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V-Lab
V-Lab

Fidelity Blue Chip Growth ETF GARCH Volatility Analysis

Volatility prediction for Monday, October 12th, 2026

1 Day

17.49%

decreased by 0.29%

1 Week

17.97%

increased by 0.19%

1 Month

19.48%

increased by 1.70%

Analysis last updated: Friday, October 9, 2026 at 11:36 PM UTC

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Date Range:

from

10/09/2024

to

10/09/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Fidelity Blue Chip Growth ETF GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 4, 2020 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 25-day half-life
ParamValuet-stat
ωconst0.0675
2.59***
αARCH0.0895
4.96***
βGARCH0.8833
38.80***

0.973

Persistence

25d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0675
2.59***
α

ARCH

Response to squared shocks

0.0895
4.96***
β

GARCH

Volatility persistence

0.8833
38.80***

Persistence:

0.973

Half-life:

25 days