SOXX vs SMH · metadata, overlap, ten-year return — SOXX vs. SMH: Divergent Concentration Profiles in Semiconductor ETFs
SOXX vs SMH Methodology Comparison — Structural divergence in weighting rules, individual stock caps, and long-term performance tracking between rival semiconductor ETFs.
The plate
Comparing two flagship semiconductor ETFs. SMH concentrates capital in 25 names with a 20% cap (led by NVDA and TSM), while SOXX holds 30 names with an 8% cap. SMH's heavy concentration in AI market leaders delivered substantial alpha during the recent expansion.
What this page answers
This static page is built to answer searches for SOXX vs SMH · metadata, overlap, ten-year return. It summarizes the live dataset behind the SOXX vs. SMH: Divergent Concentration Profiles in Semiconductor ETFs panel and links to the full interactive chart.
Comparing two flagship semiconductor ETFs. SMH concentrates capital in 25 names with a 20% cap (led by NVDA and TSM), while SOXX holds 30 names with an 8% cap. SMH's heavy concentration in AI market leaders delivered substantial alpha during the recent expansion. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
Data & Source
GET /api/semi/etf-compare.json — Canonical dataset endpoint.
Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.
FAQ
Where does this data come from?
History of Market combines public market and macro datasets — exchange closing prices, company filings, Robert Shiller, FRED, NBER, and the UBS Global Investment Returns Yearbook (Dimson–Marsh–Staunton). The exact endpoint for this panel is linked below.
How often is it updated?
Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh on Sunday. The timestamp shown on this page comes from the JSON payload.
Can I use the data?
Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.