$1,000 in Ecolab Inc. in 2003 → $15,099 today
If you'd invested $1,000 in Ecolab Inc. (ECL) on January 1, 2003 — at the December 2002 month-end close of $18.92 — and held to the latest close (2026-08-), you'd have $15,099. That's a +1409.9% total return — beating the S&P 500, where the same $1,000 became $8,761.
Nearby years: 2000 · 2001 · 2002 · 2004 · 2005 · 2006 · 2007 all years →
FAQ
How much is $1,000 invested in ECL in 2003 worth today?
$1,000 invested in Ecolab Inc. (ECL) at the month-end close of 2002-12- would be worth $15,099 at the latest month-end close (2026-08-), a total return of +1409.9% with dividends reinvested.
Did $1,000 in ECL in 2003 beat the market?
Over the same span, $1,000 in the S&P 500 index would be worth $8,761 — so Ecolab Inc. (ECL) beat the index by +72.4%.
What does "month-end close" mean for this calculation?
The scenario invests at the December 2002 month-end close (the price entering 2003) and values the position at the most recent month-end close (2026-08-). Intra-month extremes are shown on the ECL calculator page.
Is the 2003–2026 return in ECL typical?
No single year is typical. ECL's best calendar-year return since 1973 was about +69.8%, and its worst was -39.5%.
Methodology
Ecolab Inc. (ECL) total-return data from January 2003 through the latest month-end close (2026-08-).
The entry price is the 2002 December month-end close and the exit is the latest available month-end close, both from adjusted (split and dividend) Yahoo Finance historical data.
Month-end resolution, no taxes or fees, and history never guarantees the future. For exact-date precision (including buying at a panic low), use the ECL calculator page.
Compute your own ECL scenario
Data: Yahoo Finance. As of 2026-08-. Not financial advice.