OptionMetrics says SPX 0DTE retail share at 30-35%

2nd October, 2026

Zak Jakubowski
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Retail investors account for an estimated 30% to 35% of zero-day-to-expiration SPX options trading, according to OptionMetrics, below estimates produced using Cboe’s proprietary methodology.

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ABN AMRO
Bank of America
CBOE
Citi
Goldman Sachs
DRW Holdings
HSBC
J.P Morgan
Marex
Morgan Stanley
SGX
SocGen
Susquehanna
MUFG Investor Services
TP ICAP
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