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V-Lab

NY Harbor ULSD Heating Oil GJR-GARCH Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

52.12%

decreased by 1.55%

1 Week

51.97%

decreased by 1.70%

1 Month

51.41%

decreased by 2.26%

Analysis last updated: Friday, August 7, 2026 at 05:15 AM UTC

Date Range:

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to

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graph of NY Harbor ULSD Heating Oil GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 4, 2000 to Jul 31, 2026

Model Insight

With persistence 0.990, volatility shocks have a half-life of 70 trading days (~0.3 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

0.0744
20.18***
α

ARCH

Response to squared shocks

0.0927
18.27***
β

GARCH

Volatility persistence

0.8960
315.72***
γ

leverage

Additional response to negative shocks

0.0030
0.37

Persistence:

0.990

Half-life:

70 days