McDonald's Corp GARCH Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
21.54%
increased by 1.55%
1 Week
21.57%
increased by 1.58%
1 Month
21.71%
increased by 1.72%
Analysis last updated: Thursday, October 22, 2026 at 09:42 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 16, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 78 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
High persistence: persistence 0.991, shock half-life ~78 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0194 | 3.57*** |
| αARCH | 0.0503 | 8.33*** |
| βGARCH | 0.9409 | 134.87*** |
0.991
Persistence78d
Half-lifeσ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0194 | 3.57*** |
α ARCH Response to squared shocks | 0.0503 | 8.33*** |
β GARCH Volatility persistence | 0.9409 | 134.87*** |
Persistence:
0.991
Half-life:
78 days
Other McDonald's Corp Analyses
Other GARCH Analyses on Equities