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V-Lab

Inversora Juramento Sa GARCH Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

37.77%

decreased by 0.62%

1 Week

37.91%

decreased by 0.48%

1 Month

38.41%

increased by 0.02%

Analysis last updated: Saturday, July 18, 2026 at 08:33 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Inversora Juramento Sa GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 30, 2011 to Jul 17, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 138 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0483
11.30***
α

ARCH

Response to squared shocks

0.0353
21.55***
β

GARCH

Volatility persistence

0.9597
559.93***

Persistence:

0.995

Half-life:

138 days