V-Lab
Longevity Health Holdings Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, July 30th, 2026
1 Day
384,604,700.00
decreased by 24,587,900.00
1 Week
396,898,650.00
decreased by 12,293,950.00
1 Month
532,626,781.82
increased by 123,434,181.82
Analysis last updated: Thursday, July 30, 2026 at 09:10 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 27, 2021 to Jul 17, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 11 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1050 | 2.64*** |
α ARCH Response to squared shocks | 0.2095 | 4.68*** |
β GARCH Volatility persistence | 0.7281 | 10.10*** |
Spline Coefficients
K=7
| γ1 | -0.2191 | -0.06 |
| γ2 | -2.7137 | -0.43 |
| γ3 | 11.9679 | 2.60*** |
| γ4 | -17.1487 | -4.90*** |
| γ5 | 3.9656 | 1.37 |
| γ6 | 22.7989 | 5.91*** |
| γ7 | -35.2320 | -5.73*** |
Persistence:
0.938
Half-life:
11 days
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