Skip to main content
V-Lab

IPSOS Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, July 28th, 2026

1 Day

4,945.87

decreased by 243.13

1 Week

5,216.86

increased by 27.86

1 Month

5,695.73

increased by 506.73

Analysis last updated: Tuesday, July 28, 2026 at 06:45 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of IPSOS ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 1, 1999 to Jul 24, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 58 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.7940
8.14***
α

ARCH

Response to squared shocks

0.0690
10.23***
β

GARCH

Volatility persistence

0.9192
116.35***
γi Spline Coefficients
K=1
γ10.0027
3.00***

Persistence:

0.988

Half-life:

58 days