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V-Lab

Niki BioSolutions Inc APARCH Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

114.41%

decreased by 0.76%

1 Week

130.10%

increased by 14.93%

1 Month

167.57%

increased by 52.40%

Analysis last updated: Wednesday, August 5, 2026 at 09:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Niki BioSolutions Inc APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 18, 2018 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. The volatility power δ = 0.50 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3720
6.10***
α

ARCH

Response to squared shocks

0.2275
10.73***
β

GARCH

Volatility persistence

0.7098
43.83***
γ

leverage

Additional response to negative shocks

-0.0444
-0.46
δ

power

Transformation power

0.5000
6.12***

Persistence:

0.897

Half-life:

6 days