V-Lab
Zymeworks 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 Monday, September 21st, 2026
1 Day
1,495.81
decreased by 11.49
1 Week
1,586.06
increased by 78.76
1 Month
1,684.23
increased by 176.93
Analysis last updated: Friday, September 18, 2026 at 11:04 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 28, 2017 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 9902 trading days (~39.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~9902 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9121 | 4.47*** |
| αARCH | 0.1430 | 11.19*** |
| βGARCH | 0.8569 | 67.12*** |
Spline Coefficients
K=1
| γ1 | -0.1208 | -1.75* |
1.000
Persistence9902d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9121 | 4.47*** |
α ARCH Response to squared shocks | 0.1430 | 11.19*** |
β GARCH Volatility persistence | 0.8569 | 67.12*** |
Spline Coefficients
K=1
| γ1 | -0.1208 | -1.75* |
Persistence:
1.000
Half-life:
9902 days
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