Intertek (ITRK-L)
FTSE 100 · Support services · data since 2002-05-24 · last close 2026-09-09
Intertek (ITRK-L) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -3.5 | 5.8 | -22.7 | 29.9 | 12.3 | 9.1 | 0.6 | 0.1 | 0.1 | · | · | · |
| 2025 | 8.1 | 0.5 | -2.5 | -8.4 | 4.4 | -1.0 | 4.2 | -5.1 | 0.7 | 7.3 | -8.7 | 0.0 |
| 2024 | 5.8 | 2.9 | 7.8 | -0.8 | -3.4 | 0.4 | 5.3 | -2.0 | 4.3 | -9.9 | 1.5 | 0.3 |
| 2023 | 7.7 | -3.9 | -2.9 | 2.5 | -0.0 | 2.7 | 2.3 | -5.1 | -0.7 | -7.0 | 4.2 | 6.5 |
| 2022 | -5.1 | 0.8 | -3.0 | -4.1 | -7.4 | -9.3 | 4.0 | -9.5 | -6.4 | -1.4 | 10.7 | -0.3 |
| 2021 | -2.3 | -2.9 | 4.6 | 9.6 | -11.6 | 1.9 | -6.8 | 2.2 | -5.5 | -1.6 | 9.1 | 5.4 |
| 2020 | -1.6 | -8.5 | -10.3 | 0.5 | 15.9 | -1.2 | -1.1 | 9.3 | 7.8 | -12.0 | -0.9 | 2.3 |
| 2019 | 2.3 | 3.6 | -4.5 | 10.2 | -1.0 | 3.9 | 3.7 | -4.9 | 0.9 | -2.3 | 3.1 | 6.1 |
| 2018 | -3.2 | -2.2 | -5.2 | 5.2 | 11.5 | 4.6 | 2.9 | -12.7 | -2.8 | -6.1 | 0.2 | 2.2 |
| 2017 | -2.6 | 4.0 | 11.5 | 3.4 | 5.7 | -1.9 | 2.0 | 18.8 | -2.5 | 8.9 | -3.6 | -0.8 |
| 2016 | 1.9 | 3.3 | 8.4 | 2.8 | -3.7 | 10.9 | 4.2 | -3.7 | -0.1 | -2.0 | -3.8 | 5.8 |
| 2015 | -1.8 | 10.3 | -1.3 | 4.6 | -4.2 | -2.0 | -0.1 | 3.6 | -4.1 | 8.0 | 7.7 | -1.8 |
| 2014 | -10.0 | 3.9 | 4.5 | -5.4 | 0.4 | -5.8 | -6.7 | 9.2 | -6.4 | 3.9 | -14.2 | -0.0 |
| 2013 | 0.3 | 7.4 | 1.6 | -2.5 | -2.8 | -9.1 | 3.5 | 5.8 | 3.2 | 0.8 | -8.8 | 3.6 |
| 2012 | 3.8 | 9.6 | 8.5 | 0.2 | 5.2 | 1.0 | 2.3 | 3.0 | -2.7 | 2.9 | 9.6 | 0.3 |
| 2011 | -2.1 | 3.9 | 12.8 | 4.5 | -3.7 | -3.6 | -2.9 | 5.4 | -8.1 | 10.8 | -6.4 | 5.8 |
| 2010 | -3.6 | 6.0 | 13.7 | 2.1 | -4.5 | 1.5 | 9.3 | 6.8 | 8.7 | 1.4 | -2.2 | -2.1 |
| 2009 | 8.9 | -2.9 | 6.9 | 15.3 | 2.6 | -0.5 | -0.4 | 16.4 | 5.0 | -1.1 | -7.3 | 7.8 |
| 2008 | -11.6 | 2.7 | 14.8 | -5.7 | 5.1 | -3.4 | 2.5 | -2.8 | -15.3 | -12.2 | 3.1 | 3.8 |
| 2007 | 2.9 | 0.6 | 5.1 | 3.1 | -2.2 | 7.7 | 0.7 | -0.9 | -3.6 | 8.7 | -12.1 | 9.4 |
| 2006 | 8.1 | -0.5 | 9.7 | 0.2 | -16.1 | 1.2 | -6.5 | 5.6 | 12.9 | 5.5 | -6.2 | 8.0 |
| 2005 | 3.5 | -4.4 | 10.8 | -1.9 | -0.5 | -7.1 | 1.6 | 5.8 | -9.4 | 4.2 | 0.0 | -2.2 |
| 2004 | 1.4 | 3.1 | 7.7 | -0.9 | 5.2 | 5.7 | -2.6 | 2.7 | 4.9 | 14.7 | 2.5 | 0.0 |
| 2003 | -12.0 | -3.5 | 1.9 | 3.6 | 21.9 | -1.9 | 6.2 | 3.1 | 7.8 | 0.3 | 0.3 | -10.5 |
| 2002 | · | · | · | · | 1.6 | -2.2 | -12.7 | 13.6 | -7.8 | 11.6 | -5.3 | -2.8 |
| Avg | -0.2 | 1.6 | 3.2 | 2.8 | 1.2 | 0.1 | 0.6 | 2.6 | -0.8 | 1.4 | -1.1 | 2.0 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
ITRK-L seasonality — average by calendar month
Intertek has monthly history back to 2002. Its strongest month by median is March — positive in 16 of 24 years, median +4.8%. September is the soft spot, down in 14 of 24 with a median of -1.6%. Across its full record it has closed 57% of months higher, swings ±6.7% in an average month and has fallen 44.3% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -0.2% | +1.6% | +3.2% | +2.8% | +1.2% | +0.1% | +0.6% | +2.6% | -0.8% | +1.4% | -1.1% | +1.9% |
| Win rate | 50%/24 | 67%/24 | 67%/24 | 67%/24 | 48%/25 | 48%/25 | 64%/25 | 64%/25 | 42%/24 | 58%/24 | 50%/24 | 58%/24 |
Win rate = share of positive months / sample size.
ITRK-L risk & extremes
ITRK-L 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 Intertek's best month?+
Intertek's strongest completed month on record is April 2026, at +29.85%.
What was Intertek's worst month?+
Its weakest completed month on record is March 2026, at -22.74%.
Is Intertek up this year?+
Intertek is up 26.48% year to date, measured from its last close before 1 January.
What is Intertek's 1-year return?+
+24.45% 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 Intertek's biggest drawdown?+
The deepest peak-to-trough fall on record is 44.3%, measured on month-end closes since 2002.
Which calendar month is historically best for Intertek?+
March has the highest average return across every completed March since 2002. An average is not a forecast.
About Intertek
Intertek is a FTSE 100 company, a support services business worth about $12 billion. Tracked here from its first session onward — every monthly, quarterly and weekly return on record since 2002, with no gaps filled in and nothing smoothed. And the long game: $100 at its first close here (2002) would be about $1,333 today.
Did you know?
- Its best month on record was April 2026 at +29.85%; its worst, March 2026 at -22.74%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.