Bank of England | Database Export source data
| Date | End month Sterling overnight index average (SONIA) rate [a] [b] IUMSOIA |
|---|---|
| 31 Jan 20 | 0.7117 |
| 29 Feb 20 | 0.7098 |
| 31 Mar 20 | 0.0729 |
| 30 Apr 20 | 0.0666 |
| 31 May 20 | 0.0679 |
| 30 Jun 20 | 0.0603 |
| 31 Jul 20 | 0.0603 |
| 31 Aug 20 | 0.0545 |
| 30 Sep 20 | 0.0509 |
| 31 Oct 20 | 0.0547 |
| 30 Nov 20 | 0.054 |
| 31 Dec 20 | 0.0394 |
| 31 Jan 21 | 0.0529 |
| 28 Feb 21 | 0.0512 |
| 31 Mar 21 | 0.0466 |
| 30 Apr 21 | 0.0509 |
| 31 May 21 | 0.0516 |
| 30 Jun 21 | 0.0466 |
| 31 Jul 21 | 0.0506 |
| 31 Aug 21 | 0.0502 |
| 30 Sep 21 | 0.0479 |
| 31 Oct 21 | 0.0503 |
| 30 Nov 21 | 0.0455 |
| 31 Dec 21 | 0.1906 |
| 31 Jan 22 | 0.1989 |
| 28 Feb 22 | 0.4451 |
| 31 Mar 22 | 0.6896 |
| 30 Apr 22 | 0.6907 |
| 31 May 22 | 0.941 |
| 30 Jun 22 | 1.1874 |
| 31 Jul 22 | 1.1909 |
| 31 Aug 22 | 1.6896 |
| 30 Sep 22 | 2.1901 |
| 31 Oct 22 | 2.1838 |
| 30 Nov 22 | 2.9273 |
| 31 Dec 22 | 3.4282 |
| 31 Jan 23 | 3.4269 |
| 28 Feb 23 | 3.927 |
| 31 Mar 23 | 4.1777 |
| 30 Apr 23 | 4.1792 |
| 31 May 23 | 4.4278 |
| 30 Jun 23 | 4.9286 |
| 31 Jul 23 | 4.9304 |
| 31 Aug 23 | 5.1852 |
| 30 Sep 23 | 5.1867 |
| 31 Oct 23 | 5.1861 |
| 30 Nov 23 | 5.1881 |
| 31 Dec 23 | 5.1869 |
| 31 Jan 24 | 5.1881 |
| 29 Feb 24 | 5.1885 |
| 31 Mar 24 | 5.1911 |
| 30 Apr 24 | 5.1998 |
| 31 May 24 | 5.2 |
| 30 Jun 24 | 5.2 |
| 31 Jul 24 | 5.2 |
| 31 Aug 24 | 4.95 |
| 30 Sep 24 | 4.95 |
| 31 Oct 24 | 4.95 |
| 30 Nov 24 | 4.7 |
| 31 Dec 24 | 4.7003 |
| 31 Jan 25 | 4.7037 |
| 28 Feb 25 | 4.4552 |
| 31 Mar 25 | 4.4554 |
| 30 Apr 25 | 4.4592 |
| 31 May 25 | 4.2111 |
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