Treasury bill rates in Kenya this week
Average accepted rates at the latest CBK auction, issue dated 5 October 2026.
Quick answer
The latest CBK auction averaged 8.7694% for 91-day bills, 8.8856% for 182-day and 9.0397% for 364-day. After 15% withholding tax, that is roughly 7.45%, 7.55% and 7.68%.
| Tenor | Average rate | After 15% tax | KSh 100,000 costs |
|---|---|---|---|
| 91 days | 8.7694% | 7.45% | KSh 97,814 |
| 182 days | 8.8856% | 7.55% | KSh 95,569 |
| 364 days | 9.0397% | 7.68% | KSh 90,985 |
Recent auctions
| Issue date | 91-day | 182-day | 364-day |
|---|---|---|---|
| 5 October 2026 | 8.7694% | 8.8856% | 9.0397% |
| 28 September 2026 | 8.7781% | 8.8949% | 9.0431% |
| 31 August 2026 | 8.7692% | 8.9400% | 9.0323% |
| 27 July 2026 | 8.7821% | 8.9545% | 9.0361% |
| 20 July 2026 | 8.7986% | 8.9695% | 9.0415% |
| 22 June 2026 | 8.8206% | 8.7782% | 8.9746% |
| 25 May 2026 | 8.3865% | 8.2113% | 8.5881% |
| 30 March 2026 | 7.4261% | 7.8292% | 8.2815% |
How to buy Treasury bills
Open a CDS account on the CBK DhowCSD portal or app with your ID and KRA PIN, link a bank account, and place a non-competitive bid before 2 p.m. on Thursday. The minimum face value is KSh 50,000. You pay the discounted price on the following Monday and receive the face value, less 15% tax on the discount, at maturity.
Frequently asked questions
When are Treasury bill results released?
CBK holds the auction every Thursday and publishes results the same afternoon or the next morning. Bills are issued on the following Monday.
Are T-bill returns taxed?
Yes, 15% withholding tax applies to the discount (interest).