V-Lab
Chemung Financial Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 22nd, 2026
1 Day
24.53%
decreased by 0.56%
1 Week
26.24%
increased by 1.15%
1 Month
30.96%
increased by 5.87%
Analysis last updated: Monday, September 21, 2026 at 09:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 17, 1996 to Sep 18, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 17 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8722 | 5.61*** |
| αARCH | 0.1434 | 8.77*** |
| βGARCH | 0.8175 | 41.10*** |
Spline Coefficients
K=3
| γ1 | -0.0134 | -1.67* |
| γ2 | 0.0230 | 1.96** |
| γ3 | -0.0142 | -2.09** |
0.961
Persistence17d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8722 | 5.61*** |
α ARCH Response to squared shocks | 0.1434 | 8.77*** |
β GARCH Volatility persistence | 0.8175 | 41.10*** |
Spline Coefficients
K=3
| γ1 | -0.0134 | -1.67* |
| γ2 | 0.0230 | 1.96** |
| γ3 | -0.0142 | -2.09** |
Persistence:
0.961
Half-life:
17 days
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