Baron Technology ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
24.19%
decreased by 1.74%
1 Week
24.10%
decreased by 1.83%
1 Month
23.73%
decreased by 2.20%
Analysis last updated: Wednesday, July 15, 2026 at 02:18 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 15, 2025 to Jul 10, 2026Model Insight
With persistence 0.994, volatility shocks have a half-life of 121 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Negative shocks have larger impact on volatility (leverage effect)
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0008 | 0.07 |
α ARCH Response to squared shocks | -0.2098 | -5.59*** |
β GARCH Volatility persistence | 0.9943 | |
γ leverage Additional response to negative shocks | -0.0787 | -5.61*** |
Persistence:
0.994
Half-life:
121 days
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