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: iex.io/article/basket…

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: iex.io/article/etf-tr…

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: iex.io/article/etf-tr…

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? iex.io/podcast/hamilt…

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 iex.io/article/iex-ul…

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.

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: lnkd.in/eKeuuW2z

Ronan and JR sit down with @RitholtzWealth's @awealthofcs to talk about the biggest investing myth of all: there’s a secret formula. iex.io/podcast/the-se…

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: iex.io/options/resour…

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

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: iex.io/podcast/from-t…

What happens at 3:50pm? About 10 percent of on-exchange volume and 20 percent of midpoint volume are trading on IEX in the final minutes of the day. Read more in our latest Chart of the Month: iex.io/article/10-per…

Closing time: You don't have to go home... but you might want to trade here. Read our latest research: iex.io/article/closin…

In the final 10 minutes of the trading day, IEX handles 10% of exchange volume in $1+ single stocks and ranks #3 among exchanges. A more focused view of market share shows where institutions are actually trading into the close in our latest blog: iex.io/article/closin…

On IEX, 90% of midpoint volume remained stable in Q3 2025, compared to 69% on other exchanges. That stability is associated with better markouts, less slippage, and more competitive fill rates. Read more about how IEX approaches dark trading: iex.io/products/equit…

291% growth in midpoint block trading volume. Check out IEX's Dark Trading hub for more: iexexchange.io/dark-trading?u…

Dark trading on IEX, by the numbers: • 90% midpoint stability (vs 69% on other exchanges) • 48% of on-exchange midpoint blocks • 291% YoY growth in 1k–5k blocks (~198M ADV) • 1.3 bps avg slippage Check out our new non-displayed hub here: iexexchange.io/dark-trading?u…

Better markouts, less slippage, and more competitive fill rates. Check out our new dark trading hub for more: iexexchange.io/dark-trading?u…

IEX President Bryan Harkins on what 2026 may bring for institutional trading, including how dark venues are being evaluated: tradersmagazine.com/xtra/outlook-2…

IEX has grown into a top-three displayed venue in key metrics, with increased displayed market share and NBBO quote presence on both sides. Our latest blog breaks down performance trends and pre-trade price improvement with D-Limit. iex.io/article/iex-no…