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V-Lab

COMEX Copper MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

26.18%

decreased by 1.42%

1 Week

26.10%

decreased by 1.50%

1 Month

26.45%

decreased by 1.15%

Analysis last updated: Saturday, September 19, 2026 at 04:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of COMEX Copper MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 30, 2000 to Sep 18, 2026

Model Insight

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 85% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 85% more than positive returns
ParamValuet-stat
mwindow21
αARCH0.0566
3.04***
βGARCH0.7543
16.76***
γleverage0.0484
2.05**
λ₁tau intercept0.0108
2.01**
λ₂forecast adj.0.0295
2.70***
λ₃tau persistence0.9671
84.75***

0.835

Persistence

4d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0566
3.04***
β

GARCH

Volatility persistence

0.7543
16.76***
γ

leverage

Additional response to negative shocks

0.0484
2.05**
λ₁

tau intercept

Baseline long-term coefficient

0.0108
2.01**
λ₂

forecast adj.

Forecast performance sensitivity

0.0295
2.70***
λ₃

tau persistence

Long-term factor persistence

0.9671
84.75***

Persistence:

0.835

Half-life:

4 days