Concord Acquisition Corp II Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 30th, 2025
1 Day
30,084,670.00
unchanged at 0.00
1 Week
30,084,670.00
unchanged at 0.00
1 Month
30,084,670.00
unchanged at 0.00
Analysis last updated: Wednesday, September 2, 2026 at 04:41 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 1, 2021 to Oct 29, 2025Model 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 8 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.4415 | 2.16** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.9152 | 6.40*** |
Spline Coefficients
K=9
| γ1 | -33.1586 | -0.32 |
| γ2 | 147.4781 | 0.84 |
| γ3 | -253.5332 | -1.73* |
| γ4 | 256.8830 | 2.03** |
| γ5 | -274.0521 | -2.93*** |
| γ6 | 374.6732 | 4.03*** |
| γ7 | -400.1713 | -3.33*** |
| γ8 | 304.8677 | 2.13** |
| γ9 | -111.8621 | -0.66 |
0.915
Persistence8d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4415 | 2.16** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9152 | 6.40*** |
Spline Coefficients
K=9
| γ1 | -33.1586 | -0.32 |
| γ2 | 147.4781 | 0.84 |
| γ3 | -253.5332 | -1.73* |
| γ4 | 256.8830 | 2.03** |
| γ5 | -274.0521 | -2.93*** |
| γ6 | 374.6732 | 4.03*** |
| γ7 | -400.1713 | -3.33*** |
| γ8 | 304.8677 | 2.13** |
| γ9 | -111.8621 | -0.66 |
Persistence:
0.915
Half-life:
8 days
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