State Street SPDR Bloomberg 1-10 Year TIPS ETF EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
3.48%
increased by 0.16%
1 Week
3.54%
increased by 0.22%
1 Month
3.77%
increased by 0.45%
Analysis last updated: Monday, July 20, 2026 at 09:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 30, 2013 to Jul 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 126% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.0171 | -5.20*** |
α ARCH Response to squared shocks | 0.1225 | 10.43*** |
β GARCH Volatility persistence | 0.9888 | 588.24*** |
γ leverage Additional response to negative shocks | -0.0474 | -4.77*** |
Persistence:
0.989
Half-life:
62 days
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