Active Share and Mutual Fund Performance. Antti Petajisto Antti Petajisto is a researcher and portfolio manager at quantPORT, a systematic multi-strategy. A mutual fund combines active positions with a passive position in the benchmark index, which can make the Active Share and Mutual Fund Performance. The data file shows the Active Share of U.S. equity mutual funds, computed over the original factors in performance evaluation applications (see the paper for .

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January published version working paper. Who Has Been Buying U. While the market portfolio is still priced by individual investors based on their collective risk aversion, those individual investors also delegate part of their wealth to active money managers who use that capital to price stocks in the actiive. Related video appearance on CNBC link.

Journal of Empirical Finance, 18 2: Articles 1—19 Show more. Closet indexing increases in volatile and bear markets and has become more popular after The data have been fully refreshed, adding 4 shage years to the earlier sample. We examine the relation between indexing and active management in the mutual fund industry worldwide. Should benchmark indices have alpha? The data file shows the Active Share of U.

What is the fubd cost of active management? When evaluating the impact of Treasury bond supply on long-term rates, most market observers seem to have overlooked two key issues: Selection of an optimal index rule for an index fund A Petajisto.


Antti Petajisto – Google Scholar Citations

Cremers, Petajisto, and Zitzewitz build on the contribution of Fama and French by proposing similar but slightly revised versions of the factors. Leggio, Ryan, and John Coumarianos: Second, the implied price elasticity of demand increases with firm size and decreases with idiosyncratic risk, supporting theoretical predictions. New articles by this author.

Active trading strategies exploiting such inefficiencies produce substantial abnormal returns before transaction costs, providing further proof of short-term mean-reversion in ETF prices. We conclude that Active Share matters for fund performance: However, I find that this scenario is highly unlikely: After a number of requests by both academics and practitioners for the data on Active Share for mutual funds, I am now making the historical data available to everyone. November joint with Max Kozlov.

Petajisto / Data

I find that over my sample period until the end ofthe most active stock pickers have outperformed activ benchmark indices even after fees and transaction costs. The premia have been growing over time, peaking inand declining since then.

To control for stale pricing of the underlying assets, I introduce a novel approach using the cross-section of prices on a group of similar ETFs. If you agree to the above, you may proceed to download the following files:.

Here are the rules for using the data: Portfolio management, Active Share, tracking error, closet indexing. Among patient funds, separating closet index from high Active Share funds matters, as low Active Share funds on average underperform even with patient strategies. You should think of the above data files as mostly mugual extension of the data used by Cremers and Petajistoadding another six years and containing a few methodological tweaks.


Third, we introduce a new concept that we label the index gund cost, which represents a hidden cost borne by index funds and the indexes themselves due to the index premium. Non-index funds with the lowest Active Share underperform.

The Review of Financial Studies 22 9, A hedge fund takes both long and short positions and uses leverage, which makes the active positions cheaper, but this can be offset by the expected incentive fees, especially for more volatile funds. Title Cited by Year How active is your fund manager?

Email address for updates. This “Cited by” count includes citations to the following articles in Scholar. Journal of Financial Marketsrevise and resubmit.

Academic Research

Click here for return data on index-based factors. Representative agent models are inconsistent with existing empirical evidence for steep demand curves for individual stocks. We show why and how to adjust the expense ratio for the level of Active Petakisto and the cost of investing in the benchmark. Critical Finance Review, 2: Active and passive portfolio management mutual funds hedge funds ETFs behavioral finance. Non-index funds with the lowest Active Share underperform their benchmarks.

July published version working paper.