Fair Interest
CPI-linked — Rating BAA1 (BBB+)
Historical fair interest rates for CPI-linked, rating BAA1. Latest monthly data.
Current Rates — 2026-01-30
Historical Data
Monthly rates for selected maturities (1, 3, 5, 10, 20 years)
| Date | 1 Year | 3 Years | 5 Years | 10 Years | 20 Years |
|---|---|---|---|---|---|
| 2025-02-27 | 4.08 | 4.30 | 4.52 | 4.88 | 5.07 |
| 2025-03-27 | 4.43 | 4.57 | 4.72 | 4.99 | 5.14 |
| 2025-04-29 | 4.15 | 4.52 | 4.98 | 5.58 | 5.88 |
| 2025-05-29 | 4.87 | 4.75 | 4.67 | 4.59 | 4.53 |
| 2025-06-30 | 4.69 | 4.58 | 4.54 | 4.49 | 4.56 |
| 2025-07-31 | 4.63 | 4.45 | 4.40 | 4.39 | 4.42 |
| 2025-08-28 | 4.17 | 4.40 | 4.67 | 5.00 | 5.17 |
| 2025-09-30 | 5.03 | 4.68 | 4.51 | 4.31 | 4.25 |
| 2025-10-30 | 5.28 | 4.39 | 4.10 | 3.75 | 3.70 |
| 2025-11-27 | 5.33 | 4.65 | 4.25 | 3.81 | 3.71 |
| 2025-12-25 | 4.17 | 4.06 | 4.10 | 4.27 | 4.52 |
| 2026-01-30 | 4.15 | 3.93 | 4.00 | 4.11 | 4.28 |
Other Ratings — CPI-linked
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