V-Lab
Wal-Mart Stores Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 1st, 2026
1 Day
4.32
increased by 0.02
1 Week
4.34
increased by 0.04
1 Month
4.45
increased by 0.15
Analysis last updated: Tuesday, September 1, 2026 at 09:41 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Aug 28, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 532 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0365 | 9.16*** |
α ARCH Response to squared shocks | 0.0357 | 11.87*** |
β GARCH Volatility persistence | 0.9630 | 312.56*** |
Spline Coefficients
K=1
| γ1 | -0.0009 | -1.04 |
Persistence:
0.999
Half-life:
532 days
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