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V-Lab

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

Volatility prediction for Wednesday, August 12th, 2026

1 Day

17.93%

decreased by 0.60%

1 Week

18.00%

decreased by 0.53%

1 Month

18.22%

decreased by 0.31%

Analysis last updated: Tuesday, August 11, 2026 at 10:17 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of State Street Industrial Select Sector SPDR ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 22, 1998 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 47 trading days, meaning a shock loses half its impact after approximately 47 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0230
16.34***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9196
513.19***
γ

leverage

Additional response to negative shocks

0.1316
28.79***

Persistence:

0.985

Half-life:

47 days