IUQSOIA

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Date End quarter Sterling overnight index average (SONIA) lending rate
[a]
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

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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