Bank of Japan decides

Fri, Dec 18 · about 3:00 AMIn 46 days

How markets usually react

US stocks usually have a normal day on Bank of Japan decision days

Big swings, when the S&P 500 rises or falls 1% or more in a day, are about as common on Bank of Japan decision days as on any other day.

Bank of Japan decision days1 in 4

Other days1 in 4

Last time, on Sep 18, 2026, the S&P 500 barely moved (up 0.1%).

Looking back at 80 Bank of Japan decision days since 2016. History, not a prediction.

A calendar of what is scheduled, not a forecast.

This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.

This product uses the Bureau of Economic Analysis (BEA) Data API but is not endorsed or certified by BEA.

BLS.gov cannot vouch for the data or analyses derived from these data after the data have been retrieved from BLS.gov.