Research Article

Effect of Ap-Index of Geomagnetic Activity on S&P 500 Stock Market Return

Table 7

Regression Results for Equ. (5), (6) and (8).

DGDSMISMI
(5)(6)(8)
Coefficientp-valueCoefficientp-valueCoefficientp-value

Intercept0.14760.7020-0.00230.52160.00350.3939
SAD-0.35430.55300.00560.3263
e-0.00120.0523
DGD-0.00070.1923
ILLIQ-0.00010.3811
DGDILLIQ-0.00010.0009

Adj. R-squared-0.00270.01150.0585
Obs.240240240