Bank of England | Database Export source data
| Date | End quarter Sterling overnight index average (SONIA) rate [a] [b] IUQSOIA |
|---|---|
| 31 Mar 10 | 0.4707 |
| 30 Jun 10 | 0.5005 |
| 30 Sep 10 | 0.5227 |
| 31 Dec 10 | 0.5564 |
| 31 Mar 11 | 0.5396 |
| 30 Jun 11 | 0.7368 |
| 30 Sep 11 | 0.6487 |
| 31 Dec 11 | 0.4578 |
| 31 Mar 12 | 0.4775 |
| 30 Jun 12 | 0.4586 |
| 30 Sep 12 | 0.3938 |
| 31 Dec 12 | 0.4275 |
| 31 Mar 13 | 0.4203 |
| 30 Jun 13 | 0.3919 |
| 30 Sep 13 | 0.411 |
| 31 Dec 13 | 0.3057 |
| 31 Mar 14 | 0.3342 |
| 30 Jun 14 | 0.3807 |
| 30 Sep 14 | 0.4027 |
| 31 Dec 14 | 0.3565 |
| 31 Mar 15 | 0.4217 |
| 30 Jun 15 | 0.3947 |
| 30 Sep 15 | 0.3518 |
| 31 Dec 15 | 0.3475 |
| 31 Mar 16 | 0.4128 |
| 30 Jun 16 | 0.4416 |
| 30 Sep 16 | 0.1624 |
| 31 Dec 16 | 0.1618 |
| 31 Mar 17 | 0.174 |
| 30 Jun 17 | 0.194 |
| 30 Sep 17 | 0.1991 |
| 31 Dec 17 | 0.4123 |
| 31 Mar 18 | 0.4435 |
| 30 Jun 18 | 0.4399 |
| 30 Sep 18 | 0.6964 |
| 31 Dec 18 | 0.6998 |
| 31 Mar 19 | 0.7036 |
| 30 Jun 19 | 0.706 |
| 30 Sep 19 | 0.7101 |
| 31 Dec 19 | 0.7098 |
| 31 Mar 20 | 0.0729 |
| 30 Jun 20 | 0.0603 |
| 30 Sep 20 | 0.0509 |
| 31 Dec 20 | 0.0394 |
| 31 Mar 21 | 0.0466 |
| 30 Jun 21 | 0.0466 |
| 30 Sep 21 | 0.0479 |
| 31 Dec 21 | 0.1906 |
| 31 Mar 22 | 0.6896 |
| 30 Jun 22 | 1.1874 |
| 30 Sep 22 | 2.1901 |
| 31 Dec 22 | 3.4282 |
| 31 Mar 23 | 4.1777 |
| 30 Jun 23 | 4.9286 |
| 30 Sep 23 | 5.1867 |
| 31 Dec 23 | 5.1869 |
| 31 Mar 24 | 5.1911 |
| 30 Jun 24 | 5.2 |
| 30 Sep 24 | 4.95 |
| 31 Dec 24 | 4.7003 |
Notes:
[a] On 23 April 2018, SONIA was reformed. For further information on the changes made, see the `Background on SONIA reform' section of the following page: www.bankofengland.co.uk/markets/sonia-benchmark
[b] Bank of England SONIA disclaimer. For further information on the disclaimer, see the `Bank of England Database ' section of the following page: https://www.bankofengland.co.uk/legal