Odd Lots

Andrew Ross Sorkin on the Stock Market Crash That Shattered America

October 13, 2025

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  • The primary lesson from the 1929 crash is that every financial crisis is fundamentally a function of excessive leverage in the system, which requires external guardrails as self-regulation is difficult. 
  • The speculative mania leading up to the 1929 crash involved widespread retail participation, fueled by nascent consumer credit concepts being applied to stock buying, exemplified by 10-to-1 margin lending. 
  • Information dissemination during the 1929 crash was glacially slow due to technological limitations, forcing investors to physically congregate on Wall Street, contrasting sharply with modern instantaneous communication. 

Segments

Speculation Culture and Bubbles
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(00:01:56)
  • Key Takeaway: Trading and speculation have become deeply integrated into modern pop culture, characterized by people constantly watching rising lines on charts.
  • Summary: Trading and speculation are now part of the general culture, with people frequently monitoring asset charts, such as Bitcoin. The anxiety surrounding speculative activity often splits people into two camps: those missing out and those worried about timing the top. Only a very small fraction of people are genuinely pleased with their timing during a bubble.
Motivation for 1929 Book
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(00:04:25)
  • Key Takeaway: Andrew Ross Sorkin wrote 1929: Inside the Greatest Crash in Wall Street History–and How It Shattered a Nation to provide a visceral, human understanding of the characters involved, which was lacking in prior historical accounts.
  • Summary: The author felt existing accounts of the 1929 crash lacked granular detail about the motivations and personal lives of the key players. He aimed to write a narrative that humanized the history, similar to works by Michael Lewis or A Night to Remember. Archival research proved difficult because key figures did not keep detailed personal notes, requiring years to piece together the narrative.
Key Figures of 1929
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(00:06:37)
  • Key Takeaway: Charles Mitchell, head of National City (Citigroup precursor), pioneered modern consumer credit for stock purchases, while John Rascob, compared to Elon Musk, advocated for the five-day work week.
  • Summary: Charles Mitchell, who effectively invented modern individual credit for stock buying, was a central, complex figure whose influence paralleled modern banking leaders. John Rascob was a highly influential figure involved with GM, credit innovation, and political maneuvering, who also championed the five-day work week as an economic boon. Senator Carter Glass served as an early critic, railing against ‘Mitchellism’ and the system’s reliance on debt and leverage.
Retail Leverage and Consumerism
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(00:09:30)
  • Key Takeaway: The 1920s saw the nascent consumer concept of buying goods on credit (like cars) being directly transported to the stock market, enabling extreme retail leverage.
  • Summary: Brokerages proliferated, offering leverage where an investor could put down a dollar and borrow ten to buy stock, making it feel like ‘free money’ when the market rose. This was the first time such widespread leverage was accessible to the public. The lack of regulatory disclosures, as the SEC did not yet exist, meant investors often lacked fundamental information like P/E ratios.
Technology Parallels: RCA vs. NVIDIA
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(00:10:38)
  • Key Takeaway: RCA in the 1920s, holding patents for both radio and television, served as the era’s equivalent of NVIDIA, representing excitement over uncapped technological futures.
  • Summary: RCA was the meme stock of the 1920s, embodying the belief that a new technology (radio/TV) would yield limitless returns, similar to current AI enthusiasm. Despite the future potential, RCA’s stock plummeted from over $530 to $3 between the peak and 1932. Financial data like prospectuses and P/E ratios were scarce, as disclosures were minimal before the SEC’s creation.
Celebrity and Market Obsession
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(00:13:11)
  • Key Takeaway: Prominent figures like Winston Churchill and Groucho Marx were deeply engrossed in margin trading during the 1929 boom, often suffering losses when the market crashed.
  • Summary: Winston Churchill was actively trading on the floor of the stock exchange in October 1929 and lost money before attending a dinner with leading bankers on the night the market collapsed. Groucho Marx was reportedly living at a brokerage house trying to re-tape prices daily and had to mortgage his home to cover margin calls. This highlights the pervasive cultural obsession with the market across various societal levels.
Post-Crash Policy Failures
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(00:19:47)
  • Key Takeaway: The subsequent Great Depression was exacerbated by poor policy decisions following the crash, including the Smoot-Hawley tariffs and the Federal Reserve’s inaction.
  • Summary: The tariffs (Smoot-Hawley) and Treasury Secretary Andrew Mellon’s stance that speculators should ’eat it’ contributed significantly to deepening the downturn into a depression. The newly formed Federal Reserve, fearing political backlash or dissolution, largely sat on its hands, failing to use its tools effectively. The Fed’s primary tool, the rate on margin lending, was largely ignored, leading them to rely on ineffective ‘moral suasion’ directed at banks.
Overconfidence Post-1907
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(00:23:17)
  • Key Takeaway: The successful resolution of the 1907 panic by J.P. Morgan fostered an overconfidence among elite financiers that they could solve any crisis, a belief that proved false in 1929.
  • Summary: The 1907 crisis was resolved when J.P. Morgan physically gathered bankers and forced a solution, leading to a belief that the right people in a room could solve anything. This overconfidence, shared by leaders like Thomas Lamont, meant they failed to recognize the scale of the 1929 market collapse until it was too late. This contrasts with the modern belief that the government possesses an endless series of tools to stop any downturn.
Astrology and Market Influence
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(00:25:44)
  • Key Takeaway: Astrologer Evangelina Adams was taken seriously by financiers, including J.P. Morgan, and received credit for the 1929 boom after predicting a rise just before the crash.
  • Summary: Evangelina Adams held significant sway, with financiers visiting her office in Carnegie Hall for stock tips, even summoning ‘animal spirits’ during the crash days. She gained notoriety for predicting a market rise in September 1929, which was then widely publicized. This demonstrates the non-rational elements influencing market sentiment during that period.
Information Speed and Manipulation
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(00:27:20)
  • Key Takeaway: Information transfer in 1929 was extremely slow, with the NYSE board falling hours behind, while elite traders like Jesse Livermore used dedicated phone lines for informational advantage.
  • Summary: The New York Stock Exchange’s physical board was often hours out of date, forcing thousands of investors to crowd the streets seeking real-time information. Jesse Livermore maintained an advantage by using his own dedicated phone lines to receive bids directly from the floor, effectively creating the era’s version of low-latency trading. Furthermore, journalists were sometimes directly paid in cash by interested parties to write favorable stock rumors, as insider trading laws did not exist.
Circular Dealing and Investment Trusts
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(00:33:15)
  • Key Takeaway: The 1929 market featured investment trusts that created ’leverage upon leverage’ in a Russian doll structure, mirroring modern concerns about circular dealing among AI companies.
  • Summary: Investment trusts in the 1920s often layered leverage upon existing leverage, creating opaque structures where the underlying assets were unclear. This structure is compared to modern concerns about circular financing arrangements among AI firms. Companies like MicroStrategy (formerly MicroStrategy, led by Michael Saylor) are cited as contemporary examples of businesses whose structure resembles these old investment trusts.
Shattering the National Psyche
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(00:37:32)
  • Key Takeaway: The crash shattered the national psyche, exemplified by individuals like the author’s grandfather refusing to buy stock for the rest of their lives due to witnessing the trauma.
  • Summary: The crash and subsequent Great Depression, marked by 25% unemployment and Hoovervilles, came close to ripping apart the nation’s psyche generationally. The author’s grandfather, having witnessed a messenger boy jump from a window, never bought stock again, viewing it as inherently too risky. Trust in the market took decades to rebuild, largely recovering only after the economic boom following World War II.
CEO Silence and Political Risk
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(00:39:51)
  • Key Takeaway: Current CEOs are hesitant to speak out against the Trump administration due to the perceived high downside risk of political reprisal versus low upside for immediate policy change.
  • Summary: Most CEOs are reportedly troubled by aspects of the Trump administration’s actions but remain silent, fearing negative consequences from the administration. While they appreciate deregulation and the idea of reducing quarterly earnings reports, the current political climate forces business leaders to act almost as politicians. The democratization of finance, by bringing private credit into retirement accounts, is seen as a modern parallel to 1929-era risk-taking.