ISO 20022 · Benchmark curve name
TONATONA
Published definition
Tokyo Overnight Average Rate: Interest rate benchmark - also known as a reference rate or a benchmark rate. It is a measure of the cost of borrowing in the Japanese yen unsecured overnight money market and is the near risk-free rate (RFR) for Japanese yen markets, administered and published by the Bank of Japan. It is sometimes referred to as “TONAR”. Bloomberg ticker is MUTKCALM, and ISDA ISDA FpML Floating rate index code is JPY-TONA.
Additional source information
ISDA FpML Floating rate index code: JPY-TONA/Bloomberg ticker: MUTKCALM.
Code set and usage
Benchmark curve name contains 43 registered codes. Its exact identifier is ExternalBenchmarkCurveName1Code.
Specifies the external benchmark curve name code in the format of character string with a maximum length of 4 characters. The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.
Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.