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Sector, Thematic and Leveraged ETFs: Why They Are Not Broad Index Funds

Leveraged ETF risks explained: the daily reset can turn a flat market into a 4% loss. How sector and thematic ETFs differ from broad index funds.

High-risk product. Leveraged products can lose you money quickly, even more than you deposit. Not financial advice.

Leveraged ETF risks start with how they are built: most reset every day, so over weeks or months their return can differ sharply from two or three times the index, and can be a loss even when the index ends where it started. Sector and thematic ETFs are simpler but narrower: they track an index, but of one industry or trend, not the whole market. None of the three does what a broad, low-cost index fund does.

Investing can lose money, and leveraged and inverse products can lose value much faster than a plain fund. This guide explains how each type works and the extra risks. It does not recommend any product.

Broad Index Funds vs Everything Else

A broad index fund holds a whole market, such as hundreds or thousands of companies, weighted by size. That breadth is the point. Our guide to what index investing is explains why.

MoneySense warns against assuming all ETFs are simple: leveraged and inverse ETFs “carry significantly more complex risk profiles” than a plain market-tracking fund. CPF Board leaves “higher risk ETFs” out of the CPF Investment Scheme altogether.

Type What it tracks Main extra risk
Broad index ETF A whole market Market risk; concentration in the largest companies
Sector ETF One industry, such as banks or technology Everything depends on one industry
Thematic ETF A trend, such as clean energy Few companies, popular themes often bought at high prices
Leveraged ETF 2 or 3 times an index’s daily return Daily reset, compounding decay, fast losses
Inverse ETF The opposite of an index’s daily return Daily reset; loses when markets rise

Sector and Thematic ETFs

A sector ETF is a slice of the market. That makes it a bet on one industry’s future rather than a spread across the economy.

Even broad indices can lean heavily on one sector. State Street’s SPY page showed information technology at 36.18% of the S&P 500 on 11 November 2026, and our STI ETF guide shows financials at about 61% of the STI. A technology sector fund on top of an S&P 500 fund doubles down on what you already own.

Thematic ETFs go narrower still, tracking a story such as a technology or a social trend. Points to check:

  • How many companies, and how much sits in the top ten.
  • The total expense ratio, against a broad index fund’s. MoneySense notes that TERs vary widely, from about 0.03% to over 0.5% even among similar ETFs.
  • Trading spread and size. MoneySense says less liquid ETFs can have spreads of 0.5% or more.
  • Why now. A theme is often popular because prices have already risen.

Leveraged ETF Risks: The Daily Reset

FINRA, the US self-regulatory body for broker-dealers, explains: “Most leveraged and inverse ETFs reset each day”. They aim to deliver their multiple of one day’s return. “With the effects of compounding, over longer timeframes the results can differ significantly from their objective.”

Worked example: a flat market

Illustration only. An index starts at 100, rises 10% one day and falls 10% the next. A 2x daily leveraged fund also starts at 100.

Index 2x daily leveraged fund
Start 100 100
Day 1 (+10% / +20%) 110 120
Day 2 (-10% / -20%) 99 96
Result -1% -4%

The index lost 1%. The leveraged fund lost 4%, not 2%. Stretch that to ten days of alternating 5% moves and, before costs, the index ends about 1.2% down and the 2x fund about 4.9% down.

In a steady one-way rise, the leveraged fund can return more than twice the index. In choppy markets, which are common, it decays. FINRA’s conclusion is that these funds “typically are inappropriate as an intermediate or long-term investment”.

Inverse ETFs have the same daily reset. They lose when the index rises, and holding one for long periods compounds the same way.

The short version: a sector or thematic ETF is a concentrated bet; a leveraged ETF is a daily trading tool whose long-run result can be far from its headline multiple. Neither is a substitute for a broad index fund.

Specified Investment Products and the Customer Account Review

MoneySense describes Specified Investment Products (SIPs) as generally more complex than other products, because they may involve derivatives or complicated formulas. Listed examples it gives include structured warrants, futures and daily leveraged certificates. On SGX, SIPs are marked with an “@”; synthetic ETFs are tagged “X@”.

Before trading listed SIPs, your broker must carry out a Customer Account Review (CAR). MoneySense says:

  • You can qualify through relevant education, a finance qualification, relevant work experience, past trades in listed SIPs, or by completing a learning module and passing its test.
  • The CAR outcome expires after three years if you traded a listed SIP only once or not at all in that time.
  • If you do not meet the criteria, you can still go ahead, but the firm must put safeguards in place, such as explaining the product’s features and risks.

Ask your broker whether a foreign-listed leveraged or inverse ETF is treated as a SIP on its platform.

What To Do Next

  • Before buying any sector, thematic or leveraged ETF, check what you already own; our index investing mistakes guide covers overlap.
  • Read the fund’s prospectus and product highlights sheet, especially the objective, the holding period it is designed for and the risk section.
  • Compare costs using our guide to expense ratio, tracking error and spreads.
  • Check that your broker is listed in the MAS Financial Institutions Directory, and check any unfamiliar firm against the MAS Investor Alert List.
  • This is general information, not advice on your situation.

Frequently Asked Questions

Why do leveraged ETFs lose value over time?

Most reset daily, so they deliver a multiple of each day's return, not of the return over a month or a year. In choppy markets, the compounding of those daily moves erodes value even if the index ends flat.

Can I hold a leveraged ETF for the long term?

FINRA says that because they reset each day, leveraged and inverse ETFs typically are inappropriate as an intermediate or long-term investment. Read the fund's prospectus for its stated holding period.

What is a Customer Account Review?

An assessment your broker must carry out before you trade listed Specified Investment Products. MoneySense says the outcome expires after three years if you traded a listed SIP only once or not at all in that time.

Are thematic ETFs index funds?

Many track an index, but the index covers one theme, such as a technology or energy trend, so they hold far fewer companies than a broad index. They behave more like a concentrated bet than a market-wide fund.

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Sources

  1. FINRA: Non-traditional ETFs FAQ
  2. MoneySense: Guide to ETFs, understanding exchange-traded funds
  3. MoneySense: Understanding specified investment products
  4. MoneySense: How to choose between ETFs tracking the same index
  5. CPF Board: CPF Investment Scheme options
  6. State Street: SPDR S&P 500 ETF Trust (SPY) fund page, sector breakdown
  7. MAS: Investor Alert List