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V-Lab

Xior Student Housing NV Asy. Power MEM Volatility Analysis

Volatility prediction for Thursday, October 1st, 2026

1 Day

17.87%

decreased by 0.99%

1 Week

16.84%

decreased by 2.02%

1 Month

14.70%

decreased by 4.16%

Analysis last updated: Thursday, October 1, 2026 at 06:15 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Xior Student Housing NV APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 11, 2015 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. The volatility power δ = 0.50 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

Shock decay: Shocks decay with a 7-day half-lifeδ = 0.50 · sub-quadratic power
ParamValuet-stat
ωconst0.0849
4.41***
αARCH0.2525
10.11***
βGARCH0.6960
18.85***
γleverage-0.0536
-1.33
δpower0.5000
4.72***

0.904

Persistence

7d

Half-life
μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0849
4.41***
α

ARCH

Response to squared shocks

0.2525
10.11***
β

GARCH

Volatility persistence

0.6960
18.85***
γ

leverage

Additional response to negative shocks

-0.0536
-1.33
δ

power

Transformation power

0.5000
4.72***

Persistence:

0.904

Half-life:

7 days