Wal-Mart Stores Inc Asymmetric ILLIQ Liquidity Analysis
Liquidity prediction for Wednesday, July 22nd, 2026
1 Day
5.82
increased by 0.13
1 Week
5.57
decreased by 0.12
1 Month
5.21
decreased by 0.48
Analysis last updated: Tuesday, July 21, 2026 at 09:37 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Jan 2, 1990 to Jul 17, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 736 trading days (~2.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 119% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0233 | 8.45*** |
α ARCH Response to squared shocks | 0.0219 | 21.54*** |
β GARCH Volatility persistence | 0.9641 | 1,337.13*** |
γ leverage Additional response to negative shocks | 0.0262 | 15.44*** |
Persistence:
0.999
Half-life:
736 days
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