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Showing posts with label AP Index. Show all posts
Showing posts with label AP Index. Show all posts
Tuesday, October 27, 2026

S&P 500 vs. NOAA Kp/Ap Forecasts | October 26–30, 2026

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NOA A's latest 3-Day Kp Forecast  (issued October 27, 2026, at 8:30 AM ET; updated twice daily and shifted +55 hours in the chart below...
Monday, October 19, 2026

S&P 500 vs. NOAA Kp/Ap Forecasts | October 19–23, 2026

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NOA A's latest 3-Day Kp Forecast , updated twice daily, projects a high Monday–Tuesday, low and reversal Wednesday, and recovery into e...
Monday, October 12, 2026

S&P 500 vs. Geomagnetic Ap Index and Kp Index

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S&P 500 vs. Ap Index (May–Nov 2026).    Pro jected Ap Index Peaks  ( +4-Day Lag) = Expected S&P 500 Lows: Oct 14 (Wed), Oct 17 (Sat)...
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...
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