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V-Lab

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

Date Range:

from

to

6M ·

All

graph of Baron Technology ETF EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 15, 2025 to Jul 10, 2026

Model 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

ParameterValuet-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