“Smart beta” has become a buzzword in investing circles, especially among pension funds and other institutional investors. The term may be new, but the idea isn’t: it’s about looking for ways to capture the returns of an asset class with a strategy other than traditional cap-weighting. These alternatives include fundamental indexing, equal-weighted indexes, low-volatility strategies and a few more exotic techniques.
A growing body of evidence has highlighted the inherent flaws in cap-weighted indexes, which are undeniable. By their nature, cap-weighted indexes give the most influence to the largest companies, as well as any that happen to be overvalued. That’s a potential problem because these are companies that are most likely to underperform the broad market over long periods.
A second potential problem with cap-weighted indexes is concentration. This isn’t an issue in huge markets like the US, or in a multi-country index like the MSCI EAFE. But it’s a concern in small countries like Canada (where Nortel once represented about a third of our entire stock market) and in individual sector funds. That’s why I favour the BMO Equal Weight REITs (ZRE) in the Complete Couch Potato portfolio: unlike its competitors,