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Osisko Gold Group Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

55.50%

decreased by 3.02%

1 Week

56.74%

decreased by 1.78%

1 Month

59.26%

increased by 0.74%

Analysis last updated: Friday, September 18, 2026 at 11:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Osisko Gold Group Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 30, 2022 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. Returns follow a Student-t distribution with v = 4.67 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 6-day half-lifev = 4.67 · fat tails
ParamValuet-stat
ωconst15.0946
1.37
αARCH0.0747
1.14
βGARCH0.8929
10.70***
νDF4.6748
0.39

0.893

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

15.0946
1.37
α

ARCH

Response to squared shocks

0.0747
1.14
β

GARCH

Volatility persistence

0.8929
10.70***
ν

DF

Student-t tail thickness

4.6748
0.39

Persistence:

0.893

Half-life:

6 days