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V-Lab

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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

17.34%

decreased by 0.33%

1 Week

17.49%

decreased by 0.18%

1 Month

17.94%

increased by 0.27%

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 Industrial 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
mwindow71
αARCH0.0000
0.00
βGARCH0.8997
92.49***
γleverage0.1414
10.42***
λ₁tau intercept0.0069
1.12
λ₂forecast adj.0.0188
1.51
λ₃tau persistence0.9762
59.97***

0.970

Persistence

23d

Half-life
σ

MF2-GARCH Model

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ParameterValuet-statistic
m

window

Rolling window length

71
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8997
92.49***
γ

leverage

Additional response to negative shocks

0.1414
10.42***
λ₁

tau intercept

Baseline long-term coefficient

0.0069
1.12
λ₂

forecast adj.

Forecast performance sensitivity

0.0188
1.51
λ₃

tau persistence

Long-term factor persistence

0.9762
59.97***

Persistence:

0.970

Half-life:

23 days