V-Lab
PubMatic Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, July 24th, 2026
1 Day
3,302.85
increased by 265.88
1 Week
3,039.40
increased by 2.43
1 Month
3,035.19
decreased by 1.78
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
With persistence 0.998, illiquidity shocks have a half-life of 461 trading days (~1.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 64% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.56 |
α ARCH Response to squared shocks | 0.0587 | 10.64*** |
β GARCH Volatility persistence | 0.9210 | 358.91*** |
γ leverage Additional response to negative shocks | 0.0377 | 3.20*** |
Persistence:
0.998
Half-life:
461 days
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