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Niki BioSolutions Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

91.93%

decreased by 26.57%

1 Week

103.50%

decreased by 15.00%

1 Month

128.94%

increased by 10.44%

Analysis last updated: Tuesday, September 15, 2026 at 02:12 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Niki BioSolutions Inc S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 18, 2018 to Sep 11, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 10 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.0376
1.47
αARCH0.5031
4.16***
βGARCH0.4288
7.67***
γi Spline Coefficients
K=10
γ19.3964
1.71*
γ2-14.3997
-1.57
γ34.4283
0.76
γ43.1767
0.97
γ5-4.6011
-1.96**
γ63.9926
1.28
γ7-4.1428
-1.13
γ84.3758
1.33
γ9-5.1792
-1.55
γ104.5310
1.67*

0.932

Persistence

10d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0376
1.47
α

ARCH

Response to squared shocks

0.5031
4.16***
β

GARCH

Volatility persistence

0.4288
7.67***
γi Spline Coefficients
K=10
γ19.3964
1.71*
γ2-14.3997
-1.57
γ34.4283
0.76
γ43.1767
0.97
γ5-4.6011
-1.96**
γ63.9926
1.28
γ7-4.1428
-1.13
γ84.3758
1.33
γ9-5.1792
-1.55
γ104.5310
1.67*

Persistence:

0.932

Half-life:

10 days