The Bradley siderograph was developed in the 1940ies 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 many traders (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 some cases up to +/- 1 week). Inversions (i.e. a high instead of a low and vice versa) are quite common.
In 2011 the Bradley siderograph could not beat random probabilities by much, when taking all turning points into considerations. Only the major turning points (bold & large in the chart) continue to be valuable timing tools *today*.
This is the Bradley standard model (original formula according to Donald Bradley) from December 2011 through January 2013:
In 2012 there are 4 major turning points:
- March 16, 2012
- June 12, 2012
- July 28, 2012
- December 22, 2012
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, which may be quite different. All Bradley analyses in the free area since 2007 can be found here.
Raw data for your own research
Premium subscribers of Amanita Market Forecasting get the data of the four Bradley models for the period 1990-2020 as a .txt file (click here to subscribe). 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, which is too expensive for the average hobby researcher though.