V-Lab
Oxford Nanopore Technologies Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
114.81%
increased by 39.00%
1 Week
84.98%
increased by 9.17%
1 Month
69.10%
decreased by 6.71%
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
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2601 | 13.09*** |
α ARCH Response to squared shocks | 0.0922 | 2.35** |
β GARCH Volatility persistence | 0.3480 | 1.38 |
Spline Coefficients
K=1
| γ1 | 0.0227 | 3.32*** |
Persistence:
0.440
Half-life:
1 days
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