Societe BIC SA Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, October 14th, 2026
1 Day
3,376.91
decreased by 2.67
1 Week
3,291.85
decreased by 87.73
1 Month
3,242.93
decreased by 136.65
Analysis last updated: Wednesday, October 14, 2026 at 07:44 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 28, 1991 to Oct 9, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 462 trading days (~1.8 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 0.998, shock half-life ~462 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2012 | 5.89*** |
| αARCH | 0.0569 | 8.74*** |
| βGARCH | 0.9416 | 127.31*** |
Spline Coefficients
K=1
| γ1 | -0.0033 | -1.14 |
0.998
Persistence462d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2012 | 5.89*** |
α ARCH Response to squared shocks | 0.0569 | 8.74*** |
β GARCH Volatility persistence | 0.9416 | 127.31*** |
Spline Coefficients
K=1
| γ1 | -0.0033 | -1.14 |
Persistence:
0.998
Half-life:
462 days
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