Niki Beattie, CEO and Founder of Market Structure Partners and Non-Executive Chairman of XTX Markets and Aquis Exchange (among other corporate governance roles), joins us from the United Kingdom to give Ronan and JR the 411 on equity market structure in the European Union and UK post Brexit. We're diving deep on regulators, dark pools, systematic internalizers, consolidated tapes, retail trading, and more. Recorded October 5, 2021.

In our latest #BoxesAndLinesLIVE series, we took on the meteoric rise of retail trading over the past year. Since the start of the meme stock phenomenon, a new generation of retail traders have taken to Reddit forums to exchange stock (er, "stonk") tips and flood the social media airways with theories about Wall Street. Meanwhile Bloomberg IBs fly with speculation about what the mysterious "retail community" really understands about how the markets work. But we don't need to live in the dark any longer! Dave Lauer and Matt Kohrs join us to break down those barriers and serve as inside interpreters between retail and institutional trading. Recorded October 11, 2021.

Ronan and JR are joined by Eric Budish, the Steven G. Rothmeier Professor of Economics at the University of Chicago Booth School of Business, to break down the methodology and results in his paper "Quantifying the High-Frequency Trading 'Arms Race,'" his well-known batch auction market design, and the usefulness of putting a dollar value on vaccine capacity. Recorded July 28.

John Cosenza, Head of Americas Electronic Trading and Global Co-Head of Electronic Products for Goldman Sachs, joins Ronan and JR to dig into the factors shaping trading dynamics in 2021, from the erosion of displayed liquidity to fragmentation to tick sizes – and some sports statistics on the side. Recorded June 30.

Congressman Jim Himes, a leading voice on the House Financial Services Committee, joins Ronan and JR for a discussion of retail trading, cybersecurity, and the 2021 DC landscape. We dig into the factors and interests at play, and discuss potential solutions, compromises, and opportunities for finding consensus in a polarized environment. Recorded June 11.

In our first #BoxesAndLInesLIVE series, we took on the big questions from every New Yorker: What will post-Covid NYC look like? What's the health of the real estate market in the city? And when will we be back in the office? Experts Sarah Gibbons-Scheets and Spencer Levy from CBRE, the world's largest commercial real estate services and investment firm, joined Ronan and JR from CBRE, to weigh in on the trends they're observing, the outlook for growth, and the indicators they'll be watching most closely in the coming months. Recorded March 25.

Anthony Scaramucci, Founder of SkyBridge Capital (and host of podcast Mooch FM) joins Ronan and JR to take on the big questions of life and finance. The differences between Wall Street and DC, the inevitability of the GameStop trading phenomenon, the character of post-pandemic NYC, and of course, the SALT conference – it's all here. Recorded May 10.

Nearly 14 years out from the 2008 financial crisis, the protagonists of The Big Short – Danny Moses, Porter Collins, and Vinny Daniel – joined Ronan and JR as part of our first #BoxesAndLinesLIVE event. From GameStop to crypto to short selling, it's a frank discussion of what's keeping them up at night and what they see as the biggest opportunities this year. Recorded March 23.

Ty Gellasch, Executive Director of Healthy Markets, takes Ronan and JR through the equities issues that he expects the Gary Gensler-led SEC to tackle over the next few years and why he believes we might see the most aggressive SEC agenda in his lifetime. Recorded March 12.

As part of our first #BoxesAndLinesLIVE event, Lyn Alden and Mike Green joined Ronan and JR for an in-depth discussion of all things Bitcoin, from the underlying purpose, to security concerns, to the regulatory environment. Whether you're a bull or a bear, the discussion is sure to leave you with food for thought and perhaps some arguments for your next barroom (or Twitter) debate. Recorded March 24.

Helima Croft, Managing Director and Global Head of Commodity Strategy at RBC Capital Markets, joins Ronan and JR to break down the geopolitical issues impacting oil markets today, from OPEC to the major areas of focus for the Biden administration to the dynamics of renewables (recorded March 18).

Aite Group Senior Analyst, Capital Markets Spencer Mindlin joins Ronan and JR to dig into the market structure topics shaping up to take the spotlight in 2021 from short selling to settlement cycles to the shrinking universe of private companies.

IEX's very own Sean Spector and Tori Dewey join Ronan and JR to debunk the conventional wisdom of minimum quantity with cold, hard data. Tune in to see Ronan and JR field a pop quiz on odd lots and stay for the breakdown of the impact of minimum quantity on adverse selection, information leakage, and opportunity cost. Want more on min quant? Check on Tori and Sean's full blog series here: https://medium.com/boxes-and-lines/do-minimum-quantities-maximize-performance-b376025a73cd

Frank Chaparro, Director of News at The Block, stops by to school Ronan and JR on the latest topics in crypto and digital assets, including the maturation of Bitcoin, institutional adoption of cryptocurrencies, the regulatory outlook, and comparisons to "traditional markets."

The anonymous protagonist of the "Occupy a Job on Wall Street" stories and podcast joins Ronan and JR to discuss his career beginnings, how Wall Street has transformed over the years, and his predictions for the future of trading, automation, and more (recorded January 12).

Henrietta Treyz, Managing Partner & Director of Economic Policy at Veda Partners, joins Ronan and JR to discuss the outlook for macroeconomic policy, legislation, buybacks, tariffs, and more in the Biden administration. Primary recording December 22, addendum recorded January 11.

Before the SEC announced he was stepping down as the Trading and Markets Director by the end of 2020, Brett Redfearn sat down (virtually) with Credit Suisse Managing Director and Head of Americas Market Structure Doug Clark at STA National. Doug joins Ronan and JR to break down that interview and Brett's biggest accomplishments in the role (recorded October 14).

inSecurities podcast co-hosts Chris Ekimoff, Financial Investigations & Disputes Southeast Region Leader at RSM US LLP, and Kurt Wolfe, Regulatory Investigations & Enforcement Attorney at Troutman Pepper, join Ronan and JR to discuss potential areas of focus for the SEC in the Biden administration, including enforcement, buybacks, ESG – and of course, who might be sitting in the big chair at the SEC (recorded November 30). Additionally, for more information or to donate to the nonprofits mentioned on the episode, please visit the Network for Victim Recovery of DC (nvrdc.org) and La Cocina VA (lacocinava.org).

Check out our rebroadcast of this episode of PLI's inSecurities podcast, in which hosts Chris Ekimoff and Kurt Wolfe chatted with our own JR and Dan Eisemann of MFS about innovation in equity market structure and the nuances of algorithmic and high-frequency trading.

Arbitrage Andy continues the finmeme education of Ronan and JR, covering deal sleds, the fascination with notorious figures in finance, and the inspiration behind his pseudonym.

Mazy Dar, Co-Founder and CEO of OpenFin, joins Ronan, JR, and Tim Baker of IEX Cloud to discuss modernizing the desktop experience in finance, the new IEX Cloud Gateway app, and what it means to democratize app distribution.

David Dalzell, CEO and Founder of Dalzell Trading, Lance Meyerowich, Chief Revenue Officer of Dalzell Trading, and Brian Moran, CEO and Founder of FLX Distribution, join Ronan and JR to talk about the reasons buyside firms consider outsourcing aspects of their trading and distribution functions, how COVID is forcing everyone to try an "outsourced" model, and the keys to successful partnership.

On the afternoon of Election Day, November 3, Mike Green, Portfolio Manager and Chief Strategist at Logica Capital joined us for a live discussion about the growth of passive investing and what it means for the heterogeneity of the market and volatility.

Heidi Fischer, Co-Head of Execution Services at Instinet, and Jenny Hadiaris, Global Head of Market Structure and Head of U.S. Electronic Trading Coverage at Cowen and Company, join Ronan and JR to discuss the topics that keep coming back, from inaccessible liquidity to the order protection rule, as well as the fierce, supportive community of women on Wall Street (recorded October 15).

Adam Inzirillo, Head of North American Equities at Cboe, joins Ronan and JR to talk about the state of displayed liquidity, the challenges and benefits of remote work, and why being innovative as an exchange matters (recorded October 6).

Jared Dillian, Editor of The Daily Dirtnap, ​joins Ronan and JR to talk about his days on Wall Street, fractional shares, liquidity trends, and his syndicated radio show.

James Elkins, Founding Partner of Golob Partners and Adjunct Professor at Arizona State University's W.P. Carey School of Business, joins Ronan and JR to discuss the evolution of the VWAP (Volume Weighted Average Price) benchmark and his experience over a 50+ year career in institutional trading and measurement.

Achim Steiner, the Administrator of the United Nations Development Programme (UNDP), joins Ronan and JR for an in-depth conversation about development economics, the meaning of true global sustainability, and how IEX got involved in a task force on digital financing of the UN Sustainable Development Goals.

Scott Bauguess, Director of the Salem Center Program on Financial Market Regulation at the University of Texas, ​joins Ronan and JR to talk market regulation, his time at the SEC's Division of Economic and Risk Analysis (DERA), and the possible long-term effects of COVID-19 on financial markets.

Bryan Christian, Managing Director, Head of Institutional Services at Old Mission Capital, joins Ronan and JR for a conversation about the evolving role of a market maker, the 30th anniversary of ETFs, and the importance of adaptability in volatile markets.

Tim Quast, founder and CEO of Modern IR, joins Ronan and JR for a discussion on what investor relations pros should know about market structure and stock exchanges, and the importance of market intelligence in the world of IR.

Benjamin Connault, Economist at IEX, joins Ronan and JR for an in-depth discussion of market data history and the commercial, regulatory and legal developments around U.S. equities market data products and their prices over the past 20 years.

David Cannizzo, Managing Director, Head of Electronic Trading and Market Structure at Raymond James, and Vlad Khandros, Global Head of Market Structure & Liquidity Strategy and Global Co-Head of Principal Investments & Strategic Ventures at UBS, join Ronan and JR to talk about trading during periods of volatility, market data reform, and opening and closing auctions with a closed NYSE floor.

Boris Ilyevsky, who leads market development at IEX, joins Ronan and JR to chat about the inner workings of the options market, the complexity of exchange pricing models, and floor-based trading in the options space.

Erika Karp, Founder and CEO of Cornerstone Capital Group, chats with Ronan and JR about sustainable investing, embracing the UN's Sustainable Development Goals, and ESG analysis as an investment discipline (recorded May 18).

Anna Kurzrok, Director and Head of U.S. Market Structure at BNP Paribas CIB, joins Ronan and JR to expand on her signature market structure research notes in a discussion around buybacks, odd lots, and the implications of the SEC's market data proposals (recorded before release of May 6 SEC orders).

Hitesh Mittal, Founder & CEO of BestEx Research, shares his team's findings on the state of liquidity in U.S. equities through the ongoing Covid-19 crisis, plus his thoughts on the SEC's recent order to revamp SIP (Securities Information Processors) governance. Ronan and JR are also joined this week by guest host, our own Chief Strategy Officer Eric Stockland.

Meredith Cross joins Ronan and JR to talk about corporate disclosures during the pandemic, how today's crises compare to the financial crisis, and how JR lightened the mood at senior staff meetings at the SEC. Former Director of the SEC's Division of Corporation Finance, Meredith Cross is currently a Partner at WilmerHale - where she advises companies on disclosure, corporate finance securities law, and corporate governance.

The Honorable Elisse Walter, 30th Chair of the U.S. Securities and Exchange Commission, knows crisis management. This week, she joins Ronan and JR to share what she's learned from a career in financial regulation - including through times of turmoil in 1987 and post-911, to the 2008 financial crash.

Litquidity dives deep into finmeme culture with Ronan and JR, talking about the reason for his anonymity, what it's really like to be on the sellside, and a deep etymology of "whomst."

Melissa Hinmon, Director of Equity Trading at Glenmede Investment Management, chats with Ronan and JR about outsourced trading, adding irreplaceable value at work, and why she decided to take the "not-so-friendly route."

Sal and Joe of Themis Trading share with Ronan and JR why they speak their minds in public, the biggest problems in market structure, and their deep fear of windbreakers.

Ronan and JR answer your questions about how the stock market operates in times of crisis, market-wide circuit breakers, and why it doesn't make sense to shut down the market or ban short sales.

Competitors can get along, especially over a beer. Bryan Harkins, Cboe's Head of Markets, joins Ronan and JR to chat about the Cboe Market Close, Wall Street Rides FAR, and what increased exchange competition will mean for market structure in 2020.

Tim and Jonathan walk through the action-packed 20+ years that led to the creation of BIDS and Luminex – two alternative trading systems that specialize in large block trading.

Ronan and JR chat with Mett Kinak about how (and why) the buyside model is changing, the great rebate debate, and why some people might really benefit from a shorter trading day.

Ronan talks with Danny, Porter, and Vinny about what it's like being a character in a Michael Lewis book, why traders have to become detectives, and what the market should be paying attention to nearly a decade after The Big Short.

Best ex is in the eye of the beholder...or is it? We're breaking down Greenwich Associates' new study on how the buyside thinks about best execution, joined by Richard Johnson and our own Chief Strategy Officer Eric Stockland.

Doug Cifu chats with Ronan and JR about 606 reporting, the future of analytics at Virtu, and how his past as a fashion lawyer(!) informs his work.

It's one of the hottest debates in market structure today: exchange market data. From how much it costs ($$$) to who has to buy it (in practice), we're digging deep on how we got here, what's changed, and the way forward.

In the beginning, IEX added a speed bump to its Alternative Trading System (ATS) with the goal of protecting investors. Today, it feels like every exchange has one. What gives?