How I Invest with David Weisburd
Hosted by David Weisburd
Written by a model from the transcript; not yet reviewed.
This episode explores how passive investing and net inflows drive stock prices rather than traditional business fundamentals. The guest explains the concept of investment judo, showing how passive flows create self-reinforcing dynamics and massive market concentration, while examining real-world applications in companies like SpaceX and Altria. The discussion breaks down the mechanics of market-making, the decline of active management, and why traditional factor models and valuation metrics fail in today's index-dominated markets. It is worth listening to for its clear, data-backed breakdown of market elasticity and the structural risks facing modern investors.
The host introduces Michael Green and discusses Thiel’s unconventional interview question that drives out-of-the-ordinary thinking.
Green explains why passive investing is not truly passive, detailing how index reconstitution forces active trades and how this creates a self‑reinforcing flow.
The conversation shifts to how net inflows, not fundamentals, drive stock prices, using examples like sin stocks and ESG investing.
Green discusses how SpaceX’s IPO and NASDAQ inclusion created massive price swings through index arbitrage and liquidity provision.
The host promotes AlphaSense, highlighting its source‑verified AI answers for investors.
Green explains how leveraged ETFs create self‑generated flows that amplify market movements and volatility drag.
Green examines how index inclusion rules and passive inflows affect venture‑capital exits, SPACs, and the ability of smaller firms to go public.
The episode concludes with a debate on whether the passive bubble will burst, how it impacts value investing, and the potential for market downturns.
Challenging Conventional Thinkinginsight
The guest discusses Peter Thiel's famous interview question designed to isolate deviations from the crowd, which is essential for breakout investment performance.
The Inelastic Market Hypothesisdata
Drawing on research by Xavier Gabaix and Ralph Koijen, the guest explains that a dollar into the stock market creates about five dollars of market capitalization, revealing extreme market inelasticity.
Endogenous Leverage Mechanicsstrategy
The guest walks through the math of levered ETFs, demonstrating how daily rebalancing forces funds to buy more when prices rise and sell more when they fall.
The Rise of Market Facilitatorsinsight
Market makers and high-frequency trading firms optimize profit by partnering with noise and sunshine traders to hunt traditional active managers.
The Death of Traditional IPOsinsight
The decline of active management has starved traditional IPO roadshows of discretionary capital, shifting public listings toward index arbitrage models like SPACs.
“You should never straw man your opponent's arguments. You should steel man them.”
“Passive investing was not passive in any incarnation, that it was creating distortions by virtue of the fact that they transact.”
“The real key with SpaceX was twofold. One, it was heavily marketed to retail investors under a buy and hold approach.”
What if passive investing is actually one of the biggest active forces shaping markets today? In this episode, I sit down with Michael Green, Founder and CIO at Tier1 Alpha Asset Management. Michael challenges the conventional view that stock prices primarily reflect fundamentals, arguing that the transaction itself moves prices and that the rise of passive investing has fundamentally changed who trades, why they trade, and how markets respond to capital flows.
8,721 words · 2 speakers
Speaker names marked are inferred from speaking time and the show’s known hosts — they are not voice-verified.
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