Sivers Semiconductors Ab EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
168.40%
decreased by 1.50%
1 Week
163.93%
decreased by 5.97%
1 Month
150.31%
decreased by 19.59%
Analysis last updated: Tuesday, July 14, 2026 at 08:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 17, 2014 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1055 | 15.03*** |
α ARCH Response to squared shocks | 0.1800 | 19.08*** |
β GARCH Volatility persistence | 0.9717 | 438.70*** |
γ leverage Additional response to negative shocks | 0.0141 | 1.16 |
Persistence:
0.972
Half-life:
24 days
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