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BOYD GROUP SERVICES INC GJR-GARCH Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

38.26%

decreased by 0.26%

1 Week

47.62%

increased by 9.10%

1 Month

53.93%

increased by 15.41%

Analysis last updated: Friday, October 2, 2026 at 11:19 PM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

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 Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 2-day half-life
ParamValuet-stat
ωconst4.1324
1.83*
αARCH0.7191
1.20
βGARCH0.2841
1.32
γleverage-0.6672
-1.09

0.670

Persistence

2d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1324
1.83*
α

ARCH

Response to squared shocks

0.7191
1.20
β

GARCH

Volatility persistence

0.2841
1.32
γ

leverage

Additional response to negative shocks

-0.6672
-1.09

Persistence:

0.670

Half-life:

2 days