V-Lab
PubMatic Inc ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Tuesday, September 8th, 2026
1 Day
2,702.94
1 Week
2,490.65
1 Month
2,559.73
Analysis last updated: Friday, September 4, 2026 at 09:11 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 9, 2020 to Sep 4, 2026Model Insight
Illiquidity shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 71 | |
α ARCH Response to squared shocks | 0.0845 | 6.48*** |
β GARCH Volatility persistence | 0.8739 | 36.41*** |
γ leverage Additional response to negative shocks | -0.0845 | -5.96*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.34 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0218 | 7.16*** |
λ₃ tau persistence Long-term factor persistence | 0.9727 | 164.19*** |
Persistence:
0.916
Half-life:
8 days
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