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BOYD GROUP SERVICES INC MF2-GARCH Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

4.44%

decreased by 1.33%

1 Week

785.48%

increased by 779.71%

1 Month

8,447,350,117,048.54%

increased by 8,447,350,117,042.77%

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 MF2-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
Boundary Parameters

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

MF2-GARCH Model

Tap to view equation

Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
mwindow96
αARCH0.5000
80.19***
βGARCH0.5931
75.48***
γleverage-0.5000
-82.56***
λ₁tau intercept0.0000
0.17
λ₂forecast adj.0.0186
9.23***
λ₃tau persistence0.0000
10.00***

0.843

Persistence

4d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

96
α

ARCH

Response to squared shocks

0.5000
80.19***
β

GARCH

Volatility persistence

0.5931
75.48***
γ

leverage

Additional response to negative shocks

-0.5000
-82.56***
λ₁

tau intercept

Baseline long-term coefficient

0.0000
0.17
λ₂

forecast adj.

Forecast performance sensitivity

0.0186
9.23***
λ₃

tau persistence

Long-term factor persistence

0.0000
10.00***

Persistence:

0.843

Half-life:

4 days