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V-Lab

Oxford Nanopore Technologies APARCH Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

64.62%

unchanged at 0.00%

1 Week

64.62%

unchanged at 0.00%

1 Month

64.62%

unchanged at 0.00%

Analysis last updated: Wednesday, August 19, 2026 at 06:33 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Oxford Nanopore Technologies APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 4, 2021 to Aug 14, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 128 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0752
3.65***
α

ARCH

Response to squared shocks

0.0000
0.01
β

GARCH

Volatility persistence

0.9946
835.07***
γ

leverage

Additional response to negative shocks

0.1995
0.00
δ

power

Transformation power

1.8749
17.60***

Persistence:

0.995

Half-life:

128 days