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Showing posts with label AP Index. Show all posts
Showing posts with label AP Index. Show all posts
Monday, September 7, 2026

Physics-Based Forecasts of Investment Sentiment | Jeffrey A. Hansen

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Han sen 's February 2026 paper  Physics-Based F orecasts of Investment Sentiment  proposes that shifts in investor optimism and pessimis...
Saturday, August 22, 2026

S&P 500 vs. Ap Index: +3-Day Lag and Limits of Multi-Week Forecasting

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The chart below illustrates the hypothesis that geomagnetic activity, measured by the  pla netary Ap index , precedes trend reversals, as ge...
Friday, May 1, 2026

Federal Funds Rates & Solar Activity: Projection through 2031 | Vladimir Belkin

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The present study compares the serial years of the average solar cycle with the arithmetic mean values of the effective US Federal Funds Rat...
Wednesday, January 21, 2026

"Does the Son of the Dust Know Anything More Beautiful?" | Einar Ben

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Following the intens e Northern Lights displays trigg ered by a  G4 geomagnetic storm  on January 19, 2026, forecasts n ow predict a Kp in...
Thursday, December 19, 2024

Ap Index of Geomagnetic Activity and S&P 500 Returns | Lifang Peng et al.

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Lifang Peng, Ning Li, and Jingwen Pan (2019) test whether the monthly planetary Ap index, used as a proxy for disturbed geomagnetic days, is...
Tuesday, December 17, 2024

Strong Inverse Correlation between Ap Index and Gold Price | Vladimir Belkin

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A strong inverse correlation (coefficient - 0.78 79) between the geo magnetic Ap Index and the gold price, with a one-year lag, is observe...