History of Market · The Chronicle of the U.S. Stock Market historyofmarket.com
Nasdaq · § II
VXN · Nasdaq 100 Fear Index

VXN · Nasdaq 100 Fear Index

Above 35, tech has already entered systemic risk territory.

This page is the landing card for the VXN · Nasdaq 100 Fear Index chart — one panel inside History of Market, a century-scale editorial chronicle of the U.S. stock market. The interactive visualization, the surrounding Nasdaq narrative, and cross-references to related panels all live on the main chronicle page; this card carries the same canonical data and links through to it.

The underlying dataset is published as a machine-readable JSON endpoint, refreshed automatically by a daily scraper pipeline and held under a CC BY 4.0 licence. You are welcome to read it, cite it, embed it, or hand it to an AI agent for analysis — attribution to History of Market is the only ask.

View the interactive chart → Download the raw JSON

GET /api/ndx/vxn.json  —  canonical dataset endpoint (application/json, CORS-open).