Teledyne Technologies (TDY)
S&P 500 · Tech Top 100 · Information Technology · data since 1999-11-23 · last close 2026-09-09
Teledyne Technologies (TDY) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 21.4 | 9.8 | -11.2 | 6.8 | -4.0 | 7.6 | -1.7 | -6.5 | -2.9 | · | · | · |
| 2025 | 10.2 | 0.7 | -3.4 | -6.4 | 7.0 | 2.7 | 7.6 | -2.3 | 8.9 | -10.1 | -5.2 | 2.2 |
| 2024 | -6.2 | 2.1 | 0.5 | -11.1 | 4.1 | -2.3 | 8.7 | 2.6 | 1.1 | 4.0 | 6.6 | -4.3 |
| 2023 | 6.1 | 1.4 | 4.0 | -7.4 | -6.2 | 5.8 | -6.5 | 8.8 | -2.3 | -8.3 | 7.6 | 10.8 |
| 2022 | -3.5 | 1.9 | 10.1 | -8.7 | -6.1 | -7.4 | 4.3 | -5.9 | -8.4 | 17.9 | 5.6 | -4.8 |
| 2021 | -8.9 | 3.9 | 11.5 | 8.2 | -6.3 | -0.1 | 8.1 | 2.3 | -7.3 | 4.6 | -7.5 | 5.2 |
| 2020 | 5.3 | -7.6 | -11.9 | 9.6 | 14.9 | -16.9 | -1.4 | 2.3 | -1.1 | -0.3 | 22.3 | 3.7 |
| 2019 | 8.3 | 5.3 | 0.4 | 4.8 | -5.1 | 16.1 | 6.4 | 5.9 | 4.3 | 2.4 | 3.8 | 1.3 |
| 2018 | 5.4 | -2.6 | 0.7 | -0.0 | 7.7 | -1.2 | 10.2 | 8.1 | 4.0 | -10.3 | 1.5 | -7.8 |
| 2017 | -0.1 | 7.0 | -3.8 | 6.6 | -2.5 | -2.9 | 6.8 | 10.1 | 6.1 | 6.8 | 9.6 | -2.7 |
| 2016 | -8.4 | 4.8 | 3.5 | 5.5 | 5.6 | 0.9 | 6.0 | 2.0 | 0.7 | -0.2 | 16.0 | -1.5 |
| 2015 | -7.5 | 6.1 | 5.8 | -1.6 | -3.5 | 4.1 | -1.7 | -5.6 | -7.8 | -1.2 | 3.7 | -4.1 |
| 2014 | 0.0 | 6.7 | -0.7 | -4.6 | 2.1 | 2.5 | -6.1 | 6.4 | -3.1 | 10.2 | 3.2 | -3.9 |
| 2013 | 4.9 | 7.8 | 6.6 | -4.3 | 2.9 | 0.2 | 3.6 | -3.7 | 10.1 | 4.6 | 4.4 | -0.9 |
| 2012 | 3.5 | 5.0 | 5.8 | 2.5 | -7.8 | 3.5 | 1.1 | 3.5 | -1.7 | 1.0 | -1.6 | 3.3 |
| 2011 | 7.6 | 10.7 | -1.3 | -2.4 | -2.8 | 2.6 | 7.7 | 0.7 | -10.5 | 11.5 | 4.1 | -3.2 |
| 2010 | -2.9 | 1.1 | 9.6 | 5.7 | -9.8 | -1.9 | 6.3 | -11.8 | 10.1 | 4.4 | -3.3 | 9.3 |
| 2009 | -37.4 | -17.8 | 16.5 | 19.7 | 2.9 | -0.4 | -0.1 | 3.1 | 6.6 | -5.1 | -1.9 | 14.4 |
| 2008 | -3.2 | -14.0 | 5.9 | 25.0 | -5.2 | -12.4 | 28.9 | -0.9 | -8.3 | -20.3 | -10.9 | 9.7 |
| 2007 | -4.9 | -0.3 | -1.6 | 17.8 | 4.5 | -0.3 | -3.4 | 12.5 | 7.0 | -2.0 | 3.6 | -1.6 |
| 2006 | 12.3 | 1.4 | 7.5 | 2.3 | -5.9 | -4.3 | 16.5 | 0.5 | 3.3 | 5.3 | -3.6 | -0.2 |
| 2005 | 2.2 | 1.7 | 2.4 | -2.8 | 3.9 | 3.0 | 16.5 | 1.8 | -10.8 | 2.3 | -7.2 | -11.1 |
| 2004 | 2.1 | 5.3 | -7.7 | 1.5 | -3.0 | 8.7 | 8.2 | 11.5 | 3.7 | 2.1 | 16.1 | -0.9 |
| 2003 | -20.0 | 1.6 | -0.7 | 11.2 | 6.8 | -12.9 | 15.9 | 0.5 | -4.6 | 13.3 | 4.2 | 9.7 |
| 2002 | -4.8 | 5.5 | 1.4 | 2.5 | 18.5 | 3.0 | -25.1 | 14.5 | 2.0 | -20.4 | 2.8 | 5.5 |
| 2001 | -19.6 | -31.3 | 7.2 | -6.1 | 25.5 | -7.9 | -9.9 | 12.6 | 3.4 | -4.9 | -3.1 | 10.8 |
| 2000 | -2.0 | -6.1 | 113.0 | -5.4 | -9.6 | 19.4 | 4.6 | 1.9 | 44.7 | -13.9 | -23.2 | 22.7 |
| 1999 | · | · | · | · | · | · | · | · | · | · | 4.4 | 7.1 |
| Avg | -1.5 | 0.4 | 6.3 | 2.5 | 1.1 | 0.3 | 4.1 | 2.8 | 1.7 | -0.3 | 1.9 | 2.5 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
TDY seasonality — average by calendar month
Teledyne Technologies has monthly history back to 1999. Its strongest month by median is July — positive in 18 of 27 years, median +6.0%, and higher in 6 of the last 9. May is the soft spot, down in 14 of 27 with a median of -2.5%. Across its full record it has closed 59% of months higher, swings ±10.9% in an average month and has fallen 66.2% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -1.5% | +0.4% | +6.3% | +2.5% | +1.1% | +0.3% | +4.1% | +2.8% | +1.9% | -0.3% | +1.9% | +2.5% |
| Win rate | 48%/27 | 74%/27 | 67%/27 | 56%/27 | 48%/27 | 52%/27 | 67%/27 | 74%/27 | 58%/26 | 54%/26 | 63%/27 | 52%/27 |
Win rate = share of positive months / sample size.
TDY risk & extremes
TDY 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 Teledyne Technologies's best month?+
Teledyne Technologies's strongest completed month on record is March 2000, at +112.95%.
What was Teledyne Technologies's worst month?+
Its weakest completed month on record is January 2009, at -37.44%.
Is Teledyne Technologies up this year?+
Teledyne Technologies is up 16.54% year to date, measured from its last close before 1 January.
What is Teledyne Technologies's 1-year return?+
+9.26% 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 Teledyne Technologies's biggest drawdown?+
The deepest peak-to-trough fall on record is 66.2%, measured on month-end closes since 1999.
Which calendar month is historically best for Teledyne Technologies?+
March has the highest average return across every completed March since 1999. An average is not a forecast.
About Teledyne Technologies
Teledyne Technologies is an S&P 500 company, an information technology business worth about $28 billion. It sells the picks and shovels of the digital gold rush — with price receipts on this site going back to 1999. And the long game: $100 at its first close here (1999) would be about $6,960 today.
Did you know?
- Its best month on record was March 2000 at +112.95%; its worst, January 2009 at -37.44%.
- It has closed February in the green 20 out of 27 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.