Deutsche Telekom AG EGARCH Volatility Analysis
Volatility prediction for Thursday, October 8th, 2026
1 Day
26.20%
increased by 0.76%
1 Week
26.41%
increased by 0.97%
1 Month
27.19%
increased by 1.75%
Analysis last updated: Thursday, October 8, 2026 at 06:59 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 15, 1996 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 40 trading days, meaning a shock loses half its impact after approximately 40 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 40-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0251 | 3.69*** |
| αARCH | 0.1455 | 7.64*** |
| βGARCH | 0.9830 | 219.62*** |
| γleverage | -0.0230 | -1.55 |
0.983
Persistence40d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0251 | 3.69*** |
α ARCH Response to squared shocks | 0.1455 | 7.64*** |
β GARCH Volatility persistence | 0.9830 | 219.62*** |
γ leverage Additional response to negative shocks | -0.0230 | -1.55 |
Persistence:
0.983
Half-life:
40 days
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