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V-Lab

BOYD GROUP SERVICES INC GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

39.93%

increased by 0.83%

1 Week

42.72%

increased by 3.62%

1 Month

43.61%

increased by 4.51%

Analysis last updated: Friday, July 24, 2026 at 10:21 PM UTC

Date Range:

from

to

6M ·

All

graph of BOYD GROUP SERVICES INC GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 30, 2025 to Jul 24, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
5.40***
α

ARCH

Response to squared shocks

0.3318
2.21**
β

GARCH

Volatility persistence

0.1612
1.55
γ

leverage

Additional response to negative shocks

-0.2948
-1.83*

Persistence:

0.346

Half-life:

1 days