Japan’s 10-year government bond auction Tuesday saw stronger demand than the 12-month average as elevated yields underpinned buying.
The bid-to-cover ratio was 3.76 compared with 3.29 at the previous sale, and a 12-month average of 3.21. Bond futures pared losses after the result.
The benchmark 10-year yield hit 3.115% on Tuesday, matching its highest level since 1996. A sale of the same tenor last month passed smoothly after yields reached 3%.
Yields above 3% helped draw solid demand at the auction, said Takuya Onizawa, fixed income strategist at Mitsubishi UFJ Morgan Stanley Securities. Concerns over fiscal expansion and the risk that the Bank of Japan is falling behind the curve on inflation have not disappeared, but the appeal of the higher yield outweighed those worries, he said.
In another sign of strong demand at the auction, the tail, or gap between average and lowest-accepted prices, was 0.02, compared with 0.12 last month.
The domestic backdrop has become somewhat more supportive of bonds. Expectations for October rate hikes in both Japan and the US have receded, while Prime Minister Sanae Takaichi’s administration has sought to dispel concerns that it favors reflationary policies or would pressure the BOJ to keep borrowing costs low.
What Bloomberg Strategists say:
Today’s JGB 10-year auction came with solid demand, well above the one-year average and that will be a relief across G-10 bonds. There was also the narrowest tail since June 2025 which is a signal that yields over 3% are bringing in buyers.
However, there is a 10-year Treasury sale Wednesday, then 30-year auctions for Japan and the US later in the week, so bond traders can’t fully relax just yet.
— Mark Cranfield, Markets Live Strategist. Read more on MLIV.
Still, heightened global risks are adding to uncertainty. Treasuries saw renewed selling pressure , pushing longer-dated yields to fresh multi-decade peaks and extending a months-long slide. Meanwhile, mounting fiscal concerns in France have fueled a selloff in government debt, adding to volatility across global bond markets and making investors more cautious about taking duration risk.
Attention now turns to Thursday’s 30-year bond auction, which will provide another test of investor demand for longer maturities.
The rise in Japanese yields has broader consequences at home. Higher government borrowing costs increase the expense of servicing Japan’s large debt burden and can feed through to corporate and household financing costs, potentially weighing on investment.