PRF avoids overexposure to  expensive stocks, which some argue can happen with traditional market cap weighting. The tendency to underweight cheaper stocks then leaves investors underexposed to growth potential, which can rob a portfolio of gains in this department. However, some critics argue that fundamental indexing is a re-packaged value strategy, since most fundamental indexes contain a value tilt, reports Bryan.

Another means to a fundamental indexing strategy comes with an equal-weight index. This is when all of the stocks within the index are given the same amount of allocation. This method is known as “contrarian” but it also tends to go through a higher turnover rate. [New Equal-Weight Emerging Market ETF]

PRF is good for a buy-and-hold investor that can handle a bit of risk. The payoff comes with exposure to companies that can add value to a portfolio by minimizing exposure to established, expensive companies. The small-cap value tilt makes it a good performer during market uncertainty or downturns, while offering outperformance during a healthy market cycle. [Are Investors Loyal to an ETF’s Index?]

Over the long term, value strategies tend to offer risk-adjusted returns and higher total returns than the broad market.

PRF does not lower exposure to stocks whose valuations contract or blindly add to its positions in stocks that become more expensive. Rather, it attempts to replicate an active manager’s strategy of adding to positions that become cheaper and paring back positions as they gain value. This contra-trading approach, which is buying on weakness and selling on strength, helps the fund profit quickly from market mispricing than cap-weighted value funds, as value stocks may remain out of favor for years, explains Bryan.

The 0.39% expense ratio is reasonable, especially when one considers PRF to have attributes of active management. [Focus on Value with Large-Cap ETFs]

PowerShares FTSE RAFI US 1000

Tisha Guerrero contributed to this article.

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