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V-Lab

State Street SPDR Bloomberg 1-10 Year TIPS ETF AGARCH Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

3.49%

increased by 0.69%

1 Week

3.53%

increased by 0.73%

1 Month

3.66%

increased by 0.86%

Analysis last updated: Friday, August 7, 2026 at 10:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street SPDR Bloomberg 1-10 Year TIPS ETF AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 30, 2013 to Aug 7, 2026

Model Insight

With persistence 0.993, volatility shocks have a half-life of 97 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: negative returns raise volatility more

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0006
6.02***
α

ARCH

Response to squared shocks

0.0625
18.53***
β

GARCH

Volatility persistence

0.9304
248.03***
γ

leverage

Additional response to negative shocks

0.0593
4.91***

Persistence:

0.993

Half-life:

97 days