Buying an exchange-traded fund can take only a few seconds. Understanding what you are buying requires more work.
Two ETFs may have similar names while holding different investments, following different strategies and exposing you to different risks. A low management expense ratio does not necessarily make one fund the better choice. The ETF still needs to fit your goal, timeline, account and existing portfolio.
If you are wondering how to choose an ETF in Canada, start with these seven questions before placing an order.
Seven questions at a glance
| Question | What you are trying to learn |
|---|---|
| 1. What is the ETF designed to do? | Its investment objective and strategy |
| 2. What does it actually hold? | Its diversification, concentrations and overlap |
| 3. How much risk does it carry? | Whether the underlying investments fit your timeline |
| 4. What will it really cost? | MER, trading expenses, spreads, commissions and currency costs |
| 5. Does it fit the account? | Eligibility, currency and potential tax considerations |
| 6. Can it be traded efficiently? | Its spread, pricing and liquidity |
| 7. What role will it play? | Whether it improves or merely complicates your portfolio |
One of the best places to find this information is the ETF Facts document. Canadian ETF providers publish this short document for each fund. It summarizes the fund’s objective, holdings, risk rating, past performance, costs, trading information and distributions.
1. What is the ETF designed to do?
Begin with the ETF’s investment objective.
An ETF is a container. The label does not tell you everything inside it. One fund might track a broad Canadian stock index, while another selects a narrow group of dividend-paying companies, uses leverage or writes covered calls.
Ask:
- What market or asset class does the ETF cover?
- Does it follow an index or use an active strategy?
- How does it select and weight its investments?
- Is the exposure broad or narrowly focused?
- Is currency hedging part of the strategy?
- Does the fund use derivatives, leverage or options?
If the ETF follows an index, identify the index and understand its basic construction. Two indexes covering the same market can produce different portfolios because they use different eligibility rules, weighting methods or rebalancing schedules.
A market-cap-weighted fund gives larger companies greater weight. An equal-weight fund allocates similar amounts to each company. A factor ETF may favour companies with characteristics such as value, quality, momentum or lower volatility.
These are different strategies, even when their names mention the same country or sector.
Before buying, you should be able to complete this sentence:
This ETF invests in ______ using ______ because I want ______ in my portfolio.
If you cannot explain the fund in plain language, continue researching before investing.
For a broader explanation of how index funds and ETFs work, read Index Funds and ETFs in Canada: A Beginner’s Guide.
2. What does the ETF actually hold?
The fund’s name can be helpful, but its holdings provide the real answer.
Review:
- The largest holdings
- The number of securities
- Geographic allocation
- Sector allocation
- Asset-class allocation
- Exposure to individual companies
- Exposure to foreign currencies
- Any other ETFs held inside the fund
A fund containing hundreds of securities can still be concentrated. For example, several large companies or one dominant sector may represent a substantial portion of the portfolio.
The number of holdings alone also does not measure diversification. Owning several ETFs may create the appearance of diversification while repeatedly holding the same companies.
Check for overlap
Suppose you already own a broad Canadian equity ETF. Adding a Canadian dividend ETF may increase your exposure to many of the same banks, energy companies and telecommunications firms.
That may be intentional. But if you believe the second ETF gives you a completely different source of diversification, the portfolio may not be doing what you expect.
Compare the largest holdings and allocations of a prospective ETF with the funds you already own.
Ask:
- Does this fund add an investment exposure I currently lack?
- Does it simply increase an existing concentration?
- Would one broader fund accomplish the same purpose?
- Am I adding it because my plan requires it or because it recently performed well?
Diversification cannot prevent losses, but it can reduce your dependence on one company, sector or market. The guide on how to diversify your investment portfolio in Canada explains how the different layers fit together.
3. How much risk does it carry?
The risk of an ETF comes primarily from the investments it holds.
An ETF is not automatically conservative because it is diversified or trades on a stock exchange. A concentrated technology ETF, long-term bond ETF, leveraged ETF and broad balanced ETF can behave very differently.
Consider:
- The proportion invested in stocks, bonds and cash
- Geographic and sector concentration
- Credit quality for bond funds
- Interest-rate sensitivity
- Currency exposure
- Use of leverage or derivatives
- Volatility of the underlying investments
- How large a temporary decline you could tolerate
The ETF Facts document includes a risk rating ranging from low to high. This is useful for comparison, but it is not a guarantee. Even an ETF classified as low risk can lose money, and a fund’s risk rating may change.
Risk also depends on what the money is for.
An equity ETF may be reasonable for a long-term goal and inappropriate for money needed for a home purchase next year. The same fund can therefore be suitable for one investor and unsuitable for another.
Before comparing products, determine your ability, willingness and need to accept risk. How to Find Your Investment Risk Profile in Canada explains why these three elements need to be considered together.
4. What will the ETF really cost?
The management expense ratio is important, but it is only one part of the cost.
Management expense ratio
The management expense ratio, or MER, includes the fund’s management fee, operating expenses and applicable taxes. It is expressed as an annual percentage of the fund’s average assets and is deducted inside the fund.
For example, an MER of 0.20% represents approximately $20 annually for every $10,000 invested. The amount changes as the value of the investment changes.
You do not receive a separate MER bill. The cost reduces the fund’s return.
Trading expense ratio
The trading expense ratio represents certain portfolio transaction costs incurred as the fund buys and sells investments. A strategy with high portfolio turnover may create more trading costs than its MER alone suggests.
Bid-ask spread
An ETF trades at two quoted prices:
- The bid is the highest price a buyer is currently offering.
- The ask is the lowest price a seller is currently willing to accept.
The difference is the bid-ask spread. It is an indirect trading cost.
A narrow spread generally makes it easier to buy or sell near the fund’s current value. Wider spreads can matter when a fund is thinly traded, holds less-liquid investments or markets are volatile.
Brokerage commissions
Some Canadian brokerages offer commission-free ETF purchases or trades, while others charge commissions. Commission-free trading does not eliminate the MER, spread or other fund costs.
Review the full pricing schedule of your brokerage rather than relying on a single advertised fee. The comparison of online brokers in Canada examines fees, account availability, currency costs and investing tools.
Currency-conversion costs
A Canadian investor buying an ETF traded in U.S. dollars may need to convert Canadian dollars. The brokerage’s currency-conversion spread or fee can exceed the difference between two funds’ MERs, especially for smaller or frequent transactions.
A Canadian-listed ETF can also hold foreign securities. The currency in which an ETF trades and the currencies of its underlying investments are separate issues.
Tax costs
Distributions and realized gains may create tax consequences in a non-registered account. Foreign withholding taxes may also apply at different levels depending on the fund’s structure, its underlying investments and the type of account in which it is held.
Tax treatment can be complex. Do not choose an unsuitable investment solely to pursue a possible tax advantage.
The relevant comparison is the ETF’s total cost in your situation, rather than its MER in isolation.
5. Does the ETF fit the account where you will hold it?
An investment account and the investments inside it serve different purposes.
A TFSA, RRSP, FHSA or RESP affects contribution rules and taxation. It does not make a risky ETF safe or a poorly diversified portfolio suitable.
Before purchasing an ETF in a registered account, confirm that it is a qualified investment and that your brokerage supports it. The Canada Revenue Agency explains the rules in its guidance on qualified investments for registered plans.
Also consider:
- Whether the ETF trades in Canadian or U.S. dollars
- Whether currency conversion will be required
- The type of income or distributions it may produce
- Whether you may need the money before the account’s intended purpose
- Whether the fund fits with investments held in your other accounts
Portfolio decisions should usually begin with the goal and overall asset allocation. Account-level tax considerations come after you have identified a suitable investment exposure.
6. Can the ETF be traded efficiently?
ETF liquidity is more nuanced than its daily trading volume.
Trading volume shows how often units have recently changed hands. However, ETF units can also be created or redeemed by authorized market participants. The liquidity of the underlying investments therefore matters as well.
Useful indicators include:
- The average bid-ask spread
- The liquidity of the underlying holdings
- How closely the market price follows the fund’s net asset value
- The fund’s assets under management
- Its trading history
- Whether the ETF is new or has an established record
A smaller or newer ETF is not automatically unsuitable. However, you should understand why its trading volume or spread differs from comparable funds.
Market orders and limit orders
A market order seeks an immediate trade at the best available price. The final execution price is not guaranteed.
A limit order sets the highest price you are willing to pay or the lowest price you are willing to accept. It provides more control over price, although the trade may not execute.
Spreads and pricing can be less stable when the underlying markets are closed or during periods of unusual volatility. Avoid treating every ETF trade as mechanically identical.
The Canadian Securities Administrators’ ETF Facts guide explains where to find an ETF’s average bid-ask spread, pricing information, MER, holdings and risk rating.
7. What role will the ETF play in your portfolio?
A good ETF can still be unnecessary.
Before buying, define the job it will perform:
- Core Canadian equity exposure
- U.S. or international equity exposure
- Fixed income
- Short-term savings
- Inflation protection
- A small satellite allocation
- A complete diversified portfolio
Then ask what the purchase will change.
Will it improve diversification? Reduce cost? Bring the portfolio closer to its target allocation? Replace a more complicated group of holdings?
Or will it create another position to monitor without solving a real problem?
Write down the reason before buying
Record:
- The reason for owning the ETF
- Its intended percentage of your portfolio
- The account where it will be held
- How often you will contribute
- When and how you will rebalance
- The circumstances that would justify selling it
This short explanation can prevent a long-term holding from becoming a short-term reaction to performance or financial news.
If you want a portfolio that handles global diversification and rebalancing inside one fund, an all-in-one ETF may be worth considering. It still needs to match your risk profile, but it can reduce the number of decisions required to maintain the portfolio.
A practical ETF comparison worksheet
Before choosing between ETFs, record the same information for each candidate:
| Item | ETF A | ETF B |
|---|---|---|
| Investment objective | ||
| Index or strategy | ||
| Asset allocation | ||
| Largest holdings | ||
| Geographic and sector exposure | ||
| MER | ||
| Trading expense ratio | ||
| Average bid-ask spread | ||
| Trading currency | ||
| Distribution frequency | ||
| Risk rating | ||
| Assets under management | ||
| Role in your portfolio | ||
| Main limitation |
The goal is not to find a fund that wins every row. It is to make the differences visible and choose the ETF that best fits the intended role.
Warning signs that deserve a closer look
Pause before buying when:
- You cannot explain the ETF’s strategy.
- The fund is being marketed mainly through recent performance.
- A high distribution yield is presented as though it were guaranteed return.
- The ETF creates substantial overlap with existing holdings.
- The strategy relies on leverage, derivatives or options you do not understand.
- The spread or currency-conversion cost is large relative to your purchase.
- You are choosing the ETF before defining your asset allocation.
- You expect the fund to eliminate the normal risk of its underlying investments.
- You are adding complexity without a clear benefit.
Complex ETFs are not automatically bad. They simply require more understanding. If you cannot identify the source of their returns, risks and costs, they probably should not form the core of your portfolio.
Frequently asked questions
Should I always choose the ETF with the lowest MER?
No. Cost matters, but the funds must first provide comparable exposure. A slightly cheaper ETF is not a better choice if it follows a different strategy, creates unwanted concentration or does not fit your plan.
When two ETFs provide nearly identical exposure, costs can become an important deciding factor.
Is a larger ETF always better?
No. A larger fund may have an established trading history and tight spreads, but size alone does not determine quality. Review the strategy, holdings, costs, spread and underlying liquidity.
Does a high distribution yield mean a higher return?
No. A distribution is only one component of return. Part of a distribution may come from dividends, interest, capital gains or return of capital. The ETF’s price may also fall by approximately the amount distributed.
Focus on total return, risk and the source of the distribution.
Are Canadian-listed ETFs protected from currency risk?
Not necessarily. A Canadian-listed ETF can hold foreign investments whose values change with foreign currencies.
The ETF’s trading currency, the currency of its underlying holdings and whether the fund uses currency hedging are separate questions.
Can I hold U.S.-listed ETFs in a TFSA or RRSP?
Many securities listed on designated exchanges can qualify for registered plans, but eligibility and tax treatment depend on the investment and account. Confirm availability with your brokerage and consult current CRA information before purchasing.
How many ETFs do I need?
There is no required number. One diversified asset-allocation ETF may be sufficient for some investors. Other portfolios may use several funds to control their asset mix or account placement.
The useful number is the fewest funds needed to implement your plan clearly and consistently.
The bottom line
Learning how to choose an ETF in Canada requires more than comparing recent returns or management expense ratios.
Start with the fund’s objective. Examine its holdings and concentration. Determine whether the risk fits your timeline. Compare total costs, account considerations and trading characteristics. Finally, define the role the ETF will play in your portfolio.
The best ETF is not necessarily the cheapest, largest or most popular one. It is the fund that provides the exposure your plan requires at a reasonable cost and in a form you can understand and maintain.
Before investing, read the ETF Facts document and the fund provider’s current materials. If you are uncertain about suitability, taxation or registered-account rules, consider consulting an appropriately qualified professional.
This article provides general educational information and does not constitute financial, investment, tax or legal advice. Investing involves risk, including the possible loss of principal.