What if you'd held SU?
A $1,000 investment in Suncor Energy Inc. (SU) at the month-end close of 1980-03 would be worth $2.07M at the close of 2026-08 — +206863.2% total return, dividends reinvested. The same $1,000 in the S&P 500 would be worth $75,502.
Your scenario
Result
If you'd bought $1,000 at the start of each year
Value of $1,000 invested on January 1 of each year, held to 2026-08, dividends included.
Every year, $1,000 from 1980
| Year | Value of $1,000 | Year return |
|---|---|---|
| 1980 | $1,000 | — |
| 1981 | $1,066 | +6.6% |
| 1982 | $7,989 | +649.3% |
| 1983 | $7,191 | -10.0% |
| 1984 | $2,930 | -59.3% |
| 1985 | $2,662 | -9.2% |
| 1986 | $2,529 | -5.0% |
| 1987 | $1,066 | -57.8% |
| 1988 | $2,129 | +99.7% |
| 1989 | $4,129 | +94.0% |
| 1990 | $1,996 | -51.6% |
| 1991 | $665 | -66.7% |
| 1992 | $665 | 0.0% |
| 1993 | $24,632 | +3601.7% |
| 1994 | $25,551 | +3.7% |
| 1995 | $37,070 | +45.1% |
| 1996 | $49,945 | +34.7% |
| 1997 | $84,415 | +69.0% |
| 1998 | $75,419 | -10.7% |
| 1999 | $107,335 | +42.3% |
| 2000 | $134,063 | +24.9% |
| 2001 | $176,085 | +31.3% |
| 2002 | $169,268 | -3.9% |
| 2003 | $273,426 | +61.5% |
| 2004 | $389,136 | +42.3% |
| 2005 | $697,066 | +79.1% |
| 2006 | $874,290 | +25.4% |
| 2007 | $1.21M | +38.4% |
| 2008 | $435,816 | -64.0% |
| 2009 | $796,136 | +82.7% |
| 2010 | $874,118 | +9.8% |
| 2011 | $666,239 | -23.8% |
| 2012 | $774,364 | +16.2% |
| 2013 | $840,923 | +8.6% |
| 2014 | $782,460 | -7.0% |
| 2015 | $655,397 | -16.2% |
| 2016 | $851,335 | +29.9% |
| 2017 | $986,143 | +15.8% |
| 2018 | $769,305 | -22.0% |
| 2019 | $939,346 | +22.1% |
| 2020 | $500,952 | -46.7% |
| 2021 | $776,158 | +54.9% |
| 2022 | $1.03M | +32.3% |
| 2023 | $1.09M | +6.0% |
| 2024 | $1.26M | +16.2% |
| 2025 | $1.61M | +27.1% |
| 2026 | $2.48M | +54.3% |
Best and worst month-end to buy
The best single month-end close to have bought SU was 1981-08 ($0.01): $1,000 then is $5.31M today. The worst was 2026-04 ($68.01): $1,000 then is $992.
FAQ
What would $1,000 in SU be worth today?
A $1,000 investment in Suncor Energy Inc. (SU) at the start of 1980 would be worth about $2.07M today, a total return of +206863.2%. Dividends are reinvested in these figures.
What were the best and worst years for SU?
Suncor Energy Inc. (SU)'s strongest calendar year since 1980 was 1993, a +3601.7% return — $1,000 held through that year became about $37,017 by year-end. Its weakest year was 1991, at -66.7%.
Does the calculator include dividends and splits?
Yes where available. Prices are adjusted for both stock splits and reinvested dividends (total return), the same measure brokerages use.
How much would $100 per month in SU have grown?
Investing $100 at the end of every month since 1980-03 would have grown to about $27.14M on $55,800 invested.
Did SU beat the S&P 500?
Over the same period, $1,000 in the S&P 500 index would be worth $75,502. SU beat the S&P 500 by +2641.2% in total return.
Is this investment advice?
No. Wall Street Regrets is an entertainment and education tool. Every number is a historical calculation, not a prediction, and past performance never guarantees future results.
Methodology
Suncor Energy Inc. (SU) historical total-return data from 1980-03 to 2026-08, reduced to month-end closes for the tables above.
Returns use adjusted close prices from Yahoo Finance historical data — adjusted for stock splits and reinvested dividends — the same convention used by major brokerages. A "year" scenario invests $1,000 at the prior December's month-end close and values it at the latest available month-end close. Non-USD amounts are converted at historical month-end exchange rates (Yahoo Finance): to USD on the buy date and back to your currency at the latest rate, so the return reflects the currency move as well as the asset.
Month-end resolution means intra-month extremes are not captured in tables; the calculator uses exact trading-day closes where daily data is available. Figures ignore taxes, fees, and the currency effects of non-USD listings. History is not a forecast. Wall Street Regrets is entertainment, not investment advice.
What if you'd held…
Data: adjusted close prices via Yahoo Finance. As of 2026-08. Not financial advice.