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V-Lab

State Street SPDR S&P Semiconductor ETF GARCH Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

61.15%

decreased by 1.15%

1 Week

60.53%

decreased by 1.77%

1 Month

58.24%

decreased by 4.06%

Analysis last updated: Wednesday, August 5, 2026 at 09:47 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street SPDR S&P Semiconductor ETF GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 6, 2006 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 48 trading days, meaning a shock loses half its impact after approximately 48 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0624
16.83***
α

ARCH

Response to squared shocks

0.0761
30.57***
β

GARCH

Volatility persistence

0.9096
324.39***

Persistence:

0.986

Half-life:

48 days