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OPKO Health Inc Spline ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Wednesday, September 23rd, 2026

1 Day

4,591.52

decreased by 158.09

1 Week

5,212.16

increased by 462.55

1 Month

5,097.60

increased by 347.99

Analysis last updated: Tuesday, September 22, 2026 at 09:29 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of OPKO Health Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 2, 1995 to Sep 18, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 99021 trading days (~392.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~99021 days
ParamValuet-stat
ωconst30.2490
0.00
αARCH0.2359
0.00
βGARCH0.7641
0.01
γi Spline Coefficients
K=7
γ1-0.2220
-0.08
γ20.9593
0.04
γ3-2.9763
-0.04
γ45.2350
0.03
γ5-4.3278
-0.02
γ61.4824
0.01
γ7-0.3359
-0.01

1.000

Persistence

99021d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

30.2490
0.00
α

ARCH

Response to squared shocks

0.2359
0.00
β

GARCH

Volatility persistence

0.7641
0.01
γi Spline Coefficients
K=7
γ1-0.2220
-0.08
γ20.9593
0.04
γ3-2.9763
-0.04
γ45.2350
0.03
γ5-4.3278
-0.02
γ61.4824
0.01
γ7-0.3359
-0.01

Persistence:

1.000

Half-life:

99021 days