Chasing More Than 4%? How Singapore Investors Can Use CPFIS to Screen Funds, Minimise Fees, and Grow Retirement Savings

For Singapore investors aged 28 to 50, the CPF Investment Scheme (CPFIS) represents a powerful but often underused tool to grow retirement savings beyond the standard CPF interest rates. Yet the ability to invest CPF savings in approved unit trusts, investment-linked insurance products (ILPs), and ETFs does not automatically translate into better outcomes. Success depends on a disciplined screening process — one that carefully evaluates historical fund performance, expense ratios, risk ratings, and compares potential returns against the CPF interest rate floor.

This guide unpacks exactly how to use CPFIS to screen funds like an informed investor. You will get a step-by-step workflow, learn what metrics truly matter, and discover the common mistakes that can quietly erode your retirement nest egg. Whether you are investing from your Ordinary Account (OA) or Special Account (SA), the principles remain the same: screen rigorously, keep costs low, and let the power of compounding work for you.

Understanding CPFIS and What It Can (and Cannot) Do for Your Retirement

Under the CPF Investment Scheme, members can invest a portion of their OA and SA savings in a curated list of approved products. For the OA, you can invest funds above the first S$20,000 after setting aside the required minimum in your CPF accounts. For the SA, the threshold is S$40,000. The product list includes more than 200 unit trusts, ILPs, ETFs, and a handful of other instruments, all vetted by the CPF Board for their track record and fee structure.

But simply having access to these funds does not mean you should invest indiscriminately. The OA earns a guaranteed 2.5% per annum, while the SA earns 4% (with an extra 1% on the first S$60,000 of combined balances). Any fund you pick through CPFIS must reliably beat these floor rates on a risk-adjusted basis over a meaningful time horizon — otherwise you are taking on extra risk for no good reason. This makes the screening process absolutely critical.

Step 1: Define Your Risk Profile and Investment Time Frame

Before you even look at a fund factsheet, clarify your own risk tolerance and how many years you have until you need the money. A 45-year-old with 20 years to retirement can afford a different risk posture than a 55-year-old planning to draw down in less than a decade. Most CPFIS-eligible funds display a risk rating based on the Singapore framework (often a 1–6 scale, where 1 is lowest risk).

Use a simple rule of thumb: if you cannot stomach a 15–20% paper loss during a market downturn, stick to funds rated 1–3 (money market, short-duration bond, or balanced income). If you have a long runway and are comfortable with volatility, higher-risk equity funds (rated 4–5) may offer better long-term upside. Never pick a fund purely because a friend recommended it — your age, income stability, and nearness to retirement are unique to you.

Step 2: Set the Right Benchmark — the CPF Interest Rate Hurdle

The 2.5% OA rate and the 4% SA rate are not just background numbers; they are the hurdle every fund must clear. When screening CPFIS funds, compare the fund’s annualised return over 3, 5, and 10 years against these rates, but also account for fees. A fund that delivers 4.2% before costs but charges 1.8% in total expense ratio (TER) leaves you with only 2.4% — well below the SA floor.

A practical approach is to require a net return that exceeds the relevant CPF interest rate by at least 1–2 percentage points annually. Why the margin? Because the guaranteed CPF rates carry zero risk to your principal, while market-linked funds expose you to capital losses. If an equity fund cannot beat the OA 2.5% rate over a full market cycle, you are essentially paying fees for uncompensated risk.

Step 3: Analyse Historical Performance — Look Beyond the Top-Line Number

When screening funds, investors often fixate on the latest 1-year return. A more reliable evaluation looks at rolling returns, consistency, and downside protection. Gather the fund’s annual returns for the past 5 years and ask: how many years did it lag behind its stated benchmark? How did it perform during the last major drawdown, such as the early-2020 COVID crash or the 2018 correction?

Check the fund’s Sharpe ratio, which measures return per unit of risk, and its maximum drawdown. A fund with a deep 35% drawdown might scare you into selling at the worst possible time, even if the long-term average looks attractive. If the fund has existed for 10 years or more, compare its cumulative performance to a low-cost global equity ETF to gauge whether active management truly added value.

Step 4: Decode Expense Ratios and Hidden Costs

Cost is the single most predictive characteristic of future fund performance — high fees consistently drag down net returns. In Singapore, CPFIS-approved unit trusts can still carry front-end sales charges (often up to 3%), annual management fees of 1.0–1.5%, and other administrative charges baked into the total expense ratio.

As you screen, look beyond the headline management fee and find the TER in the fund’s factsheet. Even a 0.5% difference in annual expenses compounds dramatically over 20 years. For example, a S$50,000 investment growing at 5% gross will yield over S$120,000 after 20 years at a 0.5% TER, but only about S$98,000 at a 2.0% TER — a S$22,000 gap. Favor passively managed index funds and ETFs inside CPFIS when available; they typically charge TERs below 0.5%, giving you a much larger head start against the CPF floor.

Step 5: Assess Risk Ratings, Fund Size, and Manager Tenure

The final screening layer examines the qualitative indicators of a fund’s stability. First, confirm the risk rating (SRRI or equivalent) aligns with your profile from Step 1. Second, check the fund’s size — a very small fund (under S$50 million) may face closure risk or illiquidity. Third, investigate how long the current portfolio manager has been running the strategy. A recent change without a clear track record should give you pause.

Also scan for currency risk. Many CPFIS-eligible funds are denominated in USD, EUR, or GBP. If you are investing OA savings in SGD, unhedged currency exposure can amplify returns but also add an extra layer of volatility. Over a multi-year horizon, currency moves can wipe out a fund’s outperformance or, conversely, mask a mediocre strategy.

Common Mistakes Singapore Investors Make with CPFIS

Even sophisticated investors fall into predictable traps when picking CPFIS funds. Understanding these mistakes upfront can save you thousands of dollars.

1. Chasing top performers. A fund that tops the charts over one year often achieved those results through concentrated bets or luck. Rather than gravitating toward the winner, diversify across a few carefully vetted funds with different styles.

2. Ignoring the CPF interest rate comparison. It is surprisingly common to celebrate a 3% net return from an OA-invested fund while forgetting the OA itself already earns 2.5% with zero volatility. A tiny edge does not justify the risk.

3. Overlooking ILP mortality charges. If you select an ILP through CPFIS, you pay insurance charges on top of fund-level fees. These layered costs frequently make ILPs the most expensive option. Unless you specifically need the insurance cover, stick to pure unit trusts or ETFs.

4. Trading too frequently. CPFIS imposes administrative fees for switches, and frequent trading locks in costs that compound against you. Most retirement investors are better served by a buy-and-hold strategy reviewed once or twice a year.

5. Forgetting to re-evaluate. As you age, your risk capacity changes. A fund that suited a 35-year-old may be too aggressive for a 50-year-old. Build an annual review into your calendar to re-screen holdings against your updated risk profile and the CPF interest rate threshold.

Frequently Asked Questions

Can I lose my CPF savings through CPFIS investments?

Yes, market-linked products carry principal risk. Your capital is not guaranteed by the CPF Board. However, you can only invest a portion of your savings, and the remaining uninvested balance continues to earn the guaranteed CPF rates. This structure limits the overall impact of a poor investment.

What is the minimum amount I need to start investing with CPFIS?

You generally need at least S$20,000 in your OA (before the extra can be invested) or S$40,000 in your SA. Each bank or product platform may also impose their own minimum investment sums, often starting from S$1,000.

How do I compare fund expense ratios easily?

Fund factsheets and the CPF Board’s own comparative tables provide total expense ratios. Focus on the “TER (retail class)” figure. Platforms like FundSuperMart or dollarDEX aggregate TER data, allowing you to sort by cost. Prioritise funds with a TER below 1% unless there is a compelling, consistent track record of outsize returns.

Are ETFs inside CPFIS cheaper than unit trusts?

In nearly all cases, yes. CPFIS-eligible ETFs typically charge TERs between 0.15% and 0.60%, whereas actively managed unit trusts often range from 1.0% to 2.0%. Over a 20-year horizon, the ETF cost advantage can add tens of thousands of dollars to your retirement account.

Summing Up: A Disciplined Screen is Your Retirement Edge

Using the CPF Investment Scheme to pick funds is not about finding the next star performer. It is about building a systematic process — anchor your return expectations to the CPF interest rate floor, filter out expensive options, measure risk against your personal timeline, and avoid the behavioural mistakes that erode most investors’ gains. Even an extra 1.5% net return above the CPF rates, compounded over two or three decades, can mean the difference between a modest retirement and a comfortable one.

Review your current CPFIS holdings today. Run them through the five-step screen described here. If a fund does not clear the hurdle, exchange it for a more suitable alternative. Your future self — holding a healthier CPF balance at 65 — will thank you for the discipline you exercise now.