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Development Invt Constr Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, November 13th, 2026

1 Day

7,342.42

increased by 3,691.68

1 Week

4,668.25

increased by 1,017.51

1 Month

7,134.14

increased by 3,483.40

Analysis last updated: Friday, November 13, 2026 at 10:20 PM UTC

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Date Range:

from

11/12/2024

to

11/12/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Development Invt Constr ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 10, 2011 to Nov 6, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 231 trading days (~0.9 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 0.997, shock half-life ~231 days
ParamValuet-stat
ωconst1.4440
3.35***
αARCH0.2023
6.83***
βGARCH0.7947
27.60***
∑γi Spline Coefficients
K=10
γ1-3.1713
-1.20
γ26.4730
1.85*
γ3-5.8325
-3.28***
γ43.2776
1.96*
γ5-0.5329
-0.29
γ6-6.8865
-2.47**
γ717.7452
4.41***
γ8-14.7765
-4.51***
γ91.3316
0.65
γ106.5188
2.92***

0.997

Persistence

231d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4440
3.35***
α

ARCH

Response to squared shocks

0.2023
6.83***
β

GARCH

Volatility persistence

0.7947
27.60***
∑γi Spline Coefficients
K=10
γ1-3.1713
-1.20
γ26.4730
1.85*
γ3-5.8325
-3.28***
γ43.2776
1.96*
γ5-0.5329
-0.29
γ6-6.8865
-2.47**
γ717.7452
4.41***
γ8-14.7765
-4.51***
γ91.3316
0.65
γ106.5188
2.92***

Persistence:

0.997

Half-life:

231 days