Skip to main content
V-Lab

Saudi Industrial Export Co GAS-GARCH Student T Volatility Analysis

Volatility prediction for Sunday, August 23rd, 2026

1 Day

238.52%

increased by 11.63%

1 Week

242.52%

increased by 15.63%

1 Month

257.69%

increased by 30.80%

Analysis last updated: Friday, August 21, 2026 at 08:18 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Saudi Industrial Export Co GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 14, 2005 to Aug 20, 2026
Extended Optimization

Model Insight

The estimated Student-t degrees of freedom v = 2.01 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

1,825.3982
7.52***
α

ARCH

Response to squared shocks

0.1015
140.41***
β

GARCH

Volatility persistence

0.9976
3,370.29***
ν

DF

Student-t tail thickness

2.0103

Persistence:

0.998

Half-life:

289 days