U.S. Treasury Yields Drive Japanese Bond Selloff in Rare Role Reversal

The 10-year Treasury yield jumped to 4.56% on July 7, 2026, gaining 8 basis points in one session. Japanese government bonds fell in tandem—an uncommon shift. Typically, Japanese rates move first and influence U.S. markets. This time, cross-border funding flows and big institutional investors made American Treasurys the market leader.