V-Lab: Wal-Mart Stores Inc Zero Slope Spline-GARCH Volatility Analysis

V-Lab

Wal-Mart Stores Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, September 15th, 2025:23.41% (-0.39%)

Analysis last updated: Saturday, September 13, 2025 at 01:08 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

Parameter Estimates

	param	t-stat
$ω$	0.8071	5.86
$α$	0.0523	6.34
$β$	0.9303	81.04
$γ_{1}$	-0.0167	-3.98
$γ_{2}$	0.0266	4.44
$γ_{3}$	-0.0131	-4.16

Estimation Period:
Jan 2, 1990 to Sep 12, 2025

News Impact Curve

Impact of return on volatility tomorrow

Volatility Forecasts

Volatility Forecasts