The fast-track trap

Summary: Passive investing was built on the idea that market indices reflect genuine price discovery over time, but new fast-track index rules are changing that balance. This story explores how mega IPOs and mechanical index buying could make passive investing more vulnerable to hype, concentration risk and distorted valuations than many investors realise.

Summary: Passive investing was built on the idea that market indices reflect genuine price discovery over time, but new fast-track index rules are changing that balance. This story explores how mega IPOs and mechanical index buying could make passive investing more vulnerable to hype, concentration risk and distorted valuations than many investors realise. For decades, passive investing offered a compelling promise to investors worldwide: buy the market index at a low cost, minimise fees, ignore short-term noise and benefit from long-term economic growth. This model thrived when indices reflected genuine price discovery after companies proved their mettle through years of public scrutiny. Today, that foundation is shifting. Recent changes to Nasdaq listing and index inclusion rules, combined with the impending wave of trillion-dollar mega-IPOs (initial public offerings), are accelerating the transformation of markets into liquidity-distribution machines rather than pure price-discovery arenas. For Indian investors enthusiastically allocating to global passive vehicles, these developments warrant close attention. The rule changes at a glance Nasdaq has implemented ‘fast entry’ provisions effective May 1, 2026, for its Nasdaq-100 index. Qualifying mega-cap IPOs (those whose market cap would rank in the top 40 of the index, roughly over $100 billion) can now be added after just 15 trading days, evaluated as early as the seventh day. This bypasses traditional seasoning periods of several months to a year. Key relaxations include removing (or capping) strict minimum float requirements and adjusting market-cap calculations. S&

This article was originally published on June 01, 2026.