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Ral Yatirim Holding As Spline ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Tuesday, September 22nd, 2026

1 Day

10,813.25

increased by 10,402.05

1 Week

2,395.20

increased by 1,984.00

1 Month

620.62

increased by 209.42

Analysis last updated: Tuesday, September 22, 2026 at 08:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ral Yatirim Holding As ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 29, 1996 to Sep 18, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 8664 trading days (~34.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~8664 days
ParamValuet-stat
ωconst1.2429
3.68***
αARCH0.1863
3.39***
βGARCH0.8136
14.75***
γi Spline Coefficients
K=9
γ1-1.1528
-1.51
γ2-1.6539
-0.78
γ34.7834
2.11**
γ4-2.8327
-1.38
γ52.1237
0.71
γ64.1813
1.78*
γ7-7.6785
-2.99***
γ8-2.3933
-0.57
γ98.5964
1.49

1.000

Persistence

8664d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2429
3.68***
α

ARCH

Response to squared shocks

0.1863
3.39***
β

GARCH

Volatility persistence

0.8136
14.75***
γi Spline Coefficients
K=9
γ1-1.1528
-1.51
γ2-1.6539
-0.78
γ34.7834
2.11**
γ4-2.8327
-1.38
γ52.1237
0.71
γ64.1813
1.78*
γ7-7.6785
-2.99***
γ8-2.3933
-0.57
γ98.5964
1.49

Persistence:

1.000

Half-life:

8664 days