $100.

Treasury Holds at $6 Billion, Market Stays Unimpressed

Likely Resolves by Oct 1, 2026

Discussed by: Reuters market coverage, Strive Asset Management CEO Matt Cole

If Bessent keeps buybacks near current levels, yields may continue to drift higher. Cole's critique, that the buybacks are too small to matter, gains traction as the market proves resistant to the current level of intervention.

November refunding becomes the real test for long-end demand

Likely Resolves by Nov 4, 2026

Discussed by: Market analysis on ts2.tech

The $6 billion buyback cap is about 0.8% of the $739 billion the Treasury plans to borrow in the third quarter. The Nov. 4 quarterly refunding will show what buyers demand for new long-term debt, which matters more than buyback size.

Second buyback falls short of $6 billion cap

Possible Resolves by Sep 25, 2026

Discussed by: Bitget News analysis of the Sept. 23 announcement

The Sept. 10 operation bought $5.19 billion because investors offered $10.5 billion in bonds, much of it at prices Treasury rejected. If the Sept. 24 operation again falls short, it would confirm holders want higher yields before selling, undercutting Bessent's claim that the program is working.

November refunding brings a change in buyback strategy

Possible Resolves by Nov 4, 2026

Discussed by: Reuters market coverage of the debate over the program's aims

Reuters reported Oct. 1 that investors are split on whether the buybacks are a liquidity tool or an attempt to cap yields. Recent operations have accepted around half the bonds offered and each fell short of its cap, feeding doubt. The Nov. 4 refunding is where Treasury says whether the program keeps its size, rises again, or shifts.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

September 2011 - December 2012

Operation Twist (2011-2012)

The Federal Reserve sold short-term Treasury bills and bought long-term bonds, aiming to push down long-term yields without expanding its balance sheet. The program targeted the same part of the curve Treasury is now buying.

Then

Long-term yields fell initially, and the Fed extended the program once before ending it in late 2012.

Now

The effect faded as the economic recovery strengthened. The episode showed that targeting the long end can produce short-lived relief but rarely overrides structural factors like growth and inflation expectations.

Why this matters now

Today's buybacks are a similar attempt to manage long-term yields through targeted purchases. The 2011 precedent suggests the market may absorb the operation without a lasting change in yield levels.

July - August 2011

U.S. debt ceiling crisis and S&P downgrade (2011)

Congress fought over raising the debt ceiling until a last-minute deal. Standard & Poor's downgraded U.S. credit from AAA to AA+ on Aug 5. The national debt then stood near $14.3 trillion.

Then

Treasury yields fell sharply despite the downgrade, as investors fled to the safety of U.S. government debt.

Now

The episode showed that bond markets can defy conventional logic, pricing relative safety over headline risk. It also cost the U.S. its perfect credit rating.

Why this matters now

Today's situation is the reverse: yields are rising despite Treasury intervention. The 2011 paradox is a reminder that bond investors weigh their alternatives as much as the issuer's fundamentals.