IEX

How much risk can you handle? Living through a downturn can change your answer.
@dailydirtnap shares how his experience at Lehman shaped his thinking about risk and investing on the latest Boxes & Lines with Ronan Ryan and John Ramsay.
iex.io/podcast/after-…

D-Limit: a displayed order that can execute at a better price than where it originally rested

In September 2026, 23% of institutional brokers’ D-Limit volume received price improvement, averaging 2.5¢ per share on that volume.

See how it works:
iex.io/article/iex-di…

You buy at 10 in a 10 x 11 market. Two milliseconds later, it’s 9 x 10.
In September 2026, 72% of D-Limit volume at the NBBO saw no NBBO change in the next two milliseconds. Read more: iex.io/article/iex-di…

Is IEX in your top three displayed venues?
Our lit market share has grown 5x in 2 years & IEX’s latest Signal enhancement, Signal V7, has also delivered materially improved post-trade markouts since rollout.
You could be missing out on better performance.
iex.io/article/iex-di…

IEX’s market share looks different depending on what you measure.
#1 in exchange single-stock midpoint market share.
#1 in true spread capture.
Larger than any individual ATS in single-stock midpoint volume.
What about your algos?

iex.io/article/iex-ma…