Ralph Lauren Corp Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 22nd, 2026
1 Day
58.70
decreased by 1.44
1 Week
60.80
increased by 0.66
1 Month
60.63
increased by 0.49
Analysis last updated: Wednesday, October 21, 2026 at 09:44 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 12, 1997 to Oct 16, 2026Model Insight
With persistence 0.996, illiquidity shocks have a half-life of 190 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.996, shock half-life ~190 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1526 | 8.82*** |
| αARCH | 0.0652 | 13.40*** |
| βGARCH | 0.9311 | 181.33*** |
Spline Coefficients
K=3
| γ1 | -0.0319 | -3.65*** |
| γ2 | 0.0603 | 4.00*** |
| γ3 | -0.0536 | -3.68*** |
0.996
Persistence190d
Half-lifeμ
ILLIQ-SMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1526 | 8.82*** |
α ARCH Response to squared shocks | 0.0652 | 13.40*** |
β GARCH Volatility persistence | 0.9311 | 181.33*** |
Spline Coefficients
K=3
| γ1 | -0.0319 | -3.65*** |
| γ2 | 0.0603 | 4.00*** |
| γ3 | -0.0536 | -3.68*** |
Persistence:
0.996
Half-life:
190 days
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