V-Lab
Boardwalk Real Estate Investment Trust Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
17.05%
increased by 0.59%
1 Week
17.99%
increased by 1.53%
1 Month
19.30%
increased by 2.84%
Analysis last updated: Friday, October 2, 2026 at 09:02 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 6, 1994 to Sep 25, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 4 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.7496 | 7.63*** |
| αARCH | 0.1480 | 8.26*** |
| βGARCH | 0.6770 | 17.06*** |
Spline Coefficients
K=8
| γ1 | 0.1190 | 3.56*** |
| γ2 | -0.2154 | -3.77*** |
| γ3 | 0.2250 | 3.74*** |
| γ4 | -0.2412 | -3.96*** |
| γ5 | 0.2006 | 4.39*** |
| γ6 | -0.1165 | -2.81*** |
| γ7 | 0.0093 | 0.26 |
| γ8 | 0.0349 | 1.67* |
0.825
Persistence4d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.7496 | 7.63*** |
α ARCH Response to squared shocks | 0.1480 | 8.26*** |
β GARCH Volatility persistence | 0.6770 | 17.06*** |
Spline Coefficients
K=8
| γ1 | 0.1190 | 3.56*** |
| γ2 | -0.2154 | -3.77*** |
| γ3 | 0.2250 | 3.74*** |
| γ4 | -0.2412 | -3.96*** |
| γ5 | 0.2006 | 4.39*** |
| γ6 | -0.1165 | -2.81*** |
| γ7 | 0.0093 | 0.26 |
| γ8 | 0.0349 | 1.67* |
Persistence:
0.825
Half-life:
4 days
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