Skip to main content
V-Lab
V-Lab

Ecuador Guayaquil Stock Exchange BVG GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 18th, 2026

1 Day

16.29%

decreased by 0.81%

1 Week

16.01%

decreased by 1.09%

1 Month

15.17%

decreased by 1.93%

Analysis last updated: Friday, September 18, 2026 at 10:02 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ecuador Guayaquil Stock Exchange BVG GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1994 to Sep 10, 2026

Model Insight

Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 14-day half-life
ParamValuet-stat
ωconst0.0327
4.02***
αARCH0.0652
3.10***
βGARCH0.8735
41.21***
γleverage0.0253
0.69

0.951

Persistence

14d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0327
4.02***
α

ARCH

Response to squared shocks

0.0652
3.10***
β

GARCH

Volatility persistence

0.8735
41.21***
γ

leverage

Additional response to negative shocks

0.0253
0.69

Persistence:

0.951

Half-life:

14 days