The Overlapping Valuation Thesis: Understanding the Nasdaq’s Structural Premium

Currently, the market is experiencing a persistent, low-volatility upward grind, with the Nasdaq noticeably outpacing both the S&P 500 and the Dow Jones. While mainstream analysis attributes this entirely to AI enthusiasm and earnings growth, looking closely at modern market plumbing reveals a structural mechanic at play: valuation overlap.

Due to a combination of regulatory reporting thresholds and modern index construction, the Nasdaq is experiencing a partial circularity in its valuation. Here is a breakdown of the mechanics driving this divergence, the algorithmic feedback loop amplifying it, and how we are positioning for it.