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PubMatic Inc Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, September 25th, 2026

1 Day

1,499.93

increased by 12.59

1 Week

1,507.25

increased by 19.91

1 Month

1,882.23

increased by 394.89

Analysis last updated: Thursday, September 24, 2026 at 09:06 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of PubMatic Inc ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 9, 2020 to Sep 18, 2026

Model Insight

With persistence 0.998, illiquidity shocks have a half-life of 391 trading days (~1.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.998, shock half-life ~391 days
ParamValuet-stat
ωconst5.0000
0.38
αARCH0.0614
2.76***
βGARCH0.9166
88.67***
γleverage0.0405
0.86

0.998

Persistence

391d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.38
α

ARCH

Response to squared shocks

0.0614
2.76***
β

GARCH

Volatility persistence

0.9166
88.67***
γ

leverage

Additional response to negative shocks

0.0405
0.86

Persistence:

0.998

Half-life:

391 days