V-Lab
Oxford Nanopore Technologies GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
118.17%
increased by 34.87%
1 Week
105.43%
increased by 22.13%
1 Month
85.24%
increased by 1.94%
Analysis last updated: Saturday, August 22, 2026 at 08:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 4, 2021 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.0288 | 5.56*** |
α ARCH Response to squared shocks | 0.0806 | 5.40*** |
β GARCH Volatility persistence | 0.7387 | 18.44*** |
γ leverage Additional response to negative shocks | -0.0323 | -1.52 |
Persistence:
0.803
Half-life:
3 days
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