State Street Health Care Select Sector SPDR ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, June 17th, 2026
1 Day
15.78%
decreased by 1.05%
1 Week
15.86%
decreased by 0.97%
1 Month
16.11%
decreased by 0.72%
Analysis last updated: Tuesday, June 16, 2026 at 10:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2476 | 8.14 | |
| 0.0881 | 30.93 | |
| 0.9820 | 392.63 | |
| 7.5149 | 5.42 |
Estimation Period:
Dec 22, 1998 to Jun 12, 2026
Dec 22, 1998 to Jun 12, 2026
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