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FII Grand Plaza Shopping GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 1st, 2026

1 Day

117.72%

increased by 0.19%

1 Week

124.59%

increased by 7.06%

1 Month

148.53%

increased by 31.00%

Analysis last updated: Thursday, October 1, 2026 at 10:24 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FII Grand Plaza Shopping GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 19, 2007 to Sep 25, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.02 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

Unreliable tails: v = 2.02 sits at the infinite-variance boundary
ParamValuet-stat
ωconst1,234.7612
2.10**
αARCH0.1646
32.45***
βGARCH0.9972
786.43***
νDF2.0248
979.60***

0.997

Persistence

246d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1,234.7612
2.10**
α

ARCH

Response to squared shocks

0.1646
32.45***
β

GARCH

Volatility persistence

0.9972
786.43***
ν

DF

Student-t tail thickness

2.0248
979.60***

Persistence:

0.997

Half-life:

246 days