Japanese government bond yields remained near multi-decade highs on Tuesday as persistent inflation pressures and expectations of further monetary tightening weighed on the market, with a strong auction of super-long-term debt offering only limited relief, Reuters reported.
The benchmark 10-year JGB yield rose 0.5 basis point to 3.090%, staying close to the 30-year high of 3.115% touched last week. Bond yields move inversely to prices.
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Global bond markets have remained under pressure as U.S. Treasury yields climbed to multi-year highs amid concerns that surging oil prices could fuel inflation and lead the Federal Reserve to keep interest rates higher for longer. In Japan, market participants are increasingly pricing in the possibility of another Bank of Japan rate hike by the end of the year.
Strong Demand at 40-Year Bond Auction
Japan's Ministry of Finance sold around 300 billion yen ($1.91 billion) of 40-year JGBs on Tuesday. The bid-to-cover ratio rose to 3.1 from 2.82 at the previous auction in July, marking the highest level since July 2020.
The stronger auction demand provided some support to the super-long end of the market, although investors remain cautious about the outlook for Japanese interest rates and government finances.
Ahead of the auction, Sony Financial Group senior economist Takayuki Miyajima said demand for the 40-year bonds could be supported by insurance companies and overseas investors as yields remain close to record levels, Reuters reported.
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Miyajima also pointed to expectations of additional Bank of Japan rate increases, a potentially higher terminal interest rate and concerns over fiscal expansion as factors continuing to weigh on the JGB market, according to Reuters.
The Ministry of Finance is scheduled to hold an auction of two-year securities on Wednesday.
Super-Long Yields Ease
The yield on the 20-year JGB was unchanged at 3.915%, while the 30-year yield also held steady at 4.170%. The 40-year JGB yield, Japan's longest maturity, declined 0.5 basis point to 4.220%, easing after recent gains.
Shorter-dated bonds also saw some relief. The two-year JGB yield, which is particularly sensitive to expectations for Bank of Japan policy rates, fell 1 basis point to 1.955%. It moved lower after reaching a 31-year high in the previous session. The five-year yield declined 1 basis point to 2.410%, retreating from a record high reached on Monday.
Despite the improved demand at the 40-year auction, investors remain focused on the inflation outlook, oil prices, global bond yields and the possibility of further policy tightening by the Bank of Japan. These factors are likely to remain key drivers for Japanese government bonds as markets assess the path of interest rates through the rest of the year, Reuters reported.
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