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How to Buy Treasury Bills in Kenya — Complete Guide

Updated April 2026 — HelaBora

What are Treasury Bills?

Treasury bills (T-bills) are short-term government securities issued weekly by the Central Bank of Kenya. They are considered the safest investment in Kenya — backed by the full faith of the Kenyan government.

Key features: - Terms: 91 days, 182 days, or 364 days - Current rates (April 2026): 91-day 7.42%, 182-day 7.83%, 364-day 8.27% - Minimum investment: KES 100,000 - Tax: 15% withholding tax on interest - Risk: Essentially zero (government-backed) - Auctioned every Thursday by CBK

How to Buy Treasury Bills

Step 1: Open a DhowCSD Account The Central Depository System (DhowCSD) is where your government securities are held. - Visit: dhow.cds.centralbank.go.ke - You need: National ID, KRA PIN, bank account details - Processing time: 2-5 business days

Step 2: Fund Your Account Transfer at least KES 100,000 to your DhowCSD-linked bank account.

Step 3: Place Your Bid - Log into DhowCSD portal - Select the T-bill auction (published weekly) - Choose competitive (you set the rate) or non-competitive (accept the average rate) - For beginners: choose **non-competitive** — you're guaranteed allocation at the average rate

Step 4: Wait for Allocation - Auction results published same day (Thursday) - T-bill amount deducted from your bank account - Maturity: automatically credited to your bank on maturity date

T-Bills vs Money Market Funds

FeatureTreasury BillsMoney Market Funds
Returns7-8% p.a.8-11% p.a.
MinimumKES 100,000KES 100-5,000
LiquidityLock-in until maturityWithdraw anytime (1-2 days)
RiskGovernment-backed (lowest)Very low (but not zero)
Tax15% WHT15% WHT
AccessDhowCSD portalMobile app / M-Pesa
Best forLarge lump sums, fixed timelineRegular savings, flexible access

Verdict: MMFs offer better returns with more flexibility. T-bills are for investors who want the absolute lowest risk and don't need liquidity.

Frequently Asked Questions

What is the minimum investment for Treasury Bills in Kenya?

The minimum investment for Treasury Bills is KES 100,000. Additional investments must be in multiples of KES 50,000.

How do I buy Treasury Bills in Kenya?

Open a DhowCSD account at dhow.cds.centralbank.go.ke, fund your linked bank account, then bid on weekly Thursday auctions. Choose non-competitive bidding if you're a beginner.

Are Treasury Bills better than money market funds?

T-bills are safer (government-backed) but offer lower returns (7-8% vs 8-11% for MMFs) and require KES 100,000 minimum with no early withdrawal. MMFs are better for most retail investors.