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The Bank of Japan’s “yield curve control policy” could be on its way out as central banks around the world raise rates to beat inflation.

The U.S. isn’t usually thrilled when a country intervenes in its own currency. But boosting the yen is likely to help Japan’s economy, which could help the U.S. in turn.

A lot of investors were betting that the Bank of Japan would join other central banks in hiking rates to beat back inflation.

Despite global and domestic inflation, Japan’s central bank held interest rates near zero. But it’s just hinted that this policy will change.

Some are saying this amount is too little.

Japan now has 10-year government bonds with a negative yield. Investors want them.