Skip to main content
V-Lab
V-Lab

Pineapple Financial Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

53.77%

decreased by 0.60%

1 Week

62.78%

increased by 8.41%

1 Month

72.98%

increased by 18.61%

Analysis last updated: Saturday, September 12, 2026 at 12:45 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Pineapple Financial Inc S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 1, 2023 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 3 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
ωconst3.0794
2.90***
αARCH0.2387
2.47**
βGARCH0.5587
4.19***
γi Spline Coefficients
K=8
γ129.9634
3.60***
γ2-36.6040
-3.13***
γ35.7590
0.63
γ417.4044
1.63
γ5-39.3362
-3.37***
γ636.3216
3.47***
γ7-25.0029
-2.40**
γ818.5668
2.36**

0.797

Persistence

3d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.0794
2.90***
α

ARCH

Response to squared shocks

0.2387
2.47**
β

GARCH

Volatility persistence

0.5587
4.19***
γi Spline Coefficients
K=8
γ129.9634
3.60***
γ2-36.6040
-3.13***
γ35.7590
0.63
γ417.4044
1.63
γ5-39.3362
-3.37***
γ636.3216
3.47***
γ7-25.0029
-2.40**
γ818.5668
2.36**

Persistence:

0.797

Half-life:

3 days