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V-Lab

Betapro Nasdaq-100 -2X D ETF GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

39.82%

increased by 6.47%

1 Week

40.23%

increased by 6.88%

1 Month

41.67%

increased by 8.32%

Analysis last updated: Wednesday, August 19, 2026 at 09:07 AM UTC

Date Range:

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to

6M ·

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2Y ·

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10Y ·

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graph of Betapro Nasdaq-100 -2X D ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 18, 2008 to Aug 14, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1778
17.29***
α

ARCH

Response to squared shocks

0.2016
24.47***
β

GARCH

Volatility persistence

0.8790
291.94***
γ

leverage

Additional response to negative shocks

-0.1965
-22.49***

Persistence:

0.982

Half-life:

39 days