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Baillie Gifford US Growth Trust PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, October 5th, 2026
1 Day
4,504.65
increased by 50.51
1 Week
4,815.84
increased by 361.70
1 Month
6,418.77
increased by 1,964.63
Analysis last updated: Sunday, October 4, 2026 at 12:41 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 23, 2018 to Oct 2, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 145 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.995, shock half-life ~145 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9981 | 4.02*** |
| αARCH | 0.0814 | 7.72*** |
| βGARCH | 0.9139 | 87.19*** |
Spline Coefficients
K=1
| γ1 | -0.0380 | -1.52 |
0.995
Persistence145d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9981 | 4.02*** |
α ARCH Response to squared shocks | 0.0814 | 7.72*** |
β GARCH Volatility persistence | 0.9139 | 87.19*** |
Spline Coefficients
K=1
| γ1 | -0.0380 | -1.52 |
Persistence:
0.995
Half-life:
145 days
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