History of Market · The Chronicle of the U.S. Stock Market Semiconductors
Gathering III · leaf 1 of 12
PHLX SOX · 1994 to present

PHLX SOX · 1994 to present — Three decades of the Philadelphia Semiconductor Index

30-year chart — The Philadelphia Semiconductor Index's full arc since 1994.

Daily closes since May 1994, with the drawdown ribbon beneath. The chart spans two crashes (2000, 2008), two mid-cycle drawdowns (2018, 2022) and the AI-era bull — the highest-amplitude industry in U.S. equities on a single canvas.

View the interactive chart Download raw JSON

What this page answers

The latest reading for the Philadelphia Semiconductor Index (SOX) is 12,456.00 (2026-08-13). The series starts 1994-05-04 and holds 8124 observations; the long-run mean is 1,308.83, the all-time high 14,634.72 (2026-06-22) and the low 110.71 (1994-05-17).

Daily closes since May 1994, with the drawdown ribbon beneath. The chart spans two crashes (2000, 2008), two mid-cycle drawdowns (2018, 2022) and the AI-era bull — the highest-amplitude industry in U.S. equities on a single canvas. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.

The plate

PHLX SOX · 1994 to present — Three decades of the Philadelphia Semiconductor Index2005001,0002,0005,00010,000200020102020
Plate III.1 Daily closes since May 1994, with the drawdown ribbon beneath. The chart spans two crashes (2000, 2008), two mid-cycle drawdowns (2018, 2022) and the AI-era bull — the highest-amplitude industry in U.S. equities on a single canvas. 2026-08-14

Latest Snapshot

Updated
2026-08-14
Latest close
12,4562026-08-13
Observations
8,124
Sample
1994-05-04 – 2026-08-13

Philadelphia Semiconductor Index (SOX) — year-end readings

Philadelphia Semiconductor Index (SOX) — year-end readings
DateValue
2026-08-1312,456.00
2025-12-317,083.13
2024-12-314,979.93
2023-12-294,175.47
2022-12-302,532.11
2021-12-313,946.17
2020-12-312,795.50
2019-12-311,849.62
2018-12-311,155.17
2017-12-291,253.05
2016-12-30906.47
2015-12-31663.48
2014-12-31686.87
2013-12-31535.03
2012-12-31384.06
2011-12-30364.26
2010-12-31411.62
2009-12-31359.74
2008-12-31212.07
2007-12-31407.84
2006-12-29466.81
2005-12-30479.26
2004-12-31433.10
2003-12-31507.87
2002-12-31289.10
2001-12-31521.91
2000-12-29576.33
1999-12-31704.22
1998-12-31350.39
1997-12-31263.50
1996-12-31240.18
1995-12-29200.56
1994-12-30140.02

Showing the 33 most recent of 8124 observations — the full series is in the JSON: https://historyofmarket.com/api/semi/price.json

Data & Source

GET /api/semi/price.json — Canonical dataset endpoint.

Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.

FAQ

What is the latest Philadelphia Semiconductor Index (SOX) reading?

12,456.00 as of 2026-08-13. The long-run average is 1,308.83.

What period does the Philadelphia Semiconductor Index (SOX) data cover?

1994-05-04 through 2026-08-13 — 8124 observations.

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.