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V-Lab

State Street Consumer Staples Select Sector SPDR ETF EGARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

18.05%

decreased by 0.49%

1 Week

17.89%

decreased by 0.65%

1 Month

17.37%

decreased by 1.17%

Analysis last updated: Monday, July 20, 2026 at 09:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street Consumer Staples Select Sector SPDR ETF EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 22, 1998 to Jul 17, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 330% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

-0.0027
-1.73*
α

ARCH

Response to squared shocks

0.1657
41.89***
β

GARCH

Volatility persistence

0.9755
835.21***
γ

leverage

Additional response to negative shocks

-0.1031
-28.07***

Persistence:

0.976

Half-life:

28 days