Episode Summary
Executive Summary: This episode introduces Bloomberg’s documentary on the ETF’s origin story, centering on the 1987 Black Monday crash and the SEC report that inspired the first ETF. It shows how Nate Most and Steve Bloom at the American Stock Exchange turned a market-disruption problem into an investable product, launching a now-trillion-dollar industry that has expanded far beyond SPY.
Main Topics: ETF documentary framing and re-release (Priority: 5/5): Hosts Joel Weber and Eric Balchunas explain that this is a 30th-anniversary-style rebroadcast of their audio documentary on the ETF, now added to the Trillions feed as a durable historical primer on the industry. Black Monday as the catalyst (Priority: 5/5): The story begins with the October 19, 1987 market crash, which exposed structural problems in markets, including portfolio insurance and mechanical selling, and prompted a major SEC investigation. The SEC Market Break report (Priority: 5/5): An 840-page post-mortem on the crash documented what happened and suggested ways to avoid future breakdowns; one section proposed a market-basket instrument that would later inspire the ETF concept. Nate Most and Steve Bloom at Amex (Priority: 5/5): Most and Bloom, described as market nerds at a struggling American Stock Exchange, recognized the report’s opening and developed the first ETF idea as a way for Amex to compete and innovate. The human chain of invention (Priority: 4/5): The episode highlights a long chain of contributors, including Howard Kramer at the SEC, whose writing helped spark the idea, and later figures such as Jack Bogle, Kathleen Moriarty, and others who shaped ETF evolution. ETF industry growth beyond SPY (Priority: 4/5): The hosts note how much the market has grown since the documentary was first recorded, underscoring that the ETF story continues to expand into a multi-trillion-dollar industry.
Key Arguments: Black Monday was not just a crash but the event that created the regulatory and intellectual conditions for the ETF to emerge. The SEC’s factual reconstruction of the crash unintentionally provided the idea seed for a new market instrument. Nate Most and Steve Bloom were positioned to act because Amex needed new products to stay relevant against larger exchanges. The first ETF was not a standalone invention; it was part of a broader evolution from stock exposure and hedging tools into a flexible investment vehicle. The ETF industry’s growth validates the importance of the early design choices and the people who advanced the concept over time. Documenting the ETF story now is valuable because the industry has become large enough that listeners need a concise historical briefing.
Data Points: SPY assets at time of original recording: About $270 billion - The hosts note this was the asset level when the documentary was recorded five years earlier. SPY assets now: $375 billion - Eric Balchunas updates the current size of SPY, noting this includes outflows. ETF industry assets at time of original recording: About $3 trillion - The hosts cite the industry size when the documentary was first made. ETF industry assets now: $6.8 trillion - Current ETF industry size mentioned by the hosts. Black Monday date: October 19, 1987 - The market crash that serves as the origin point for the ETF story. SEC report length: 840 pages - David Reuter’s October 1987 Market Break report is described as extremely long and detailed. ETF documentary episodes: 6 episodes - The hosts say the story will unfold over six episodes. SPY anniversary: 30 years - The episode marks 30 years since SPY first started trading on January 29. SPY seed date: January 22 - The hosts distinguish seeding from the actual first trading date. SPY first trading date: January 29 - The exact date SPY began trading is emphasized as the anniversary milestone.
Pivotal Quotes: "It was like a light bulb went off." — Stephen Bloom: Bloom describes his reaction to a section of the SEC report that suggested the possibility of a market-basket trading instrument. "Here's an opening we could drive a truck through." — Stephen Bloom: Bloom tells Nate Most that the SEC report created a major opportunity for Amex to develop a new product. "The goal was to say what had happened." — David Reuter: Reuter explains the purpose of the SEC’s Market Break report as a factual reconstruction rather than a policy prescription.
Implications: The ETF began as a response to market failure and exchange competition, showing how crises can generate durable financial innovation. Its explosive growth suggests the original design solved a lasting investor need.
About Trillions
Money goes where it's treated best. That simple truth is a big reason why more and more money—trillions, in fact—flows into a powerful, low-cost tool that's quietly transformed investing in recent years. Exchange-traded funds, or ETFs, let you invest in everything from the stock market to gold like never before. This biweekly podcast will demystify them—and delight you in the process.