V-Lab
Xior Student Housing NV AGARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
20.90%
decreased by 0.69%
1 Week
21.39%
decreased by 0.20%
1 Month
22.79%
increased by 1.20%
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
Volatility shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 15-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1211 | 3.63*** |
| αARCH | 0.1023 | 6.55*** |
| βGARCH | 0.8513 | 39.26*** |
| γleverage | 0.1540 | 0.83 |
0.954
Persistence15d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1211 | 3.63*** |
α ARCH Response to squared shocks | 0.1023 | 6.55*** |
β GARCH Volatility persistence | 0.8513 | 39.26*** |
γ leverage Additional response to negative shocks | 0.1540 | 0.83 |
Persistence:
0.954
Half-life:
15 days
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