I'm still working on putting together some screens and backtests of small cap value stocks. However, if you read below you may get an idea of some of the criteria I'm looking at.... :)
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Here are some value and/or small cap screen ideas used by others. None of these strategies should be taken at face value, as the past performance does not guarantee any future success. Moreover, trading frictions (turnover) should be considered by anyone before following a strategy:
1)A reader was nice enough to point out the Value 40 Fund which is tracked by the University of Michigan. I haven't spent a great deal of time looking at the history, but on the surface I cannot find information on the specific criteria and rules used to comprise the fund so I am reluctant to use it. That being said, it has crushed the S&P 500 since 2004.
2) The American Association of Individual Investors (www.aaii.com) does a great job of tracking a wide variety of stock screens and includes historical returns. It costs $29 annually for a basic membership. Among the more successful value screens are ones they call 'Piotroski Price-to-Book Screen' and 'Screening for Free Cash Flow'. The performance charts of both are below:


The most successful Growth & Value screen is the 'O'Shaughnessy Tiny Titans' screen which looks for small to microcap value stocks. It's performance has been impressive, however read below for a caveat:

CXOAG did a great job of reviewing some of the AAII screens here. The top he studied are below (a direct quote):
In other words, just because these screens worked in the past, does not mean they will in the future. Recent performance may indicate this trend could be upon the Tiny Titans. In addition, portfolio turnover could create an additional drag on theThe following two charts depict the monthly returns during January 1998 through July 2009 for the two screening approaches with the highest average monthly returns after including approximated trading frictions. The two screens are:
- O'Neil's CAN SLIM, with average monthly return 2.22% (2.79% without trading friction).
- O'Shaughnessy Tiny Titans, with average monthly return 2.17% (2.59% without trading friction).
Each chart includes a best-fit linear trend line as a rough measure of the trend in monthly returns over the sample period, with trend indications as follows:
The monthly return trend line for the O'Neil CAN SLIM screen is flat, indicating steady performance. However, the performance record of this screen has one extremely influential month (June 2009). Without this one month, the average monthly return for the screen is 1.74% instead of 2.22%, and the return trend line slopes noticeably down over time.
The monthly return trend line for the O'Shaughnessy Tiny Titans screen trends noticeably down over time. The name of the screen suggests high trading frictions (bid-ask spreads). This screen has a drawdown of almost 50% during the three months September 2008 through November 2008.
A downtrending monthly return could indicate that:
- The early part of the sample period contains data mining bias (good luck) due to discovery and selection via testing of many screens on the same data set.
- Increasing use of the screen after discovery has depressed its outperformance as more and more investors/traders share its advantage. In other words, the market has adapted to the screen.
- General market conditions have otherwise changed such that what worked earlier in the sample period does not work late
The CANSLIM strategy (current earnings growth, annual earnings growth, new highs, small float, relative strenght leaders, institutional sponsorship, overall market direction) referenced above is discussed by William O'Neil in his book How to Make Money in Stocks: A Winning System in Good Times and Bad, Fourth Edition
The performance chart below:

Hopefully this will give you an idea of some places you can start to do your own research. As mentioned before, I'd like to put together some screens of my own to share with everyone. Also, as a teaser, in a future post I'm going to give you a great (free) website you can use to experiment with your own screens and backtest them....




