V-Lab
BOYD GROUP SERVICES INC MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
64.00%
decreased by 0.84%
1 Week
64.08%
decreased by 0.76%
1 Month
64.30%
decreased by 0.54%
Analysis last updated: Friday, September 11, 2026 at 11:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 30, 2025 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| αARCH | 0.0000 | 0.03 |
| βGARCH | 0.9258 | 109.79*** |
| γleverage | 0.0517 | 11.64*** |
| λ₁tau intercept | 16.6711 | 15.18*** |
0.952
Persistence14d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
α ARCH Response to squared shocks | 0.0000 | 0.03 |
β GARCH Volatility persistence | 0.9258 | 109.79*** |
γ leverage Additional response to negative shocks | 0.0517 | 11.64*** |
λ₁ tau intercept Baseline long-term coefficient | 16.6711 | 15.18*** |
Persistence:
0.952
Half-life:
14 days
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