Japan's benchmark 10-year government bond yield climbed 3 basis points to 2.79% on Monday, reversing a brief dip as market participants digested the potential impact of an allocation shift by the Government Pension Investment Fund (GPIF).
The move marks the sixth consecutive session of gains for the key rate, underscoring persistent selling pressure in the Japanese debt market.
The yield advance brings the 10-year JGB rate closer to its highest level in three decades, a trajectory that has intensified debate over the Bank of Japan's independence and policy path.
Traders are closely monitoring whether the GPIF, one of the world's largest institutional investors, may reduce its exposure to domestic bonds, which could further strip demand from the market and accelerate the rise in yields.
This repricing occurs against a backdrop of heightened activity among Japanese asset managers, who are accelerating the launch of new bond funds to capture surging global investor demand for Japanese government debt.
Major institutions including Mizuho and Nomura have expanded their offerings, signaling that foreign appetite remains robust despite the rising cost of borrowing.