V-Lab
ProShares Ultra Nasdaq Cybersecurity ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
55.37%
decreased by 1.40%
1 Week
55.03%
decreased by 1.74%
1 Month
53.86%
decreased by 2.91%
Analysis last updated: Saturday, August 22, 2026 at 02:23 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 21, 2021 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 188% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2475 | 10.08*** |
α ARCH Response to squared shocks | 0.0329 | 4.19*** |
β GARCH Volatility persistence | 0.9095 | 175.28*** |
γ leverage Additional response to negative shocks | 0.0618 | 4.03*** |
Persistence:
0.973
Half-life:
26 days
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