V-Lab
PubMatic Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, July 24th, 2026
1 Day
3,320.16
increased by 192.87
1 Week
3,152.35
increased by 25.06
1 Month
3,200.46
increased by 73.17
Analysis last updated: Thursday, July 23, 2026 at 09:12 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 9, 2020 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 18 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2392 | 11.49*** |
α ARCH Response to squared shocks | 0.0864 | 6.41*** |
β GARCH Volatility persistence | 0.8758 | 44.13*** |
Spline Coefficients
K=1
| γ1 | -0.0657 | -3.23*** |
Persistence:
0.962
Half-life:
18 days
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