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Ops eCom SpA GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, July 29th, 2026

1 Day

181.42%

decreased by 29.84%

1 Week

181.49%

decreased by 29.77%

1 Month

181.75%

decreased by 29.51%

Analysis last updated: Wednesday, September 2, 2026 at 04:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Ops eCom SpA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 7, 2015 to Jul 28, 2026

Model Insight

With persistence 0.996, volatility shocks have a half-life of 159 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.996, shock half-life ~159 days
ParamValuet-stat
ωconst0.6174
2.78***
αARCH0.1621
2.75***
βGARCH0.7278
13.13***
γleverage0.2116
1.74*

0.996

Persistence

159d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6174
2.78***
α

ARCH

Response to squared shocks

0.1621
2.75***
β

GARCH

Volatility persistence

0.7278
13.13***
γ

leverage

Additional response to negative shocks

0.2116
1.74*

Persistence:

0.996

Half-life:

159 days