PT Citra Buana Prasida TBK Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, November 13th, 2026
1 Day
7,748.20
increased by 3,484.03
1 Week
5,143.10
increased by 878.93
1 Month
2,724.50
decreased by 1,539.67
Analysis last updated: Friday, November 13, 2026 at 10:16 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 6, 2023 to Nov 6, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 2 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1868 | 4.55*** |
| αARCH | 0.2047 | 4.55*** |
| βGARCH | 0.4657 | 4.01*** |
Spline Coefficients
K=10
| γ1 | 8.7956 | 1.38 |
| γ2 | -8.1415 | -0.76 |
| γ3 | -14.0036 | -1.54 |
| γ4 | 8.7085 | 1.13 |
| γ5 | 18.7042 | 2.57** |
| γ6 | -16.8968 | -2.45** |
| γ7 | -9.3966 | -1.43 |
| γ8 | 33.6402 | 5.49*** |
| γ9 | -41.4912 | -4.76*** |
| γ10 | 43.1939 | 3.01*** |
0.670
Persistence2d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1868 | 4.55*** |
α ARCH Response to squared shocks | 0.2047 | 4.55*** |
β GARCH Volatility persistence | 0.4657 | 4.01*** |
Spline Coefficients
K=10
| γ1 | 8.7956 | 1.38 |
| γ2 | -8.1415 | -0.76 |
| γ3 | -14.0036 | -1.54 |
| γ4 | 8.7085 | 1.13 |
| γ5 | 18.7042 | 2.57** |
| γ6 | -16.8968 | -2.45** |
| γ7 | -9.3966 | -1.43 |
| γ8 | 33.6402 | 5.49*** |
| γ9 | -41.4912 | -4.76*** |
| γ10 | 43.1939 | 3.01*** |
Persistence:
0.670
Half-life:
2 days
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