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Preliminary note: My timing method are solely the proprietary Amanita pivots where the Bradley model is just one of about 2 dozen indicators taken into consideration. This describes the role of the Bradley model in my work, it certainly is an important indicator, still just one of many. With the aid of the Amanita pivots you can usually predict market turns with an accuracy of +/- 1 trading day (sometimes +/- 2). A Bradley date that is not an Amanita pivot is in most cases meaningless in my work, sometimes it indicates a re-test of the price extreme set with the Amanita pivot. The Amanita pivots are reserved for subscribers. Many thanks to Adriano Rossi for translating the Bradley explanations into Italian.
The Bradley siderograph was developed in the 40ies by Donald Bradley to forecast the stock markets (link book). Bradley assigned numerical values to certain planetary constellations for every day, and the sum is the siderograph. It was originally intended to predict the stock markets. The noted technical analyst William Eng singled out the Bradley model as the only 'excellent' Timing Indicator in his book, "Technical Analysis of Stocks, Options, and Futures" (source: Astrikos).
It is crucial to understand what the siderograph is about since almost all traders (and even and even financial astrologers!) misunderstand it. Over the decades it has been observed that the siderograph can NOT (!!!) reliably predict the direction but only turning points in the financial markets (stocks, bonds, bonds, commodities) within a time window of +/- 4 calendar days (in a few cases up to +/- 7 days). Inversions (i.e. a high instead of a low and vice versa) are quite common. Also, it is not a timing tool for short-term trends but rather for intermediate-term to longer-term trends because the turning window is rather wide.
2010
This is the Bradley standard model (original formula according to Donald Bradley) from December 2009 through January 2011:
The 2 most important siderograph dates 2010 are:
- 3/1/2010
- 8/10/2010
The other Bradley dates are:
- 6/3/2010, 6/9/2010
- 6/26/2010
- 7/8/2010
- 9/11/2010
- 9/30/2010
- 10/25/2010
- 11/15-16/2010
- 12/25-26/2010
Strictly speaking the siderograph dates are potential turning dates, bifurcation points in the language of chaos theory. In addition to the standard model there are 3 other models in the premium area. All Bradley analyses in the free area since 2007 can be found here.
More details
Perhaps you want to know now which one is the "correct" siderograph - the answer is easy: none. Since Bradley's time, dozens of similar models with different parameters have been created, partly optimized with the aid of artificial intelligence and for specific markets (oil, currencies etc.). A date which occurs in several different models is probably important.
Another possibility: you calculate the data yourself with the aid of a financial astrology software, please go to the software-page (I mainly use the Market Trader von Alphee Lavoie).
The older Bradley siderograph charts can be found here. How to receive the raw data: as a subscriber of Amanita Market Forecasting you get the raw data of all four Bradley models from 1990-2010 as a .txt-file (click here to subscribe).
By including declinations, Donald Bradley has (probably unwittingly) created the formula so that it mirrors the usual seasonal pattern ("sell in May and go") - but for this purpose you rather use the seasonal charts and not the siderograph.
In my opinion the only way to construct a successful astrological bullish/bearish model would be either to use the planetary longitudes and synodic cycles of the planets (as researched by Meridian and Matlock), or a transit concentration curve based on the 5-10 major natal charts (as suggested by Koen Van de Moortel). In any way, aspects and declinations, the components of the Bradley, are dynamic by nature and not a good input for a static up/down-model, at least on the mundane astrological level. Another possibility is to predict inversions but to my knowledge all attempts have failed so far.