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Here you will find a wide variety of historical price series along with the tools and techniques necessary to analyze them. The indicators and data span several different time frames. At present the daily and weekly series are the most populated, but we'll be filling in the monthly and longer-term series as we go along.

The basic idea is quite simple. Most charts present a time series and an indicator derived from that series. The initial time series could be the price of a stock market index, an interest rate, a currency or an indicator of some sort. The indicator may have been created by any of a wide variety of technical analysis tools and techniques.

In most cases the charts are highly customizable, so they can be adapted to your needs and risk/reward parameters. Indicators, constants, time span, and periodicity, almost everything is customizable.

Some series have buy and sell signals based on the indicator, where such were easily defined. We analyze such signals in two ways. One, the entry and exit points are marked on the chart with green and red arrows and a table summarizing the performance of the signals is presented below the chart. Two, the performance subsequent to the entry signals is presented in a table for several future time frames along with an estimate of the statistical accuracy of those forecasts. To put it another way, we track both the performance of the signals using their exits and as a function of time passing.

When an indicator is used as a forecasting tool rather than to generate specific buy and sell signals, the level of that indicator is compared to subsequent price action and the results summarized below the chart in a table. The level analysis employed is often a function of the six-month range of the indicator. This table gives you a concrete idea of the predictive power of the indicator and answers questions such as "Do oversold levels work?" "Is it profitable to sell extremely high values of this indicator?" and so on.

That is it in a nutshell: Market timing information that you can rely on. Be our guest and have a look through the site. Information about each series and indicator is included on the appropriate pages. The tables are described in some detail below.

Please let us know what you think, what additional price series and indicators you'd like to see and how we can improve the site to make it more useful for you.

The Trade Table

The trade table is broken up into three sections. Buys, Sells and Totals, each summarizes the data for the period displayed on the chart. If an approach only generates buys and goes long, then the Sell table will be empty. Otherwise all three tables present the number of trades made, the number of wins, the number of losses, the average gain for the winners and the average loss for the losers. The Totals table includes one more line, the total return for that approach.

The Performance Tables

There are two varieties of the future performance tables, signal and level. The signal tables report the performance of the signals in the days and weeks following each buy or sell signal and whether that performance is statistically significant or not. The level tables either consider the position of the indicator in the immediately prior six-month range or the absolute levels if the indicator is bounded. That range, relative or absolute, is cut up into ten slices and future performance is reported by slice. Again, the statistical significance of that performance is reported.


Portions of the site/service uses the following modules / libraries

CGIC Library License and Copyright

CGIC, copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 by Thomas Boutell and Boutell.Com, Inc.. Permission is granted to use CGIC in any application, commercial or noncommercial, at no cost. HOWEVER, this copyright paragraph must appear on a "credits" page accessible in the public online and offline documentation of the program. Modified versions of the CGIC library should not be distributed without the attachment of a clear statement regarding the author of the modifications, and this notice may in no case be removed. Modifications may also be submitted to the author for inclusion in the main CGIC distribution.

GD library License and Copyright
Portions copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 by Cold Spring Harbor Laboratory. Funded under Grant P41-RR02188 by the National Institutes of Health.

Portions copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 by Boutell.Com, Inc.

Portions relating to GD2 format copyright 1999, 2000, 2001, 2002, 2003, 2004 Philip Warner.

Portions relating to PNG copyright 1999, 2000, 2001, 2002, 2003, 2004 Greg Roelofs.

Portions relating to gdttf.c copyright 1999, 2000, 2001, 2002, 2003, 2004 John Ellson (

Portions relating to gdft.c copyright 2001, 2002, 2003, 2004 John Ellson (

Portions relating to JPEG and to color quantization copyright 2000, 2001, 2002, 2003, 2004, Doug Becker and copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Thomas G. Lane. This software is based in part on the work of the Independent JPEG Group. See the file README-JPEG.TXT for more information.

Portions relating to GIF compression copyright 1989 by Jef Poskanzer and David Rowley, with modifications for thread safety by Thomas Boutell.

Portions relating to GIF decompression copyright 1990, 1991, 1993 by David Koblas, with modifications for thread safety by Thomas Boutell.

Portions relating to WBMP copyright 2000, 2001, 2002, 2003, 2004 Maurice Szmurlo and Johan Van den Brande.

Portions relating to GIF animations copyright 2004 Jaakko Hyvätti (

Permission has been granted to copy, distribute and modify gd in any context without fee, including a commercial application, provided that this notice is present in user-accessible supporting documentation.

This does not affect your ownership of the derived work itself, and the intent is to assure proper credit for the authors of gd, not to interfere with your productive use of gd. If you have questions, ask. "Derived works" includes all programs that utilize the library. Credit must be given in user-accessible documentation.

This software is provided "AS IS." The copyright holders disclaim all warranties, either express or implied, including but not limited to implied warranties of merchantability and fitness for a particular purpose, with respect to this code and accompanying documentation.

Although their code does not appear in the current release, the authors also wish to thank Hutchison Avenue Software Corporation for their prior contributions.

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