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V-Lab

Petrolia Se GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

44.58%

increased by 1.16%

1 Week

45.73%

increased by 2.31%

1 Month

50.00%

increased by 6.58%

Analysis last updated: Tuesday, July 14, 2026 at 07:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Petrolia Se GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 11, 1999 to Jul 10, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 218 trading days (~0.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2328
18.63***
α

ARCH

Response to squared shocks

0.0645
18.48***
β

GARCH

Volatility persistence

0.9269
459.30***
γ

leverage

Additional response to negative shocks

0.0109
1.65*

Persistence:

0.997

Half-life:

218 days