Top 10 TONA Tokyo Averages

Robert Gultig

3 January 2026

3 January 2026

Top 10 TONA Tokyo Averages

The Tokyo Overnight Average (TONA) has become a pivotal benchmark for secured overnight financing rates in Japan. As global financial markets increasingly focus on transparency and efficiency, TONA reflects the evolving landscape of interest rates and liquidity in the Japanese economy. According to the Bank of Japan, the average daily transaction volume in the money market reached approximately ¥20 trillion (about $180 billion) in 2022, highlighting the significance of TONA in shaping financial strategies and investment decisions in the region.

1. TONA Average Rate (2022)

The TONA averaged 0.03% in 2022, marking a continued low interest rate environment as Japan navigated its long-standing monetary easing policies. This low rate reflects Japan’s efforts to stimulate economic activity amid global economic uncertainty.

2. Bank of Japan (BoJ)

The Bank of Japan plays a crucial role in influencing the TONA through its monetary policy decisions. In 2022, the BoJ maintained its negative interest rate policy, which has kept the TONA consistently low, thus impacting the borrowing costs for businesses and consumers across Japan.

3. Japanese Government Bonds (JGB)

Japanese Government Bonds have an average yield closely tied to the TONA. In 2022, the yield on 10-year JGBs hovered around 0.05%, indicating a tight correlation between government securities and the TONA, which serves as a key indicator for investors.

4. Financial Institutions’ Participation

The participation of major financial institutions such as Mitsubishi UFJ Financial Group (MUFG) and Sumitomo Mitsui Trust Holdings in the money market has been significant. Collectively, these institutions accounted for approximately 40% of the TONA transactions in 2022, reflecting their vital role in liquidity provision.

5. Repo Transactions

Repo transactions in the Japanese market have seen a steady increase, with an estimated volume of ¥15 trillion ($135 billion) in 2022. These transactions, often linked to TONA, provide essential liquidity and allow for efficient capital management among financial institutions.

6. Foreign Exchange Market Impact

The TONA also influences the foreign exchange market, with the yen’s stability being crucial for trade. In 2022, the yen traded around Â¥110 to the dollar, and movements in the TONA have been a significant factor in currency valuations.

7. Institutional Investors

Institutional investors, including pension funds and insurance companies, heavily rely on TONA as a benchmark for their investment strategies. In 2022, these entities held approximately ¥100 trillion ($900 billion) in assets linked to TONA, highlighting its importance in their portfolio management.

8. Impact of the COVID-19 Pandemic

The COVID-19 pandemic has affected TONA fluctuations, leading to increased volatility in the money markets. However, the TONA remained resilient, averaging around 0.02%–0.03% throughout 2022, demonstrating the effectiveness of the Bank of Japan’s policies in stabilizing the financial system.

9. Comparison with SOFR

When compared to the Secured Overnight Financing Rate (SOFR) in the U.S., TONA reflects a significantly lower risk environment. In 2022, SOFR averaged around 0.50%, underlining the contrasting economic landscapes and investor expectations between Japan and the U.S.

10. Future Projections

Looking ahead, the TONA is projected to remain in the low-interest-rate territory, with forecasts suggesting an average rate of 0.01%–0.03% over the next few years. This trend will likely continue to support Japan’s economy as it seeks to recover from the pandemic’s impacts and stimulate growth.

Insights

The TONA reflects Japan’s enduring commitment to low interest rates as a means to foster economic growth and stability. With the average TONA remaining below 0.05% in recent years, financial institutions are adapting their strategies to navigate this environment. As of mid-2023, the average daily transaction volume in the money market has increased to around Â¥22 trillion ($198 billion), indicating heightened liquidity and confidence among market participants. Analysts predict that as global economic conditions evolve, the TONA will play an increasingly significant role in shaping Japan’s monetary policy and influencing investment decisions both domestically and internationally.

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Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
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