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Japan's Bond Market Turmoil: Yields Surge Ahead of Election

1/20/2026

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Summary

Story summary

On January 20, 2026, Japan's bond market faced turmoil as yields rose amid concerns over Prime Minister Sanae Takaichi's proposed tax cuts and spending ahead of a snap election.
The 40-year bond yield surpassed 4%, the highest since 2007.
The 30-year yield also spiked.
A weak 20-year bond auction intensified fears of fiscal sustainability, prompting unwinding of positions.
Analysts warn that volatility may require Bank of Japan intervention.

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Story summary

On January 20, 2026, Japan's bond market faced turmoil as yields rose amid concerns over Prime Minister Sanae Takaichi's proposed tax cuts and spending ahead of a snap election.
The 40-year bond yield surpassed 4%, the highest since 2007.
The 30-year yield also spiked.
A weak 20-year bond auction intensified fears of fiscal sustainability, prompting unwinding of positions.
Analysts warn that volatility may require Bank of Japan intervention.