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V-Lab

ProShares Ultra VIX Short-Term Futures ETF GARCH Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

97.59%

increased by 17.83%

1 Week

101.35%

increased by 21.59%

1 Month

109.56%

increased by 29.80%

Analysis last updated: Friday, July 17, 2026 at 09:47 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ProShares Ultra VIX Short-Term Futures ETF GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 8, 2011 to Jul 17, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
19.94***
α

ARCH

Response to squared shocks

0.2128
33.12***
β

GARCH

Volatility persistence

0.6979
84.84***

Persistence:

0.911

Half-life:

7 days