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Development Invt Constr Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, July 27th, 2026

1 Day

16,235.89

decreased by 3,126.12

1 Week

19,964.44

increased by 602.43

1 Month

11,237.54

decreased by 8,124.47

Analysis last updated: Sunday, July 26, 2026 at 05:58 AM UTC

Date Range:

from

to

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 Jul 24, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 202 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3278
3.30***
α

ARCH

Response to squared shocks

0.1909
6.39***
β

GARCH

Volatility persistence

0.8057
28.16***
γi Spline Coefficients
K=10
γ1-3.6212
-1.33
γ27.2651
2.01**
γ3-6.1829
-3.25***
γ42.9263
1.64
γ50.5817
0.32
γ6-7.7712
-3.50***
γ715.9201
6.18***
γ8-10.1111
-4.18***
γ9-2.9703
-1.28
γ109.0562
3.51***

Persistence:

0.997

Half-life:

202 days