Technology Select Sector (XLK): Twenty-Seven Year Historical Arc
XLK, tech sector ETF: $194.53 as of 2026-09-28.
Tech Sector 27-Year History — Complete trajectory of the Technology Select Sector SPDR Fund (XLK) since its 1998 inception.
The plate
Latest Snapshot
- Observations
- 6,983
- Sample
- 1998-12-22 – 2026-09-28
Tracing XLK from its December 1998 launch through the dot-com liquidation (-83%), the 2008 financial crisis (-50%), the 2022 tightening (-34%), and the AI-driven expansion.
What this page answers
This static page is built to answer searches for XLK · 1998 to present. It summarizes the live dataset behind the Technology Select Sector (XLK): Twenty-Seven Year Historical Arc panel and links to the full interactive chart.
Tracing XLK from its December 1998 launch through the dot-com liquidation (-83%), the 2008 financial crisis (-50%), the 2022 tightening (-34%), and the AI-driven 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/xlk/price.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.