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V-Lab

Gold Troy Ounce GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

12.39%

decreased by 0.01%

1 Week

14.27%

increased by 1.87%

1 Month

15.03%

increased by 2.63%

Analysis last updated: Tuesday, September 8, 2026 at 07:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Gold Troy Ounce GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 27, 2013 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 7.98 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 1-day half-lifev = 7.98 · fat tails
ParamValuet-stat
ωconst0.9254
0.00
αARCH0.3632
0.00
βGARCH0.4764
0.00
νDF7.9751
0.00

0.476

Persistence

1d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9254
0.00
α

ARCH

Response to squared shocks

0.3632
0.00
β

GARCH

Volatility persistence

0.4764
0.00
ν

DF

Student-t tail thickness

7.9751
0.00

Persistence:

0.476

Half-life:

1 days