V-Lab
Microsoft Corp Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
1.15
increased by 0.01
1 Week
1.15
increased by 0.01
1 Month
1.06
decreased by 0.08
Analysis last updated: Monday, September 21, 2026 at 09:28 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 291 trading days (~1.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 0.998, shock half-life ~291 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9842 | 7.90*** |
| αARCH | 0.0528 | 14.68*** |
| βGARCH | 0.9449 | 254.54*** |
Spline Coefficients
K=1
| γ1 | -0.0018 | -2.60*** |
0.998
Persistence291d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9842 | 7.90*** |
α ARCH Response to squared shocks | 0.0528 | 14.68*** |
β GARCH Volatility persistence | 0.9449 | 254.54*** |
Spline Coefficients
K=1
| γ1 | -0.0018 | -2.60*** |
Persistence:
0.998
Half-life:
291 days
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