V-Lab
Xior Student Housing NV Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
16.49%
decreased by 0.69%
1 Week
16.59%
decreased by 0.59%
1 Month
16.80%
decreased by 0.38%
Analysis last updated: Thursday, October 1, 2026 at 06:15 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 11, 2015 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 6 trading days.
τ
Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7083 | 7.81*** |
| αARCH | 0.1143 | 5.69*** |
| βGARCH | 0.7729 | 20.64*** |
Spline Coefficients
K=2
| γ1 | 0.0048 | 0.28 |
| γ2 | -0.0611 | -2.01** |
0.887
Persistence6d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7083 | 7.81*** |
α ARCH Response to squared shocks | 0.1143 | 5.69*** |
β GARCH Volatility persistence | 0.7729 | 20.64*** |
Spline Coefficients
K=2
| γ1 | 0.0048 | 0.28 |
| γ2 | -0.0611 | -2.01** |
Persistence:
0.887
Half-life:
6 days
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