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Wal-Mart Stores Inc Spline ILLIQ Liquidity Analysis

Liquidity prediction for Wednesday, July 22nd, 2026

1 Day

5.14

increased by 0.06

1 Week

5.01

decreased by 0.07

1 Month

4.62

decreased by 0.46

Analysis last updated: Tuesday, July 21, 2026 at 09:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Wal-Mart Stores Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's liquidity

Liquidity Forecast

How liquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 17, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 528 trading days (~2.1 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

1.0386
9.18***
α

ARCH

Response to squared shocks

0.0357
11.85***
β

GARCH

Volatility persistence

0.9629
311.33***
γi Spline Coefficients
K=1
γ1-0.0007
-0.90

Persistence:

0.999

Half-life:

528 days