BOJ Tightening Expectations Send Japanese Bond Yields Soaring

The yield on Japan's benchmark government bond rose to a 30-year high on August 17, 2026, as traders increasingly price in an early interest rate hike by the Bank of Japan.

The 10-year JGB yields slipped past 2.9%, with expectations growing for faster monetary tightening and an earlier-than-expected rate increase.

This move comes after traders began pricing in a potential early hike by the BOJ, contributing to the rise in bond yields.