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State Street Financial Select Sector SPDR ETF MF2-GARCH Volatility Analysis

Volatility prediction for Tuesday, October 20th, 2026

1 Day

13.39%

increased by 1.00%

1 Week

13.83%

increased by 1.44%

1 Month

15.06%

increased by 2.67%

Analysis last updated: Monday, October 19, 2026 at 09:58 PM UTC

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Date Range:

from

10/19/2024

to

10/19/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street Financial Select Sector SPDR ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 22, 1998 to Oct 16, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

MF2-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow46
αARCH0.0244
1.86*
βGARCH0.8334
58.54***
γleverage0.1824
9.14***
λ₁tau intercept0.0076
1.73*
λ₂forecast adj.0.0305
2.75***
λ₃tau persistence0.9654
76.25***

0.949

Persistence

13d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

46
α

ARCH

Response to squared shocks

0.0244
1.86*
β

GARCH

Volatility persistence

0.8334
58.54***
γ

leverage

Additional response to negative shocks

0.1824
9.14***
λ₁

tau intercept

Baseline long-term coefficient

0.0076
1.73*
λ₂

forecast adj.

Forecast performance sensitivity

0.0305
2.75***
λ₃

tau persistence

Long-term factor persistence

0.9654
76.25***

Persistence:

0.949

Half-life:

13 days