IEX

Technology that moves finance forward. Home of @iexexchange, #IEXOptions, and more.

[IEX @IEX]

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.
https://t.co/IYLBdsyBFS

[IEX @IEX]

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?

https://t.co/wKAyM28PFG

[IEX @IEX]

In July, 20% of institutional brokers’ D-Limit volume received price improvement.
Across all D-Limit volume, that translated to approximately 64 mils per share.
What could that mean for your parent order performance?
https://t.co/mDPSrXDzAI

[IEX @IEX]

Today, we remember the lives lost on September 11, 2001, and the families, friends, colleagues, and communities who continue to carry that loss.
We honor their memory and never forget.

[IEX @IEX]

In July, 20% of institutional brokers’ D-Limit volume received price improvement.
Across all institutional broker D-Limit volume, that translated to approximately 64 mils/share.
Consider what that could mean when it rolls up to parent order performance..
https://t.co/mDPSrXDzAI

[IEX @IEX]

IEX’s displayed market has changed considerably over the past two years.
Displayed market share has grown 5x, while two-sided quote presence across Russell 3000 securities has increased more than 2.5x. See the latest D-Limit performance data:
https://t.co/mDPSrXDzAI

[IEX @IEX]

20% of institutional broker D-Limit volume received price improvement in July. Across all institutional D-Limit volume, that averaged more than half a penny per share.
See what the latest D-Limit data could mean for parent-order performance: https://t.co/MDipSRRkNj

[IEX @IEX]

A recent $174 million basket trade on IEX captured 55% of in-limit volume across 37 symbols. Our latest analysis explores how traders are accessing midpoint liquidity and executing baskets on IEX.
https://t.co/cdPuBfCV05

[IEX Exchange @iexexchange]

Can prediction markets grow beyond sports and political events into institutional risk management tools? JR and Ronan are joined by Tom Chippas and Matt Trudeau of @RotheraMarkets to discuss regulation and the future of event contracts: https://t.co/r0H1Y2JqNi

[IEX @IEX]

In one recent 37-symbol basket, a sell-side program trading desk captured 55% of in-limit volume while trading $174M in notional value.

Our latest blog examines the execution and broader performance of block-sized midpoint orders on IEX: https://t.co/cdPuBfCV05

[IEX @IEX]

As ETF activity reaches record highs, execution quality matters more than ever. Our latest Chart of the Month looks at why activity is increasingly concentrated and how IEX has grown alongside that trend: https://t.co/91XSru2VrV

[IEX @IEX]

ETFs now make up 25%+ of US intraday market volume.
Leveraged ETFs represent ~40% of ETF trading.
IEX ETF on-exchange market share has grown to nearly 10%.
What's behind these numbers? Our latest Chart of the Month: https://t.co/91XSru2VrV

[IEX @IEX]

In honor of America's 250th birthday, we're revisiting one of our favorite #BoxesAndLines episodes examining the surprising legacy of one of the Revolution's most misunderstood figures. What if everything you know about Aaron Burr is wrong? https://t.co/DnFjGgTDfb

[IEX @IEX]

Some dark trading strategies need more selectivity than speed.
Ultra-Passive Signal is designed for brokers seeking longer-horizon performance, helping concentrate participation in more favorable market conditions https://t.co/5PzbVqxL8U

[IEX @IEX]

10 years ago, IEX Exchange was approved by the SEC.
It had a simple goal: to build a different kind of stock exchange.
Thank you for being part of our story.

[IEX @IEX]

Come to our block party! Block trading on IEX has seen substantial growth across trade sizes, as institutions increasingly use IEX for midpoint and block interaction. Check out our dark trading hub for more:
https://t.co/yfkIFXC22z

[IEX @IEX]

Ronan and JR sit down with @RitholtzWealth's @awealthofcs to talk about the biggest investing myth of all: there’s a secret formula. https://t.co/ikuUjUYAhE

[IEX @IEX]

Thanks to everyone who stopped by the IEX Liquidity Lounge at #OIC2026 last week and all the IEXers who worked to make it happen.
If you’re interested in learning more about what we’re building, visit our #IEXOptions information hub: https://t.co/LOHfbTkD4S

[IEX @IEX]

#OIC2026: We’ll be in the IEX Liquidity Lounge tomorrow. Stop by if you’re around! #IEXOptions

[IEX @IEX]

Phil McConkey’s career spans the Navy, the NFL, and Wall Street.
On our latest Boxes and Lines, he discusses how all of those worlds fit together in his work at @AcadSecurities. “You’re either getting better or getting worse.” Listen: https://t.co/Le1Gpxg6XN