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March 27, 2016

ETF vs Index Fund – The Differences

Disclaimer: The writer of this article may have positions in the securities mentioned in this article. The fact they hold positions in securities has had no impact on the production of this article

By Dan Kent

March 27, 2016


Index funds are a hot commodity these days (no pun intended), but there remains some confusion around what exactly an index fund is, and how it differs from an ETF (exchange traded fund). The confusion is heightened when people first learn about leveraged or commodity ETFs. If you’re going to invest in index funds, we think it would be a good step (maybe not step one, but somewhere at the beginning of your learning) to understand exactly an index fund is.



So, What Is An Index Fund?


Let’s get a TL;DR (“too long; didn’t read” in internet parlance) out of the way right now – an index fund is a strategy. An ETF is a legal structure.


We’ve made a Venn diagram to make this visual:


etf vs index fund

So what defines an ETF? Without getting into the weeds too much, an ETF is a type of legal entity, in fact, an investment company, that issues shares just like a publicly traded company. It has an IPO and can even issue shares in the secondary market. And like a publicly traded company, it pursues a specific business – in this case, some sort of investment strategy. That strategy can be passive investing – indexing – or something more “active”.


And what defines an index fund? An index fund is any type of fund that invests according to an index. And that means, again, without getting into the weeds, that the fund just tracks an index, and the managers don’t make active investment decisions (making stock picks, bets on market direction, predictions about the economy, and so on). The index itself has a specific definition – in the case of the S&P 500, the 500 biggest companies trading in the US markets based on market capitalization (number of shares outstanding multiplied by price per share). Because indexes are rules-based, you can track one “passively,” and you don’t have to make any decisions. In essence, investing in an S&P 500-tracking fund means you’re saying “I am happy to just get the return of the overall S&P 500, regardless of what that is.” And there’s good reason to do this (look for other posts on the argument for passive investing).


So if not all ETFs are index funds, what are the rest? Well, there are lots of ETFs that track commodities, or use debt to add leverage, thereby multiplying both gains and losses. In a strict sense, you could argue that these are also passive – they invest in certain futures contracts according to rules. But when you buy them, you’re generally making a prediction about markets, and you’re not going to receive the same return as the underlying asset or commodity spot price (look for other posts on why you can’t “set and forget” an investment in a commodity or leveraged ETF). There are also fully actively managed ETFs, ones where portfolio managers make stock picks. Canadian fund company Horizons run a bunch of these, for example, the Horizons Active Canadian Dividend ETF, which trades under the ticker $HAL.A on the TSX. $HAL.A is managed on an ongoing basis by professional portfolio managers who pick stocks they think offer the best risk-adjusted return with a dividend. And there are ETFs that sit somewhere in the middle – tracking an index with rules, but in a niche sector where an investor would be hard-pressed to argue they’re not making an active bet on that sector, if they owned the ETF. There’s an ETF in the US with the ticker $JETS – and it specifically invests in the U.S. Global Jets Index (U.S. Global is a fund company, and we would argue that they created this index just so they could build an ETF around it – more on how many indexes there are out there in other articles). If you invest in $JETS, you’re probably betting that the global airline industry will do well.


And if not all index funds are ETFs, what are the rest? Well, of course, you can buy an index fund structure as a mutual fund! A mutual fund is a legal structure for a fund. It differs substantially from an ETF because it isn’t publicly traded, and it only gets priced once per day, at the end of trading. If you want to redeem your shares in a mutual fund, you get that day’s price. So what are some examples of index-tracking mutual funds? The big one in Canada is TD e-series – while TD Asset Management runs a ton of active funds, they’ve also reacted to market demand and made index funds available as mutual funds. An example would be $TDB900, or the TD Canadian Index Fund, which tracks the S&P/TSX Composite Total Return Index. In the US, Vanguard runs a bunch of passive mutual funds (they’re not available to Canadian residents).


Index funds and ETFs are not one and the same. But they overlap. Not all ETFs are appropriate for novice investors, and some are arguably dangerous for all non-professionals. But most ETFs are more benign. And no matter what, index investing presents a pretty compelling opportunity for an investor focused on maximising long-term returns.

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Dan Kent

An active dividend and growth investor, Dan has been involved with the website since its inception. Dan is primarily a researcher and writer here at Stocktrades.ca, and his pieces have numerous mentions on the Globe and Mail, Forbes, Winnipeg Free Press, and other high authority financial websites. He has become an authority figure in the Canadian finance niche, primarily due to his attention to detail and overall dedication to achieving the highest returns on his investments. Investing on his own since he was 19 years old, Dan has compiled the experience and knowledge needed to be successful in the world of self-directed investing, and is always happy to bring that knowledge to Stocktrades.ca readers and any other publications that give him the opportunity to write. Dan manages his TFSA, RRSPs and a LIRA at Questrade, and has compiled a real estate portfolio of his primary residence and 2 rental properties, all before his 30th birthday.

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