The JBA TIBOR has been calculated and published by the Japanese Bankers Association (JBA) for "Japanese Yen TIBOR" rates since November 1995 and "Euroyen TIBOR" rates since March 1998. The "Japanese Yen TIBOR" rates reflect prevailing rates on the unsecured call market; the "Euroyen TIBOR" rates, the Japan offshore market. Publication of these rates contributes to the development and vitalization of Japan's short-term financial markets.

With the establishment of the Ippan Shadan Hojin JBA TIBOR Administration ("JBATA") on April 1, 2014, JBATA has undertaken the calculation and publication of the JBA TIBOR from the same day.

In addition, due to the permanent cessation of "Euroyen TIBOR" at the end of December 2024, the type of JBA TIBOR is only "Japanese Yen TIBOR" now.

Supplementary information

This change of the publication body in 2014 did not result in any revisions to the definition and calculation methodology of JBA TIBOR. Therefore, the JBA TIBOR can be used in the same manner both before and after this change. For further details, please refer the Q&A published on the JBA TIBOR Administration’s website.

Additionally, the "Report on Review of JBA TIBOR Administration", published on December 27, 2013, provides background information on the establishment of JBATA. More information about the JBA TIBOR is also available on the JBA TIBOR Administration’s website.