V-Lab
BOYD GROUP SERVICES INC MF2-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
4.44%
1 Week
785.48%
1 Month
8,447,350,117,048.54%
Analysis last updated: Friday, October 2, 2026 at 11:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 30, 2025 to Oct 2, 2026Model 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.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 96 | |
| αARCH | 0.5000 | 80.19*** |
| βGARCH | 0.5931 | 75.48*** |
| γleverage | -0.5000 | -82.56*** |
| λ₁tau intercept | 0.0000 | 0.17 |
| λ₂forecast adj. | 0.0186 | 9.23*** |
| λ₃tau persistence | 0.0000 | 10.00*** |
0.843
Persistence4d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-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
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