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V-Lab

Direxion Daily AI and Big Data Bear 2X ETF MEM Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

43.02%

increased by 3.63%

1 Week

50.10%

increased by 10.71%

1 Month

62.91%

increased by 23.52%

Analysis last updated: Friday, September 4, 2026 at 02:18 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Direxion Daily AI and Big Data Bear 2X ETF MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 16, 2024 to Aug 28, 2026

Model Insight

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

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.1730
2.99***
α

ARCH

Response to squared shocks

0.3771
3.54***
β

GARCH

Volatility persistence

0.5238
6.80***

Persistence:

0.901

Half-life:

7 days