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V-Lab

State Street Consumer Discretionary Select Sector SPDR ETF MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, September 10th, 2026

1 Day

20.97%

increased by 0.86%

1 Week

20.91%

increased by 0.80%

1 Month

20.87%

increased by 0.76%

Analysis last updated: Wednesday, September 9, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street Consumer Discretionary 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
mwindow61
αARCH0.0000
0.00
βGARCH0.8624
65.12***
γleverage0.1511
10.01***
λ₁tau intercept0.0467
2.06**
λ₂forecast adj.0.3398
3.49***
λ₃tau persistence0.6339
6.15***

0.938

Persistence

11d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

61
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8624
65.12***
γ

leverage

Additional response to negative shocks

0.1511
10.01***
λ₁

tau intercept

Baseline long-term coefficient

0.0467
2.06**
λ₂

forecast adj.

Forecast performance sensitivity

0.3398
3.49***
λ₃

tau persistence

Long-term factor persistence

0.6339
6.15***

Persistence:

0.938

Half-life:

11 days