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V-Lab

Gujarat Energy Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

26.98%

decreased by 0.42%

1 Week

28.73%

increased by 1.33%

1 Month

30.22%

increased by 2.82%

Analysis last updated: Wednesday, August 5, 2026 at 07:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Gujarat Energy Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2015 to Jul 31, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 2 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3756
8.92***
α

ARCH

Response to squared shocks

0.1165
3.65***
β

GARCH

Volatility persistence

0.5889
6.04***
γi Spline Coefficients
K=4
γ10.3125
5.72***
γ2-0.5085
-5.54***
γ30.2932
3.48***
γ4-0.1169
-2.18**

Persistence:

0.705

Half-life:

2 days