V-Lab
Sui Northern Gas Pipelines GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
41.33%
decreased by 3.02%
1 Week
41.70%
decreased by 2.65%
1 Month
42.57%
decreased by 1.78%
Analysis last updated: Sunday, July 26, 2026 at 04:04 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 5, 1993 to Jul 24, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 32% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6385 | 27.17*** |
α ARCH Response to squared shocks | 0.1366 | 17.87*** |
β GARCH Volatility persistence | 0.7574 | 147.02*** |
γ leverage Additional response to negative shocks | 0.0432 | 3.21*** |
Persistence:
0.916
Half-life:
8 days
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