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Geomagnetic storms and stock market returns

The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 10 and 100 keV. The stream of particles varies in temperature and speed over time. These particles can escape the Sun's gravity because of their high kinetic energy and the high temperature of the corona. As the solar wind approaches a planet that has a well-developed magnetic field (such as Earth, Jupiter and Saturn), the particles are deflected by the Lorentz force. This region, known as the magnetosphere, causes the particles to travel around the planet rather than bombarding the atmosphere or surface. The magnetosphere is roughly shaped like a hemisphere on the side facing the Sun, then is drawn out in a long wake on the opposite side.
Earth’s magnetosphere provides protection, without which life as we know it could not survive.

Latest GOES Solar X Ray image

Latest Solar Wind Data


There is a growing body of evidence that changes in the geomagnetic field affect biological systems. Studies indicate that physically stressed human biological systems may respond to fluctuations in the geomagnetic field.



geomagnetic storm is a temporary disturbance of the Earth's magnetosphere caused by a disturbance in space weather. Associated with solar flares and resultant solar coronal mass ejections (CME), a geomagnetic storm is caused by a solar wind shock wave and/or cloud of magnetic field which typically strikes the Earth's magnetic field 3 days after the event. The solar wind pressure on the magnetosphere and the solar wind magnetic field will increase or decrease depending on the Sun's activity. The solar wind pressure changes modify the electric currents in the ionosphere, and the solar wind's magnetic field interacts with the Earth's magnetic field causing the entire structure to evolve.


Why should we care about Geomagnetic Storms?
àThere is a growing body of evidence that changes in the geomagnetic field affect biological systems. Studies indicate that physically stressed human biological systems may respond to fluctuations in the geomagnetic field


àMany communication systems use the ionosphere to reflect radio signals over long distances. Ionospheric storms can affect radio communication at all latitudes: damage to communications satellites can disrupt non-terrestrial telephone, television, radio, and Internet links.
àThe Stock Market is effected by Geomagnetic Storms: in a study for the Federal Reserve Bank of Atlanta, Anna Krivelyova and Cesare Robotti found a connection between geomagnetic storms and stock market performance. A large body of psychological research has shown that geomagnetic storms have a profound effect on people's mood and people's mood is a key element in judgments and risk perception (i.e. should I buy or should I sell...)
You can read their paper here:
You may also find interesting this old working paper about shortwave radio propagation correlation with planetary positions by J.H Nelson : you can read it here
You will find my own theory and examples about the connection between some planetary phenomena, the Earth's magnetic field and the stock market in my new book "The Sky Watching Trader"

All living creatures (including traders) stand in an electric field created by the voltage in our ionosphere: if you think for a moment that our nervous system send signals to other cells as electrochemical waves you can easily imagine how we are all sensitive to changes in the Earth's magnetic field.


How often in dry, cold, windy days you have experienced tiny electric shocks when you touch metal objects  due to your increasing  electrostatic charge from the external environment?
Geomagnetic Storms do influence our environment and our body and certain planetary relationships have specific influence on the solar wind and hence on the Earth Geomagnetic Field. You can ignore this fact and maintain your prejudice toward astro trading or you can study these things and learn that you can use the planets for your trading. In this website we provide extensive material and research about planetary and astro trading tolls and studies: not because we believe in the "horoscope of th day" but because we are never tired of studying and learning and we cannot find a better place than the stock market to test what we learn.

"Two things fill the mind with ever new and increasing wonder and awe: the starry heavens above me and the moral law within me"    (Immanuel Kant)



For real-time (update upon page refresh/ page reload) information about the Earth Geomagnetic Field you can visit these links:  
Last 30 Days Daily Geomagnetic Data
27-day Space Weather Outlook Table
WSW Solar Wind Page
Estimated 3-hour Planetary Kp-index

GOES Electron Flux


GOES Magnetometer data

As a trader/investor you should learn to read these charts better than companies' financial statements...Astronomy and astrophysics is a science, accounting is not (sometimes it is an outright fraud...ask to Enron investors what they think about this).

 S&P500 Index and Geomagnetic Storms
 S&P500 Index and Geomagnetic Storms
S&P500 Index and Geomagnetic Storms

*The Geostationary Satellite system, operated by the United States National Environmental Satellite, Data, and Information Service (NESDIS), supports weather forecasting, severe storm tracking, and meteorology research. Spacecraft and ground-based elements of the system work together to provide a continuous stream of environmental data. The National Weather Service (NWS) uses the GOES system for its United States weather monitoring and forecasting operations, and scientific researchers use the data to better understand land, atmosphere, ocean, and climate interactions.
I thank you the NESDIS (and of course the US tax payers who fund it) for the wealth of data made available to the public: posting for free my charts and update through my blog when I spot some interesting correlation between these data and financial markets data is my way to say thank you. Sharing knowledge make us all better! 


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