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V-Lab

Edip Gayrimenkul Yatirim Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

58.28%

decreased by 6.58%

1 Week

59.32%

decreased by 5.54%

1 Month

60.33%

decreased by 4.53%

Analysis last updated: Wednesday, August 26, 2026 at 09:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Edip Gayrimenkul Yatirim S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 30, 1994 to Aug 21, 2026

Model 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 2 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5207
7.19***
α

ARCH

Response to squared shocks

0.2982
6.97***
β

GARCH

Volatility persistence

0.4311
8.35***
γi Spline Coefficients
K=8
γ10.0520
1.38
γ2-0.1361
-2.45**
γ30.1780
4.74***
γ4-0.1460
-3.66***
γ50.0639
1.63
γ60.0341
0.96
γ7-0.0969
-3.01***
γ80.0638
3.09***

Persistence:

0.729

Half-life:

2 days