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“Someone’s sitting in the shade today because someone planted a tree a long time ago.”

— Warren Buffett

The wisdom of Warren Buffett reflects a value-based philosophy about investing that says investors are buying shares in a business, and encourages strategic thinking about investment time horizon. Before placing a buy order for a stock, a great question we can ask is whether we would still be comfortable making the investment if we couldn’t sell it for many years?

A “buy-and-hold” approach may call for a time horizon that spans a long period of time — maybe even lasting for a two-decade holding period. Suppose such a “buy-and-hold” investor had looked into buying shares of ConocoPhillips (NYSE: COP) back in 1999. Let’s take a look at how such an investment would have worked out for that buy-and-hold investor:

Start date: 12/20/1999
$10,000

12/20/1999
$72,399

12/18/2019
End date: 12/18/2019
Start price/share: $16.03
End price/share: $63.20
Starting shares: 623.83
Ending shares: 1,145.34
Dividends reinvested/share: $28.23
Total return: 623.85%
Average annual return: 10.40%
Starting investment: $10,000.00
Ending investment: $72,399.35

The above analysis shows the two-decade investment result worked out quite well, with an annualized rate of return of 10.40%. This would have turned a $10K investment made 20 years ago into $72,399.35 today (as of 12/18/2019). On a total return basis, that’s a result of 623.85% (something to think about: how might COP shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that ConocoPhillips paid investors a total of $28.23/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 1.68/share, we calculate that COP has a current yield of approximately 2.66%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 1.68 against the original $16.03/share purchase price. This works out to a yield on cost of 16.59%.

One more piece of investment wisdom to leave you with:
“You can get in much more trouble with a good idea than a bad idea, because you forget that the good idea has limits.” — Benjamin Graham