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The 5 Biggest Money Mistakes in Switzerland — and How to Avoid Them

Not out of stupidity, but because no one explained the connections: Swiss residents systematically make the same five expensive financial mistakes. Total lifetime impact: CHF 100'000 to over CHF 500'000. The good news: every single one can be fixed in under an hour.

By Thierry Borgeat · Reviewed by Patrick Rissi, CFA and Florian Jauch, CFA · Last updated April 2026 · 12 min read

There are financial mistakes that are obvious: losing money in crypto, casino speculation, Ponzi schemes. And then there are mistakes that no one recognises as mistakes — because they're normal, because everyone makes them, because the bank even actively recommends them. This latter category is the most expensive in Switzerland.

We've seen hundreds of client situations over the last few years. And the same five patterns keep coming up. Not with low-income individuals or people without education — but across all strata, from teacher to doctor, from administrator to CFO. It's not about intelligence. It's about information. And about the fact that conventional Swiss financial education doesn't treat these as mistakes.

This article shows you the five most expensive structural money mistakes in Switzerland, with verified 2026 numbers, concrete calculations, and solutions. At the end you'll find a 30-minute checklist to fix all five on a Saturday morning.

01Mistake 1: Pillar 3a in a savings account

Industry estimates suggest roughly half of all Pillar 3a funds in Switzerland sit in savings accounts currently paying between 0.5% and 1.0% interest. It feels safe — but it's by far the most expensive "mistake" in the Swiss pension system. Not because a savings account is bad, but because it's the wrong vehicle for a 3a horizon of 20, 30, or 40 years.

The math is brutally clear. Anyone who pays the annual maximum (2026: CHF 7'258 for employees with a pension fund) into Pillar 3a and leaves the money in a savings account ends up with a radically different end value after 35 years than someone who invests the same money:

Why this is especially absurd

In Pillar 3a you pay no capital gains tax — it is the most tax-optimal investment vehicle Switzerland offers. That means every franc of market return lands 1:1 in your wealth, without deduction. A 3a savings account is like driving a Ferrari with the handbrake on. The technology is there — you're just not using it.

For investment horizons of 10+ years, the advantages of investing far outweigh the volatility risks. In every 15-year period since 1945, a globally diversified equity portfolio has delivered positive returns. For 3a horizons of 20–40 years, the historical probability of a loss is statistically irrelevant.

The 15-minute fix

Switch away from the 3a savings account. Open a new account with an invested 3a provider, choose an equity allocation of 75–100% (depending on your horizon), and initiate the transfer of your existing 3a balance. The transfer typically takes 2–4 weeks and costs nothing at most providers.

02Mistake 2: Never reading the pension fund statement

Your pension fund statement is the most important financial document you own as a Swiss employee — and most people throw it unread into a drawer. It arrives once a year, has three pages, and contains information that can decide over tens of thousands of francs. On the statement: your accumulated retirement capital, the current conversion rate, your buy-in gap, your risk benefits (disability, death), and coordination deductions.

Two of these numbers are particularly valuable — and are systematically ignored.

The buy-in gap: the underestimated tax lever

The buy-in gap is the amount you're allowed to voluntarily pay into your pension fund — and it's fully deductible from your taxable income. Anyone who had salary jumps, part-time phases, or periods abroad in their career often sees a buy-in gap of CHF 50'000 to over CHF 200'000 on their pension fund statement.

A concrete example: you earn CHF 130'000 gross in Zurich, you're 52 years old, and you buy CHF 25'000 into the pension fund. Your taxable income drops from CHF 130'000 to CHF 105'000. At a combined marginal tax rate of approximately 32% (federal + cantonal + City of Zurich municipal), you save roughly CHF 8'000 in taxes in the buy-in year. The capital isn't lost — it's now in your pension fund and, when later withdrawn, will only be subject to the (much lower) separate capital withdrawal tax.

The conversion rate: decides pension vs. lump sum

The conversion rate determines how much lifetime pension you get per CHF 100'000 of retirement capital. It's legally 6.8% in the BVG mandatory portion, but in the over-mandatory portion at most private pension funds it's only 4.5–5.5% — and falling. Someone with CHF 500'000 in retirement capital and a blended conversion rate of 5.2% gets CHF 26'000 lifetime pension per year. At 6.8% it would be CHF 34'000. A difference of CHF 8'000 per year or (over 25 retirement years) CHF 200'000 in total.

The lower your fund's conversion rate, the more attractive the lump sum becomes compared to the pension. But this decision must be made informed — and for that, you must know your statement.

03Mistake 3: No staggered withdrawal strategy

When you retire at 65, you have money in up to five different "buckets": pension fund, multiple 3a accounts, vested benefits accounts, and free assets. Most people take everything in the same year — because it's "easier", because no one has told them otherwise, because the bank has no incentive to suggest the more complex (and better-for-the-client) strategy.

That's expensive. Very expensive. Because the Swiss capital withdrawal tax is progressive — the more you withdraw in a single tax year, the higher the rate on each additional franc. And all withdrawals in a year (pension fund, 3a, vested benefits, even those of the spouse) are added together.

What you need to do concretely

1. Multiple 3a accounts from the start. Since a 3a account must always be withdrawn as a whole (no partial withdrawal possible), you need multiple accounts to be able to withdraw in different years. Rule of thumb: 4–5 accounts, each up to CHF 50'000. If you only start at 50, open a new account each year.

2. Withdraw pension fund capital in 2–3 steps. Since the AHV21 reform (Art. 13a BVG), all pension funds must allow at least 3 partial withdrawals. So you can spread your pension fund capital across up to three different calendar years. The first tranche must cover at least 20% of the total.

3. Split vested benefits accounts. If you have two vested benefits accounts at different foundations, you can withdraw them in different years. With a single account, you're stuck with a one-time payout.

Golden rule: Never withdraw pension fund, 3a, and vested benefits in the same tax year. That's the most common (and most avoidable) mistake of Swiss retirement reality.

04Mistake 4: Too much cash in the savings account

Switzerland is a country of savers. Many hold CHF 50'000, 100'000, or even CHF 200'000+ in a savings account — "just in case". The intention is good: security, liquidity, buffer for the unexpected. The result is unfortunately bad, for a reason that bank advisory consistently ignores: inflation.

An emergency reserve of 3–6 months of living expenses (for most people that's CHF 15'000–30'000) is sensible and necessary. Anything beyond that loses 1–2% in real purchasing power each year, because inflation outpaces the savings rate. Currently (2026) the best Swiss savings accounts pay around 0.5%, while inflation sits at roughly 1.3–1.5%. That means your real wealth is shrinking by about 0.8–1.0% each year.

Why the savings account still feels "safe"

The reason is a cognitive phenomenon economists call "money illusion": people evaluate their wealth in nominal francs, not in real purchasing power. When the statement shows CHF 100'000, it feels safe — even if that CHF 100'000 in 20 years only buys what CHF 75'000 does today. The number on the account doesn't move, but the reality behind it erodes quietly. It's an invisible loss.

The solution is not to invest the entire buffer — but to find the right balance: emergency reserve (3–6 months) liquid, everything above staggered into a diversified equity portfolio. Set up properly, you get safety and purchasing power preservation.

05Mistake 5: Mortgage not optimised

Most Swiss residents accept their house bank's mortgage offer without negotiating or comparing. And many over-amortise — aggressively paying down the mortgage instead of investing. Both are avoidable mistakes that together can easily cost CHF 50'000–100'000 over the loan term.

Mistake A: Not comparing rates

The difference between the most expensive and cheapest mortgage provider in Switzerland is currently often 0.3–0.5 percentage points for the same term and conditions. On a CHF 500'000 mortgage, that's CHF 1'500–2'500 interest savings per year — or CHF 15'000–50'000 over a 10–20 year term. And all without changing your risk profile.

Platforms like MoneyPark, HypoPlus, Comparis, or directly contacted pension funds and insurers (which often have the best conditions) do the comparison in 1–2 hours of work. Time investment: one afternoon. Savings: potentially the price of a small car.

Mistake B: Direct amortisation instead of indirect

If you need to (or want to) pay down a 2nd mortgage, you have two paths:

Direct amortisation: You pay money to the bank each year. The mortgage shrinks, your debt interest falls, but so does the tax deductibility of debt interest — and the money is "gone" (locked in the property, not in your portfolio).

Indirect amortisation via 3a: You pay the same money into your (invested!) Pillar 3a. The mortgage stays nominally the same, the mortgage interest deduction is fully retained, you additionally get the 3a tax deduction (CHF 7'258/year at full maximum), and the money is invested rather than "put into the wall". At retirement, the 3a capital is used for repayment.

Of course: every situation is different. Anyone close to retirement or with affordability issues should amortise directly. But anyone still 15+ years into their career is systematically losing money with direct amortisation.

06What these 5 mistakes cost together

The most expensive financial mistakes aren't the ones you make — they're the ones you don't know you're making.

And none of these mistakes require a high income or deep expertise to avoid. They only require one thing: that someone explains the connections to you. That's the reason arvy exists. Not because we wanted to be "yet another provider", but because we're tired of seeing these structural mistakes destroy wealth year after year that never needed to be destroyed.

07How to fix them — the 30-minute checklist

08Frequently asked questions

Five mistakes you stop making from today

Knowing the theory is the first step. Applying it is the second. arvy is built so that both come easily: education you actually understand, and an investment setup that automatically avoids the structural mistakes — invested Pillar 3a, vested benefits, free investing, all in one. With three CFA charterholders investing their own money in the same portfolio, and a weekly newsletter that keeps you on strategy during crashes.

Written by Thierry Borgeat, Co-Founder of arvy, and reviewed by Patrick Rissi, CFA and Florian Jauch, CFA. All three invest over CHF 100'000 of their own money in the arvy portfolios. All calculations independently verified using standard financial formulas (annuity-due for annual contributions, compound interest formula for lump sums). 3a maximum 2026: CHF 7'258 for employees with a pension fund. BVG references: Art. 13a and 79b BVG, plus Federal Supreme Court decisions 2C_658/2009 and 2C_6/2021. Last updated April 2026.

Disclaimer: This article is for general educational purposes and does not constitute personal investment, retirement, or tax advice. Amounts cited are estimates and vary by individual situation, canton, and market development. Historical returns are no guarantee of future results. For actual implementation we strongly recommend consulting an independent retirement advisor. arvy is a FINMA-supervised asset manager with a CISA licence. Imprint & Legal Notice.