“Someone’s sitting in the shade today because someone planted a tree a long time ago.”
— Warren Buffett
One of the most important things investors can learn from Warren Buffett, is about how they approach their time horizon for an investment into a stock under consideration. Because immediately after buying shares of a given stock, investors will then be able to check on the day-to-day (and even minute-by-minute) market value. Some days the stock market will be up, other days down. These daily fluctuations can often distract from the long-term view. Today, we look at the result of a two-decade holding period for an investor who was considering Duke Energy Corp (NYSE: DUK) back in 2005, bought the stock, ignored the market’s ups and downs, and simply held through to today.
| Start date: | 07/25/2005 |
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| End date: | 07/23/2025 | ||||
| Start price/share: | $51.51 | ||||
| End price/share: | $119.51 | ||||
| Starting shares: | 194.14 | ||||
| Ending shares: | 489.67 | ||||
| Dividends reinvested/share: | $67.07 | ||||
| Total return: | 485.20% | ||||
| Average annual return: | 9.23% | ||||
| Starting investment: | $10,000.00 | ||||
| Ending investment: | $58,499.72 | ||||
The above analysis shows the two-decade investment result worked out well, with an annualized rate of return of 9.23%. This would have turned a $10K investment made 20 years ago into $58,499.72 today (as of 07/23/2025). On a total return basis, that’s a result of 485.20% (something to think about: how might DUK shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]
Notice that Duke Energy Corp paid investors a total of $67.07/share in dividends over the 20 holding period, marking a second component of the total return beyond share price change alone. Much like watering a tree, reinvesting dividends can help an investment to grow over time — for the above calculations we assume dividend reinvestment (and for this exercise the closing price on ex-date is used for the reinvestment of a given dividend).
Based upon the most recent annualized dividend rate of 4.26/share, we calculate that DUK has a current yield of approximately 3.56%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 4.26 against the original $51.51/share purchase price. This works out to a yield on cost of 6.91%.
One more piece of investment wisdom to leave you with:
“If investing is entertaining, if you’re having fun, you’re probably not making any money. Good investing is boring.” — George Soros
