Datamatics Global Services GARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
46.10%
increased by 3.12%
1 Week
47.09%
increased by 4.11%
1 Month
49.71%
increased by 6.73%
Analysis last updated: Wednesday, July 15, 2026 at 07:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 1, 2004 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7003 | 17.47*** |
α ARCH Response to squared shocks | 0.0912 | 23.48*** |
β GARCH Volatility persistence | 0.8489 | 132.81*** |
Persistence:
0.940
Half-life:
11 days
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