Boxes and Lines

Blog posts, podcast episodes, and news from IEX Exchange.

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Podcast

Boxes and Lines Lite: Tokenization: Back to the Future Again

Tokenization. You’ve been hearing about it since 2017. So have we. In this short, unfiltered episode of Boxes and Lines, Ronan and JR unpack the hype around tokenizing stocks — what it actually means, what it changes , and what ends up left out of the conversation. They get into the post-trade plumbing, investor protections, regulatory realities, and why, in JR’s words, “Trading on the blockchain doesn’t actually eliminate the need for any of that.”‍‍

Blockchain Technology
Podcast

Boxes and Lines Lite: The 3% Myth (feat. Matt Weinberg & Sam Stevens)

IEX is often labeled a "3% market share" venue, but what does that number really reflect? In this Boxes and Lines Lite, Ronan and JR chat with IEX’s Matt Weinberg (Head of Business Development) and Sam Stevens (Head of Business Analytics) to discuss a clearer way to think about institutional-accessible liquidity. They break down why total market share can be a misleading benchmark for routing, how "Institutional Market Share" better reflects where orders can actually interact, and what firms might be missing by benchmarking to the wrong number.

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Article

What Really Matters in a Data Feed?

Balancing Cost, Coverage, and Performance with IEX.

Market data
Podcast

The IEX Options Episode – With John Palmer and Ivan Brown

Ronan and JR welcome John Palmer and Ivan Brown, who are leading IEX’s charge into the options market. They get into what makes options different from equities, explain the rise of 0DTE (zero-day-to-expiration) contracts, and talk about the unique risks market makers face in a quote-driven ecosystem.

IEX Exchange
Regulation
Retail trading
Equities trading
Podcast

Dennis Kelleher on Deregulation and Financial Bull(…)

Dennis Kelleher, co-founder and CEO of Better Markets, joins Boxes and Lines for a no-holds-barred conversation on the state of financial regulation. By the end, Ronan may or may not have entered a mild fugue state.

Regulation
Podcast

"How Not to Invest" - With Barry Ritholtz

Barry Ritholtz is back on Boxes and Lines. The Bloomberg "Masters in Business" podcast host and founder of Ritholtz Wealth Investors had a new book out called "How Not to Invest," which tells you everything you need to know about his approach and this episode. He

Equity Trading
Podcast

Face to Face with Madoff: Diana B. Henriques on Interviewing a Conman and Watching De Niro Become Him (Episode 2)

Journalist Diana B. Henriques sat face to face with Bernie Madoff in prison, and then played herself in Wizard of Lies, the HBO film starring Robert De Niro as Madoff. In Part 2 of our conversation, she unpacks Madoff’s manipulations, her firsthand experience with the conman, and what it was like to watch De Niro master his mannerisms with eerie precision. Listen now.

Equities trading
Podcast

Bernie Madoff: The Trader, The Fraudster, The Legend (Part 1)

New York Times journalist and Madoff expert Diana Henriques, author of The Wizard of Lies, chats with Ronan and JR about Madoff’s early rise in electronic trading, the mechanics of his $65 billion Ponzi scheme, and how he kept finance’s biggest players on the hook for decades. ‍

Equities trading
Regulation
Article

Defying Gravity: IEX’s Quote Presence Climbs

How we’re bucking the trend of declining displayed liquidity

Lit trading
Liquidity
Podcast

Did DeepSeek Really Kill the Nvidia Star? - Boxes And Lines Lite

Ronan and JR break down why markets reacted so dramatically to DeepSeek and whether this is just another dot-com-style overreaction or an actual shift in the AI arms race.

Global Markets
Podcast

It's Gonna Be Weird: Dave Nadig on 2025 Predictions for the Market

Dave Nadig, veteran ETF expert and self-styled “financial futurist,” returns to Boxes and Lines to look into his crystal ball and let Ronan and JR know what he sees for finance in 2025.

Global Markets
ETFs
Article

IEX Midpoint: Now in New XL Size

How IEX non-displayed midpoint trading has increased on the back of a tripling in displayed market share. ‍

Midpoint liquidity
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