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

Table 6

Regression Results for Equ. (3) and (4).

	SMI
	(3)		(4)
	Coefficient	p-value	Coefficient	p-value
Intercept	0.0000	1.000	-0.6509	0.5026
DGD	-0.0012	0.0480	-0.0012	0.0489
YEAR	No		Yes
Adj. R-squared	0.0122		0.0099
Obs.	240		240