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V-Lab

Servet Gayrimenkul Yatirim GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

31.53%

decreased by 1.10%

1 Week

33.77%

increased by 1.14%

1 Month

40.26%

increased by 7.63%

Analysis last updated: Sunday, July 26, 2026 at 06:32 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Servet Gayrimenkul Yatirim GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 24, 2013 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 23 trading days, meaning a shock loses half its impact after approximately 23 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4176
11.58***
α

ARCH

Response to squared shocks

0.1358
14.87***
β

GARCH

Volatility persistence

0.8297
127.40***
γ

leverage

Additional response to negative shocks

0.0086
0.54

Persistence:

0.970

Half-life:

23 days