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“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”

— 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 decade-long holding period. Suppose such a “buy-and-hold” investor had looked into buying shares of Xcel Energy Inc (NASD: XEL) back in 2009. Let’s take a look at how such an investment would have worked out for that buy-and-hold investor:

Start date: 08/19/2009
$10,000

08/19/2009
$46,350

08/16/2019
End date: 08/16/2019
Start price/share: $19.39
End price/share: $61.80
Starting shares: 515.73
Ending shares: 749.92
Dividends reinvested/share: $12.32
Total return: 363.45%
Average annual return: 16.58%
Starting investment: $10,000.00
Ending investment: $46,350.88

As shown above, the decade-long investment result worked out exceptionally well, with an annualized rate of return of 16.58%. This would have turned a $10K investment made 10 years ago into $46,350.88 today (as of 08/16/2019). On a total return basis, that’s a result of 363.45% (something to think about: how might XEL shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that Xcel Energy Inc paid investors a total of $12.32/share in dividends over the 10 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 1.62/share, we calculate that XEL has a current yield of approximately 2.62%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 1.62 against the original $19.39/share purchase price. This works out to a yield on cost of 13.51%.

One more piece of investment wisdom to leave you with:
“If you are not willing to own a stock for 10 years, do not even think about owning it for 10 minutes.” — Warren Buffett