Japan’s benchmark 10-year government bond yield rose to 2.93% in morning trading on the 17th, reaching its highest level since September 1996 — a roughly 30-year high. Since bond yields and prices move in opposite directions, the value of Japanese government bonds has fallen to its lowest level over the same period.
According to the Nikkei, the 10-year JGB yield touched 2.93% in Japan’s bond market on the day before fluctuating at elevated levels. The move is widely interpreted as the result of expectations for an early Bank of Japan rate hike fueling bond selling.
Market attention is now squarely focused on the timing of the BOJ’s next rate increase. Following the joint U.S.-Japan currency market intervention late last month, in which both countries bought yen, expectations have rapidly spread that the BOJ could raise its policy rate as early as September. As a result, selling pressure on government bonds has intensified while buying interest has weakened, the Nikkei reported.
Reports that the U.S. government demanded a September BOJ rate hike as a precondition for the joint currency intervention also affected market sentiment. With growing speculation that Washington supports early monetary tightening by the BOJ, bond investors have moved to reduce risk exposure.
Within the Bank of Japan itself, voices favoring additional rate hikes have emerged. According to the summary of opinions from last month’s monetary policy meeting released by the BOJ on the 10th, one member noted that the timing of future rate hikes “could be earlier than the market expects.” Another member stated that “one cannot say the risk of waiting is small,” expressing the view that the pace of adjustment in the degree of monetary easing may need to be accelerated.
The Bank of Japan has been gradually raising its policy rate this year, moving away from the ultra-loose monetary policy that had been in place for an extended period. Market participants view the sharp rise in JGB yields as reflecting a reassessment of the pace of the BOJ’s policy shift.
With Japan’s 10-year yield approaching 3%, some analysts suggest the attractiveness of yen-denominated assets could shift. Rising rates may act as a tailwind for the yen, but they also increase the Japanese government’s interest burden and raise corporate borrowing costs. Concerns are also mounting over potential valuation losses at the Bank of Japan, which holds massive amounts of Japanese government bonds.
However, some market observers caution that given the steep pace of the recent yield surge, the possibility of a technical correction cannot be ruled out. Whether the BOJ actually proceeds with a September rate hike or instead sends a message aimed at tempering market expectations will be the next key point to watch.