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Atara Biotherapeutics Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, July 27th, 2026

1 Day

82,614.57

decreased by 2,476.64

1 Week

79,589.81

decreased by 5,501.40

1 Month

68,915.73

decreased by 16,175.48

Analysis last updated: Friday, July 24, 2026 at 09:30 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Atara Biotherapeutics Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 16, 2014 to Jul 24, 2026

Model Insight

With persistence 0.991, illiquidity shocks have a half-life of 80 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0453
7.44***
α

ARCH

Response to squared shocks

0.1127
12.31***
β

GARCH

Volatility persistence

0.8786
91.40***
γi Spline Coefficients
K=1
γ10.0489
6.55***

Persistence:

0.991

Half-life:

80 days