Amphenol (APH)
S&P 500 · Top 100 by market cap · Tech Top 100 · Information Technology · data since 1991-11-08 · last close 2026-09-09
Amphenol (APH) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6.6 | 1.4 | -13.3 | 16.6 | 1.0 | 18.7 | -8.9 | -1.3 | 2.6 | · | · | · |
| 2025 | 1.9 | -5.9 | -1.3 | 17.3 | 16.9 | 10.0 | 7.9 | 2.2 | 13.8 | 12.6 | 1.1 | -3.9 |
| 2024 | 2.0 | 8.1 | 5.8 | 4.7 | 9.6 | 1.9 | -4.6 | 5.0 | -3.1 | 2.9 | 8.4 | -4.2 |
| 2023 | 4.8 | -2.8 | 5.7 | -7.7 | -0.0 | 12.9 | 4.0 | 0.1 | -4.7 | -4.1 | 13.0 | 9.2 |
| 2022 | -9.0 | -4.5 | -0.6 | -5.1 | -0.9 | -8.8 | 19.8 | -4.7 | -8.7 | 13.3 | 6.1 | -5.1 |
| 2021 | -4.5 | 0.6 | 5.2 | 2.1 | -0.1 | 1.9 | 6.0 | 5.7 | -4.3 | 4.8 | 5.0 | 8.8 |
| 2020 | -8.1 | -7.8 | -20.3 | 21.1 | 9.4 | -0.5 | 10.4 | 3.8 | -1.2 | 4.2 | 15.9 | 0.2 |
| 2019 | 8.5 | 6.9 | 0.7 | 5.4 | -12.6 | 10.6 | -2.7 | -6.2 | 10.5 | 4.0 | 3.7 | 4.3 |
| 2018 | 5.7 | -1.5 | -5.6 | -2.8 | 3.9 | 0.5 | 7.3 | 1.1 | -0.4 | -4.8 | -1.7 | -7.6 |
| 2017 | 0.4 | 2.5 | 3.1 | 1.6 | 3.2 | -0.8 | 3.8 | 5.6 | 4.8 | 2.8 | 4.1 | -2.9 |
| 2016 | -5.1 | 7.1 | 9.2 | -3.4 | 5.2 | -2.1 | 3.8 | 4.7 | 4.4 | 1.6 | 3.5 | -1.3 |
| 2015 | -0.2 | 5.1 | 4.6 | -6.0 | 3.0 | 1.8 | -2.7 | -7.2 | -2.4 | 6.4 | 1.5 | -4.9 |
| 2014 | -2.6 | 1.3 | 4.3 | 4.0 | 0.5 | 0.8 | -0.2 | 7.1 | -2.8 | 1.3 | 6.0 | 0.6 |
| 2013 | 4.4 | 4.9 | 5.5 | 1.2 | 3.1 | 0.2 | 0.8 | -3.5 | 2.4 | 3.8 | 5.9 | 5.2 |
| 2012 | 19.9 | 2.8 | 7.0 | -2.7 | -8.5 | 3.5 | 7.2 | 3.4 | -3.1 | 2.1 | 3.0 | 4.7 |
| 2011 | 4.8 | 3.9 | -5.3 | 2.8 | -3.3 | -0.1 | -9.4 | -3.9 | -13.2 | 16.5 | -4.5 | 0.2 |
| 2010 | -13.7 | 4.5 | 1.3 | 9.5 | -8.3 | -7.3 | 14.1 | -9.1 | 20.3 | 2.4 | -0.2 | 5.5 |
| 2009 | 9.1 | -2.8 | 12.2 | 18.8 | -1.3 | -5.2 | 5.4 | 4.8 | 7.8 | 6.5 | 2.7 | 12.1 |
| 2008 | -13.9 | -7.4 | 0.8 | 24.0 | 1.0 | -3.7 | 6.2 | -0.3 | -15.5 | -28.6 | -18.9 | 3.4 |
| 2007 | 9.1 | -4.6 | -0.0 | 8.8 | 1.9 | -0.3 | -3.9 | 5.4 | 10.2 | 11.3 | -2.1 | 7.0 |
| 2006 | 14.8 | -1.2 | 3.9 | 10.8 | -3.9 | 0.8 | 0.2 | 2.5 | 7.8 | 9.6 | 0.3 | -8.8 |
| 2005 | 7.0 | 1.4 | -7.1 | 6.5 | 7.5 | -5.2 | 10.9 | -4.8 | -4.8 | -0.9 | 4.5 | 6.0 |
| 2004 | 3.4 | -6.4 | -4.0 | 6.4 | 3.1 | 2.2 | -5.7 | -4.4 | 14.0 | 0.2 | 2.3 | 4.6 |
| 2003 | 7.2 | 0.1 | -0.1 | 8.7 | 6.7 | -0.9 | 15.3 | 1.0 | -4.5 | 12.9 | 3.0 | 5.6 |
| 2002 | -4.3 | -8.3 | 10.9 | -6.3 | 2.5 | -19.9 | 4.6 | 3.1 | -20.1 | 24.2 | 15.2 | -14.3 |
| 2001 | 23.5 | -26.2 | -11.8 | 33.6 | 20.3 | -20.9 | 3.6 | -2.5 | -14.1 | 28.2 | 6.4 | 1.4 |
| 2000 | 2.0 | 17.8 | 27.9 | 24.7 | -28.2 | 44.5 | -20.7 | 22.1 | -11.0 | 12.8 | -16.9 | -26.6 |
| 1999 | 7.9 | 10.0 | 6.8 | -9.8 | 9.1 | 5.7 | 8.5 | 8.6 | 5.9 | 19.2 | 15.7 | -2.6 |
| 1998 | -3.7 | 16.9 | -8.0 | 6.8 | -11.8 | -28.3 | 2.9 | -25.7 | 17.0 | -3.8 | -2.2 | -8.0 |
| 1997 | 15.7 | -1.0 | -2.0 | 1.5 | 9.8 | 39.5 | 6.9 | -5.6 | 9.9 | 19.4 | -1.5 | 9.7 |
| 1996 | -12.9 | 15.4 | -4.1 | 12.3 | -1.9 | -10.7 | -16.3 | 1.9 | 16.6 | -13.1 | 7.5 | 4.1 |
| 1995 | -5.2 | 8.2 | 1.5 | 12.0 | -1.3 | 5.4 | -6.9 | -9.7 | -11.7 | 0.0 | 4.0 | 7.8 |
| 1994 | 0.0 | -5.3 | -7.2 | 21.6 | -3.5 | -5.9 | 24.2 | 3.1 | 7.9 | -1.7 | 9.8 | 0.5 |
| 1993 | 10.7 | 8.1 | -11.9 | 6.8 | 25.4 | 5.1 | 6.0 | 14.8 | 10.9 | -1.8 | -5.5 | 26.9 |
| 1992 | 1.4 | -9.6 | -1.5 | -3.1 | -3.2 | -4.9 | -1.7 | -10.5 | 9.8 | -25.0 | 0.0 | 33.3 |
| 1991 | · | · | · | · | · | · | · | · | · | · | -16.2 | 16.1 |
| Avg | 2.5 | 0.9 | 0.4 | 6.9 | 1.5 | 1.1 | 2.7 | 0.2 | 1.5 | 4.1 | 2.3 | 2.5 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
APH seasonality — average by calendar month
Amphenol has monthly history back to 1991. Its strongest month by median is April — positive in 26 of 35 years, median +6.4%, and higher in 6 of the last 9. Across its full record it has closed 61% of months higher, swings ±9.9% in an average month and has fallen 63.4% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +2.5% | +0.9% | +0.4% | +6.9% | +1.6% | +1.1% | +2.7% | +0.2% | +1.4% | +4.1% | +2.3% | +2.5% |
| Win rate | 63%/35 | 57%/35 | 51%/35 | 74%/35 | 57%/35 | 51%/35 | 66%/35 | 57%/35 | 50%/34 | 71%/34 | 69%/35 | 66%/35 |
Win rate = share of positive months / sample size.
APH risk & extremes
APH drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was Amphenol's best month?+
Amphenol's strongest completed month on record is June 2000, at +44.47%.
What was Amphenol's worst month?+
Its weakest completed month on record is October 2008, at -28.62%.
Is Amphenol up this year?+
Amphenol is up 20.80% year to date, measured from its last close before 1 January.
What is Amphenol's 1-year return?+
+40.24% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Amphenol's biggest drawdown?+
The deepest peak-to-trough fall on record is 63.4%, measured on month-end closes since 1991.
Which calendar month is historically best for Amphenol?+
April has the highest average return across every completed April since 1991. An average is not a forecast.
About Amphenol
Amphenol is an S&P 500 company, an information technology business worth about $201 billion. It sells the picks and shovels of the digital gold rush — with price receipts on this site going back to 1991. And the long game: $100 at its first close here (1991) would be about $151,241 today.
Did you know?
- Its best month on record was June 2000 at +44.47%; its worst, October 2008 at -28.62%.
- It has closed April in the green 26 out of 35 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.