V-Lab
Goldman Sachs Group Inc/The GARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
30.65%
decreased by 0.64%
1 Week
30.72%
decreased by 0.57%
1 Month
31.00%
decreased by 0.29%
Analysis last updated: Tuesday, September 15, 2026 at 09:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 4, 1999 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 69 trading days, meaning a shock loses half its impact after approximately 69 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 69-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0464 | 4.33*** |
| αARCH | 0.0668 | 7.74*** |
| βGARCH | 0.9232 | 102.51*** |
0.990
Persistence69d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0464 | 4.33*** |
α ARCH Response to squared shocks | 0.0668 | 7.74*** |
β GARCH Volatility persistence | 0.9232 | 102.51*** |
Persistence:
0.990
Half-life:
69 days
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