US Dollar Posts Biggest Decline in Three Weeks
Long-term US Treasury yields retreat following an expansion of bond buybacks, while Asian currency and equity markets experience sharp movements.
Intraday decline in the US Dollar Index
Peak 30-year US Treasury yield
Philippine peso’s intraday low per US dollar
Dollar Weakens as Treasury Buybacks Support Bond Market
The US dollar weakened sharply on Wednesday after the US Department of the Treasury unexpectedly announced an increase in the size of its long-term Treasury bond buyback operations. The announcement triggered a rebound in the US bond market and pushed long-term yields noticeably lower.
The US Dollar Index fell by as much as 0.85% during the trading session, marking its largest one-day decline in three weeks and reaching its lowest level since mid-May.
The dollar declined against all major currencies, with the Swiss franc and Swedish krona among the strongest performers. The Japanese yen also appreciated significantly.
US 30-Year Treasury Yield Reaches a 19-Year High
According to the latest data released by the US Department of the Treasury on August 18, the yield on the 30-year US Treasury bond reached 5.31% on August 17, its highest level since June 2007.
Analysts attributed the continued rise in long-term Treasury yields to concerns over the US fiscal outlook, the expanding level of government debt and the future direction of inflation. Higher long-term yields mean that the US government may face increased borrowing costs when issuing new debt.
Treasury data also showed that the federal government’s interest expenditure reached USD 104 billion in July, making it one of the largest categories of federal spending, behind only Medicare and Social Security.
Monthly federal interest expenses have generally increased this year, rising from USD 76 billion in January to USD 107 billion in May. Since then, monthly interest costs have remained above USD 100 billion.
Treasury Moves to Support the Long-Term Bond Market
On August 19, benchmark 10-year and 30-year US Treasury yields declined after the Treasury announced that it would double the size of its liquidity-support buyback operations for longer-dated government bonds.
Borrowing costs for long-term US government debt subsequently eased. Long-term bond yields in the eurozone also retreated from multi-year highs. Global bond markets had recently come under selling pressure amid concerns over deteriorating government finances, increased bond supply and persistent inflation risks.
The benchmark 10-year US Treasury yield fell by 4.9 basis points to 4.655%, while the 30-year yield declined by 8 basis points to 5.205%.
Meanwhile, uncertainty surrounding tensions between the United States and Iran continued, while crude oil prices moved slightly higher.
Long-Term Treasury Buyback Operations to Be Expanded
According to an August 19 statement, the US Treasury will expand its liquidity-support buybacks for longer-dated nominal coupon securities.
The maximum size of each buyback operation for Treasury securities with maturities of 10 to 20 years and 20 to 30 years will at least double, increasing from USD 2 billion to a minimum of USD 4 billion.
The new arrangement will take effect on September 9 and remain in place until the end of the current quarterly refunding cycle on November 4. The Treasury is expected to provide further information regarding future buyback sizes at its next quarterly refunding announcement.
The Treasury said the expansion is intended to provide additional liquidity support to the long-term government bond market. It also noted that market participants have shown strong interest in the programme and that previous buyback operations have attracted a large number of competitive offers.
Philippine Peso Falls to a Record Low
The Philippine peso fell to a new record low against the US dollar on August 19, briefly reaching PHP 61.995 per dollar and approaching the key level of PHP 62.
According to data from the Bankers Association of the Philippines, the peso opened at PHP 61.85 per dollar, weaker than the previous session’s closing rate of PHP 61.785. During the trading session, the currency moved between PHP 61.84 and PHP 61.995 per dollar.
The peso has recently remained under pressure near the PHP 61-per-dollar level. Market participants attributed the weakness partly to fluctuations in global energy prices caused by tensions in the Middle East, which had previously supported the US dollar and increased pressure on energy-importing economies such as the Philippines.
South Korean Stock Market Triggers Sidecar Mechanism
South Korean equities rose sharply during the latest trading session, prompting the Korea Exchange to activate its Sidecar mechanism and temporarily suspend programme-based buy orders in the KOSPI market.
The KOSPI Index extended its gains to approximately 5%. Major technology stocks led the rally, with SK Hynix rising by more than 11% and Samsung Electronics gaining nearly 7%.
The Sidecar mechanism is designed to temporarily limit the impact of rapid movements in futures prices on the broader cash equity market and reduce short-term market volatility.
Potential Implications for International Trade and Logistics
- A weaker US dollar may reduce the local-currency cost of dollar-denominated imports in some markets.
- Currency volatility may affect quotations, payment timing and profit margins for importers and exporters.
- Higher government bond yields can increase global financing costs and place additional pressure on business investment.
- Energy price fluctuations may affect ocean freight surcharges, inland transportation expenses and overall supply-chain costs.
- Sharp movements in Asian currencies may influence purchasing decisions and the settlement costs of cross-border transactions.
Companies engaged in international trade should continue to monitor exchange rates, energy prices, financing costs and geopolitical developments when preparing quotations and arranging shipments.
Disclaimer: This article is provided for general market information only and does not constitute financial, investment or foreign-exchange advice. Market figures should be checked against the latest official data before publication or use in business decisions.
