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V-Lab

Franklin Ohio Municipal Income ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 28th, 2026

1 Day

2.99%

decreased by 0.38%

1 Week

3.39%

increased by 0.02%

1 Month

3.53%

increased by 0.16%

Analysis last updated: Tuesday, July 28, 2026 at 02:23 AM UTC

Date Range:

from

to

6M ·

All

graph of Franklin Ohio Municipal Income ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 10, 2025 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 5.22 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0506
6.80***
α

ARCH

Response to squared shocks

0.2151
2.15**
β

GARCH

Volatility persistence

0.3895
4.12***
ν

DF

Student-t tail thickness

5.2199
0.97

Persistence:

0.389

Half-life:

1 days