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V-Lab

GPT Group/The MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, October 1st, 2026

1 Day

22.05%

increased by 0.55%

1 Week

22.05%

increased by 0.55%

1 Month

22.06%

increased by 0.56%

Analysis last updated: Thursday, October 1, 2026 at 06:08 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of GPT Group/The MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 25, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 78 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 238% more than positive returns

σ

MF2-GARCH Model

Tap to view equation

High persistence: persistence 0.991, shock half-life ~78 daysLeverage: Negative returns increase volatility 238% more than positive returns
ParamValuet-stat
mwindow126
αARCH0.0219
3.80***
βGARCH0.9432
134.55***
γleverage0.0521
5.20***
λ₁tau intercept0.0165
0.56
λ₂forecast adj.0.0000
0.00
λ₃tau persistence0.9915
76.86***

0.991

Persistence

78d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

126
α

ARCH

Response to squared shocks

0.0219
3.80***
β

GARCH

Volatility persistence

0.9432
134.55***
γ

leverage

Additional response to negative shocks

0.0521
5.20***
λ₁

tau intercept

Baseline long-term coefficient

0.0165
0.56
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.9915
76.86***

Persistence:

0.991

Half-life:

78 days