G5 Risk-Free Rates & Net Interest Margins

Historical annual data (1970-2024): Overnight rates and banking sector margins

Historical overnight risk-free rates from central banks — Updated: 7/4/2025
Net Interest Margin spreads from FRED and central bank data — Updated: 7/4/2025

About These Charts

Risk-Free Rate Definitions

  • SOFR (US): Secured Overnight Financing Rate - broad Treasury repo rate
  • €STR (EU): Euro Short-term Rate - unsecured overnight borrowing costs
  • SONIA (UK): Sterling Overnight Index Average - unsecured overnight rate
  • TONAR (JP): Tokyo Overnight Average Rate - unsecured call rate
  • CORRA (CA): Canadian Overnight Repo Rate Average - general collateral repo rate

Net Interest Margin (NIM)

  • Definition: Difference between interest earned and paid by banks, as percentage of assets
  • Profitability Measure: Key indicator of banking sector health and efficiency
  • Historical Trends: Generally declining since 1970s due to increased competition
  • Rate Environment: NIMs typically compressed in low rate periods (2008-2020)

Data Sources

Risk-Free Rates:

SOFR: Federal Reserve Bank of New York

€STR: European Central Bank

SONIA: Bank of England

TONAR: Bank of Japan

CORRA: Bank of Canada

Net Interest Margins:

NIM Data: Federal Reserve Economic Data (FRED)

EU Banking: ECB Statistical Data Warehouse

UK Banking: Bank of England Statistics

JP Banking: Bank of Japan Financial Data

CA Banking: Bank of Canada Financial Indicators

Historical annual data spanning 1970-2024. Risk-free rates represent year-end values, while NIM data reflects annual banking sector averages. All data sourced from official central bank and statistical releases.