Mind The Spread


At almost every conference and ETFs 101 webinar we do, you'll hear us saying again and again that spreads matter.

In fact, getting investors to understand the importance of spreads, depth of book, and limit orders make up the bulk of the live trading sessions we do.

After all, next to expense ratios, the spreads and commissions you pay on your ETF trades are one of the only things knowable in advance and, depending on your time horizon, they can have a real impact on your performance.

One of the maxims we always put out there, almost as an oddity, is that ETFs can often be more efficient than the stocks they're composed of. We usually pull a chart of an extreme case to prove the point:an enormously liquid ETF, like the iShares Emerging Markets ETF (NYSEArca:EEM) and its comparatively wide-spread and thinly traded stocks-thinly traded by New York Stock Exchange standards, anyway.

When it came time to update the chart, however, I took a different approach.

Instead of hunting for illiquid underlying stocks and super-liquid ETFs, I went for the opposite. I cast around for an example of an ETF with thin volume, where the portfolio was small enough so that most investors could, if they wanted, just buy all the stocks themselves. Surely in such a case, the spreads of the liquid stocks would beat the spreads of the illiquid ETF, right?

Software was the perfect place to look, and IGV was our poster child. IGV is the iShares S&P North American Technology-Software Index Fund (NYSEArca:IGV). It holds 54 stocks, including some of the most liquid companies in the world, like Microsoft and Oracle. IGV, however, is a wee bit less liquid, trading less than 50,000 shares on an average day.

Highest 30-Day Avg. Volume Lowest 30-Day Avg. Volume IGV
30-Day Avg. Volume 30-Day Avg. Volume 30-Day Avg. Volume
MSFT 46,503,924 PEGA 106,587 46,231
ORCL 25,604,260 MSTR 124,688
ATVI 8,684,753 ULTI 145,143
SYMC 8,235,846 TYL 149,257
EA 5,496,971 FICO 150,580
ADBE 4,406,491 ADVS 160,822
FTNT 3,477,463 WBSN 169,749
CA 3,385,551 VRNT 197,876
TIBX 3,203,487 JDAS 213,035
TIVO 2,975,281 SNCR 255,080

Even the least liquid stocks in the ETF trade more than the ETF itself.

So we picked a day and ran the weighted average spread of all the securities in the fund, vs. the fund itself.

Don't forget to check IndexUniverse.com's ETF Data section.

Copyright ® 2012 IndexUniverse LLC . All Rights Reserved.

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of The NASDAQ OMX Group, Inc.

This article appears in: Investing , ETFs

Referenced Stocks: EEM , IGV



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