How to Buy T-Bills in Singapore Using CPF-OA and SRS (2026 Step-by-Step Guide)

A complete guide to applying for Singapore Government T-bills through your CPF Ordinary Account, SRS, or cash — with yield comparisons and honest analysis for 2026.

Singapore T-bills are short-term government securities issued by MAS — available in 6-month and 1-year tenors — that you can buy using CPF-OA funds, SRS savings, or cash. In October 2026, the 1-year T-bill yielded 1.92% while the 6-month T-bill is expected near 2.35–2.40%. Crucially, your CPF-OA earns a guaranteed 2.50% floor rate, so this guide helps you decide whether to apply and which route to take.

Not financial advice. All figures are for educational reference only. T-bill yields change with every auction. Data as at October 2026 unless noted.

Table of Contents

What Are Singapore T-Bills?

Singapore Treasury Bills (T-bills) are short-term debt securities issued by the Singapore Government through the Monetary Authority of Singapore (MAS). Unlike Singapore Savings Bonds (SSBs), T-bills are issued at a discount — you pay less than face value, and at maturity you receive the full face value. The difference is your return.

MAS currently issues two T-bill types: the 6-month (26-week) and the 1-year (52-week) T-bill. Auctions are held roughly every two weeks for the 6-month bill and monthly for the 1-year bill. Minimum application is SGD 1,000 with further multiples of SGD 1,000.

Source: MAS T-bill auction results, October 2026. 6M yield is an estimate based on recent auction trends.

How to Buy T-Bills Using CPF-OA (Step-by-Step)

You can invest your CPF Ordinary Account (OA) savings in T-bills through the CPF Investment Scheme (CPFIS). The process runs through three banks: DBS, OCBC, and UOB — via their ATMs or internet banking platforms. Your CPF-OA funds must first be in a CPF-OA investment account (CPFIA) with one of these banks before you can apply.

Before you start: MAS requires you to retain at least SGD 20,000 in your CPF-OA at all times. Only funds above this threshold can be invested in T-bills via CPFIS.

Step-by-Step: CPF-OA T-Bill Application

1. Open a CPFIS Investment Account — if you don’t already have one, open a CPFIA with DBS, OCBC, or UOB. This is a one-time setup step, done in person or online with your bank.
2. Transfer funds from CPF-OA to CPFIA — log in to your bank’s internet banking portal and transfer the amount you wish to invest (above your SGD 20,000 retained balance) from your CPF-OA into your CPFIA.
3. Apply via bank ATM or internet banking — during the T-bill auction window (typically 6–10 business days before the issue date), log in to your DBS/OCBC/UOB internet banking. Navigate to Investments → Singapore Government Securities (SGS) → T-Bills and submit your application. Select Non-Competitive Bid for guaranteed allotment.
4. Wait for allotment — on the issue date, MAS allocates T-bills. Non-competitive bids are always fully allotted. Any unallocated funds are returned to your CPFIA.
5. At maturity — the face value (SGD 1,000 per unit) is credited back to your CPFIA, which you can then transfer back to CPF-OA.

Key tip: Always select Non-Competitive Bid when applying with CPF-OA funds. Competitive bids carry the risk of being cut off if your bid yield is too low. For CPFIS applications, non-competitive bids guarantee full allotment at the weighted average cut-off yield.

How to Buy T-Bills Using SRS (Step-by-Step)

If you have a Supplementary Retirement Scheme (SRS) account, you can also invest your SRS savings in T-bills. This is one of the most compelling use cases for idle SRS funds — your SRS bank pays a negligible 0.05% on cash balances, while T-bills offer significantly higher returns. For a deeper look at SRS investment platforms, see the passive income Singapore guide on TKN.

SRS T-Bill Application Steps

1. Log in to your SRS operator’s platform — your SRS account is held at DBS, OCBC, or UOB. Access their internet banking with your SRS account credentials.
2. Navigate to SGS / T-Bill applications — under Investments → Government Securities, select T-Bills. The same application window applies as cash applications.
3. Enter amount and bid type — enter the amount (multiples of SGD 1,000) and choose Non-Competitive Bid. SRS funds are debited immediately upon application.
4. Confirm and submit — review and confirm. You’ll receive a confirmation and await the issue date allotment.
5. At maturity — proceeds (principal + discount return) are credited back to your SRS account.

Your SRS T-bill returns are sheltered within the SRS wrapper — no tax is payable until you withdraw from SRS, and withdrawals after age 62 are taxed at 50% of your prevailing income tax rate. This makes SRS T-bills highly tax-efficient for high-income earners.

Buying T-Bills with Cash

Cash T-bill applications can be made through DBS, OCBC, or UOB internet banking, or via ATMs. You will need an individual CDP (Central Depository) account linked to one of these banks. The process is straightforward:

1. Log in to your bank’s internet banking → Investments → T-Bills
2. Enter amount (min SGD 1,000), select tenor (6M or 1Y), choose Non-Competitive Bid
3. Confirm. Funds are debited from your bank account.
4. At maturity, face value is credited to your linked bank account.

Cash applications also work through the SGX website and via MAS’s primary dealer network. For a full step-by-step on cash SGS applications, see the Singapore T-bills 2026 guide.

CPF-OA vs SRS vs Cash: Which Route Is Best?

The right application route depends on where your idle funds are sitting and your tax situation. The chart below summarises the key comparison across all three methods.

Source: MAS, CPF Board, DBS/OCBC/UOB SRS terms 2026. The Kopi Notes.

Source: CPF Board 2026, MAS 2026, DBS/OCBC/UOB published rates. The Kopi Notes.

Current T-Bill Yields 2026 and What to Expect

T-bill yields in Singapore have trended downward from their 2023 highs of over 4%. In the current easing rate environment, yields have compressed significantly — the October 2026 1-year T-bill cleared at 1.92%, a multi-year low. The 6-month T-bill typically carries a slightly higher yield due to the inverted curve, with recent auctions settling around 2.35–2.40%.

Source: MAS T-bill auction results October 2026. CPF Board 2026 rate. The Kopi Notes.

For the upcoming 6-month T-bill on 22 October 2026, market expectations point to a cut-off yield around 2.30–2.45%. You can track the latest auction announcement and results at the MAS SGS website.

Is It Still Worth Buying T-Bills with CPF-OA?

This is the most important question for 2026. With the 1-year T-bill yield at 1.92% and the CPF-OA floor rate at 2.50%, using CPF-OA to buy 1-year T-bills is no longer beneficial — you would earn less than the guaranteed CPF-OA rate. For the 6-month T-bill, with yields around 2.38%, you are still marginally below the 2.50% CPF-OA floor.

The calculus changes if you believe T-bill yields will rebound — but you would need to successfully time multiple auctions for this to pay off. For most investors, the CPF-OA T-bill application is best skipped in the current environment unless yields rise clearly above 2.50%.

However, for SRS investors, T-bills remain highly attractive. Your SRS cash sits at 0.05% in your bank — any T-bill yield above this (even 1.92%) represents a massive improvement. For retirement planning in Singapore, maximising SRS returns is critical. Pair your T-bill strategy with a Singapore retirement calculator to model your overall retirement income picture.

For cash applications, compare T-bill yields against current fixed deposit and HYSA rates. With some banks offering FDs at 2.0–2.5% for 6-12 month tenors, T-bills may still offer competitive or better returns — check the Singapore T-bills 2026 guide for a full comparison. Platforms like Endowus (referral code 2V343) and FSMOne (code P0544985) also offer fixed income funds and cash management accounts that may outperform T-bills in the current environment.

Key Application Dates and Deadlines 2026

T-bill application windows typically open about 6–10 business days before the issue date and close on the closing date (usually 9pm on a Tuesday). Check the MAS issuance calendar for all upcoming auction dates.

Source: MAS SGS issuance procedures 2026. Exact dates vary — always confirm on the MAS website. The Kopi Notes.

For a broader view of how T-bills fit into your fixed income strategy, the Singapore Savings Bonds guide covers the complementary SSB instrument, which offers more flexibility for retail savers. You can also compare platforms via the Syfe referral code page (code SRPRFFFCD) if you prefer a managed approach to fixed income within SRS.

Frequently Asked Questions