IEX Facts
IEX
IEX was founded.
IEX Exchange
IEX became a national securities exchange.
D-Limit
The SEC unanimously approved IEX's Discretionary Limit (D-Limit) Order Type.
IEX Options
IEX filed for its IEX Options exchange with the Securities and Exchange Commission.
$40
Billion
7.8%
This shows IEX’s market share among exchange trading only (not including dark pools and off-exchange trading). This also includes stocks priced under $1, which have a different pricing structure. (As of Q1 2026)
12.4%
This statistic looks at on-exchange trading in the S&P 500 (the preeminent index of U.S. Large Capitalization stocks) during regular market hours. Intraday trading, which refers to trading during regular market hours, excludes pre- and post-market trading as well as opening and closing auctions. (As of Q2 2026)
>75%
(FY 2024 vs. H1 2026)
9.5%
Intraday exchange market share includes IEX’s market share among exchange trading only (not including dark pools and off-exchange trading). Intraday trading, which refers to trading during regular market hours, excludes pre- and post-market trading as well as opening and closing auctions.
(As of Q2 2026)
>140%
ETF Intraday exchange market share includes IEX’s ETF market share among exchange trading only (not including dark pools and off-exchange trading). Intraday trading, which refers to trading during regular market hours, excludes pre- and post-market trading as well as opening and closing auctions.
(FY 2024 vs H1 2026)
>130%
This statistic looks at IEX's market share in ETFs during regular market hours. Intraday trading, which refers to trading during regular market hours, excludes pre- and post-market trading as well as opening and closing auctions.
(FY 2024 vs H1 2026)
Overall IEX Market Share is 3.8% as of Q2 2026 (Including off-exchange trading). Overall IEX Intraday Market Share is 4.7% as of Q2 2026.
Overall market share includes all U.S. trading both on- and off-exchange venues at all hours of the day. Intraday trading, which refers to trading during regular market hours, excludes pre- and post-market trading as well as opening and closing auctions. Slightly more equities trading occurs off-exchange than on-exchange. (As of Q2 2026.)
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