Franklin Ohio Municipal Income ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, November 10th, 2026
1 Day
9.70%
decreased by 0.22%
1 Week
10.16%
increased by 0.24%
1 Month
10.30%
increased by 0.38%
Analysis last updated: Monday, November 9, 2026 at 10:38 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 10, 2025 to Nov 6, 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 1 trading day.
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 | 0.8193 | 4.34*** |
| αARCH | 0.1029 | 1.57 |
| βGARCH | 0.2234 | 0.38 |
Spline Coefficients
K=4
| γ1 | 47.8209 | 3.36*** |
| γ2 | -83.2430 | -3.74*** |
| γ3 | 69.4294 | 4.21*** |
| γ4 | -52.7804 | -4.92*** |
0.326
Persistence1d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8193 | 4.34*** |
α ARCH Response to squared shocks | 0.1029 | 1.57 |
β GARCH Volatility persistence | 0.2234 | 0.38 |
Spline Coefficients
K=4
| γ1 | 47.8209 | 3.36*** |
| γ2 | -83.2430 | -3.74*** |
| γ3 | 69.4294 | 4.21*** |
| γ4 | -52.7804 | -4.92*** |
Persistence:
0.326
Half-life:
1 days
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