V-Lab
Ponce Financial Group Inc Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
17.56%
decreased by 0.94%
1 Week
18.25%
decreased by 0.25%
1 Month
19.19%
increased by 0.69%
Analysis last updated: Wednesday, September 16, 2026 at 02:14 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 2, 2017 to Sep 11, 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 3 trading days.
τ
Spline-GARCH Model
Tap to view equation
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3984 | 3.10*** |
| αARCH | 0.1509 | 4.10*** |
| βGARCH | 0.6628 | 9.90*** |
Spline Coefficients
K=8
| γ1 | -1.6447 | -1.84* |
| γ2 | 3.3655 | 2.55** |
| γ3 | -3.0066 | -2.43** |
| γ4 | 0.9769 | 0.66 |
| γ5 | 1.2612 | 1.08 |
| γ6 | -1.7479 | -2.32** |
| γ7 | 1.2253 | 1.75* |
| γ8 | -0.9809 | -1.02 |
0.814
Persistence3d
Half-lifeτ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3984 | 3.10*** |
α ARCH Response to squared shocks | 0.1509 | 4.10*** |
β GARCH Volatility persistence | 0.6628 | 9.90*** |
Spline Coefficients
K=8
| γ1 | -1.6447 | -1.84* |
| γ2 | 3.3655 | 2.55** |
| γ3 | -3.0066 | -2.43** |
| γ4 | 0.9769 | 0.66 |
| γ5 | 1.2612 | 1.08 |
| γ6 | -1.7479 | -2.32** |
| γ7 | 1.2253 | 1.75* |
| γ8 | -0.9809 | -1.02 |
Persistence:
0.814
Half-life:
3 days
Other Ponce Financial Group Inc Analyses
Other Spline-GARCH Analyses on Equities