Skip to main content
V-Lab
V-Lab

SJ Au Logistica FII GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Thursday, October 1st, 2026

1 Day

114.40%

increased by 2.48%

1 Week

124.93%

increased by 13.01%

1 Month

160.27%

increased by 48.35%

Analysis last updated: Thursday, October 1, 2026 at 10:29 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of SJ Au Logistica FII GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 11, 2021 to Sep 25, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 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 1.000, shock half-life ~1386294 days
ParamValuet-stat
ωconst5.0000
1.31
αARCH0.2513
0.97
βGARCH0.8585
12.79***
γleverage-0.2197
-0.88

1.000

Persistence

1386294d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.31
α

ARCH

Response to squared shocks

0.2513
0.97
β

GARCH

Volatility persistence

0.8585
12.79***
γ

leverage

Additional response to negative shocks

-0.2197
-0.88

Persistence:

1.000

Half-life:

1386294 days