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S&P GSCI Platinum Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

35.36%

increased by 3.74%

1 Week

35.06%

increased by 3.44%

1 Month

34.64%

increased by 3.02%

Analysis last updated: Thursday, October 22, 2026 at 11:10 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI Platinum Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 16, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

MF2-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 2-day half-life
ParamValuet-stat
mwindow21
αARCH0.1015
4.88***
βGARCH0.6474
10.47***
γleverage-0.0150
-0.67
λ₁tau intercept0.0104
2.91***
λ₂forecast adj.0.0546
5.85***
λ₃tau persistence0.9416
95.20***

0.741

Persistence

2d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.1015
4.88***
β

GARCH

Volatility persistence

0.6474
10.47***
γ

leverage

Additional response to negative shocks

-0.0150
-0.67
λ₁

tau intercept

Baseline long-term coefficient

0.0104
2.91***
λ₂

forecast adj.

Forecast performance sensitivity

0.0546
5.85***
λ₃

tau persistence

Long-term factor persistence

0.9416
95.20***

Persistence:

0.741

Half-life:

2 days