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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

17.21%

increased by 2.57%

1 Week

17.30%

increased by 2.66%

1 Month

17.60%

increased by 2.96%

Analysis last updated: Tuesday, September 8, 2026 at 10:46 PM UTC

Date Range:

from

to

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 Sep 4, 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
αARCH0.0243
1.85*
βGARCH0.8333
58.53***
γleverage0.1839
9.16***
λ₁tau intercept0.0076
1.73*
λ₂forecast adj.0.0302
2.74***
λ₃tau persistence0.9657
76.94***

0.950

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

0.0243
1.85*
β

GARCH

Volatility persistence

0.8333
58.53***
γ

leverage

Additional response to negative shocks

0.1839
9.16***
λ₁

tau intercept

Baseline long-term coefficient

0.0076
1.73*
λ₂

forecast adj.

Forecast performance sensitivity

0.0302
2.74***
λ₃

tau persistence

Long-term factor persistence

0.9657
76.94***

Persistence:

0.950

Half-life:

13 days