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Dollar falls to three-month low on Treasury buyback worries - Finance news and analysis from Global Banking & Finance Review
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Dollar falls to three-month low on Treasury buyback worries

Published by Global Banking & Finance Review

Posted on August 21, 2026

4 min read

· Last updated: August 21, 2026

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Dollar Drops to Three-Month Low as Treasury Buyback Worries Mount

Market Reactions and Currency Movements

By Karen Brettell and Niket Nishant

Dollar Weakness Amid Treasury Buyback Concerns

Aug 21 (Reuters) - The dollar fell to a three-month low against the euro on Friday as concerns mounted that the U.S. Treasury's plan to expand buybacks of longer-dated government debt could weigh further on the U.S. currency.

Treasury Secretary Scott Bessent said on Thursday he may increase the government's repurchases of Treasuries further, a day after the department surprised markets by pledging to at least double the size of its buybacks of longer-dated debt in an effort to rein in bond yields.

Bond Yields and Fiscal Outlook

Long-dated yields jumped this week, with the 30-year yield reaching its highest level since 2007. Traders cited concerns over the deteriorating fiscal outlook, heavy issuance, geopolitical risk stemming from the war with Iran, and uncertainty over the Federal Reserve's policy path.

Analysts say that holding yields down will simply shift the burden of fiscal concerns onto the currency. And so far the strategy has not achieved its primary goal, as yields have crept back higher.

"Bessent’s efforts to suppress U.S. yields haven't done much for U.S. yields, but it's undermined the dollar," said Marc Chandler, chief market strategist at Bannockburn Global Forex. "The market is pushing back."

Currency Indexes and Alternative Assets

The dollar index, which measures the greenback against a basket of currencies including the yen and the euro, rose 0.01% to 98.80, with the euro up 0.03% at $1.1682. The single currency earlier reached $1.1711, the highest since May 14.

Sterling rose 0.15% to $1.3649. It had reached $1.3675, the highest since February 11.

Bitcoin, seen as an alternative to fiat currencies, continued to surge. It was last up 6.22% at $77,178, after earlier scaling $79,455, the highest since May 15.

Upcoming Federal Reserve Events

The next test of whether Treasury yields continue to climb may come next Friday, when Federal Reserve Chairman Kevin Warsh delivers a speech at the central bank's Jackson Hole symposium.

Warsh unsettled markets after the Fed's July meeting by offering few clues on how policymakers might respond to persistent price pressures. A divided Fed had left interest rates unchanged.

Analyst Expectations for the Dollar

"USD risks are skewed modestly to the downside" for the speech, analysts at TD Securities said in a report on Friday. "Any hawkish clarification on inflation credibility may provide only limited USD support. Alternatively, failure to address inflation credibility could weigh more materially on the dollar."

Fed funds futures traders are currently pricing in a 40% chance of a September rate hike, rising to 72% for December.

Yen Firms After Inflation Data

YEN FIRMS AFTER INFLATION

The Japanese yen strengthened 0.02% to 159.01 per dollar after data showed core consumer inflation had accelerated in July, bolstering the case for a rate hike by the Bank of Japan.

U.S. and Japanese authorities propped up the yen through joint intervention last month, but investors say the Japanese currency could resume its decline unless the BOJ tightens policy.

Bank of Japan Policy Outlook

"The yen is certainly salvageable, but it's not a one-way train," said Roosevelt Bowman, senior investment strategist at Bernstein Private Wealth.

"Given that growth and inflation have at least firmed somewhat in Japan, if the BOJ policy was seen as more symmetric, with the central bank pushing against any inflationary pressures, it would help the yen."

Upcoming BOJ Meeting

Rate increases typically support a currency. The BOJ's next policy meeting is on September 17 and 18.

(Reporting by Karen Brettell, Niket Nishant and Rae Wee; Editing by Sonali Paul, Lincoln Feast, Hugh Lawson, Alex Richardson and Edmund Klamann)

Key Takeaways

  • Treasury Secretary Scott Bessent signaled potential further expansion of long‑term debt buybacks, following a doubling of the operation cap to at least $4 billion per operation starting September 9 through November 4 2026 (financereviewdaily.com).
  • The 30‑year Treasury yield climbed to levels not seen since 2007—above 5.3%—driven by fiscal worries, heavy issuance, geopolitical tensions (notably related to Iran), and uncertainty over Fed policy (thedailybeast.com).
  • Currency markets reacted: the dollar index fell to its lowest in three months at around 98.8, while the euro reached highs near $1.1711, sterling and Bitcoin also rallied amid investor skepticism over Treasury and Fed policies (finance.yahoo.com).

References

Frequently Asked Questions

Why did the US dollar fall to a three-month low?
The dollar fell due to concerns that expanded Treasury buybacks of long-dated government debt could further weaken the currency.
How have bond yields reacted to the Treasury buyback plans?
Long-dated yields, especially the 30-year yield, have jumped to their highest levels since 2007 despite the buyback plans.
What was the euro’s exchange rate against the dollar during this period?
The euro reached as high as $1.1711, its highest since May 14, and was last up 0.03% at $1.1682.
How did the Japanese yen respond to the market developments?
The yen strengthened to 159.01 per dollar after July inflation data, amid speculation about a possible Bank of Japan rate hike.
What are traders expecting from the Fed’s upcoming decisions?
Traders are watching the Jackson Hole symposium for clues on Fed policy, with a 40% chance of a September rate hike and 72% for December.

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