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“I buy on the assumption that they could close the market the next day and not reopen it for five years.”

— Warren Buffett

Investors can learn a lot from Warren Buffett, whose above quote teaches the importance of thinking about investment time horizon, and asking ourselves before buying any given stock: can we envision holding onto it for years — even a five year holding period possibly?

Suppose a “buy-and-hold” investor was considering an investment into Williams Cos Inc (NYSE: WMB) back in 2017: back then, such an investor may have been pondering this very same question. Had they answered “yes” to a full five year investment time horizon and then actually held for these past 5 years, here’s how that investment would have turned out.

Start date: 02/13/2017


End date: 02/10/2022
Start price/share: $29.04
End price/share: $30.14
Starting shares: 344.35
Ending shares: 467.32
Dividends reinvested/share: $7.32
Total return: 40.85%
Average annual return: 7.10%
Starting investment: $10,000.00
Ending investment: $14,085.88

As we can see, the five year investment result worked out well, with an annualized rate of return of 7.10%. This would have turned a $10K investment made 5 years ago into $14,085.88 today (as of 02/10/2022). On a total return basis, that’s a result of 40.85% (something to think about: how might WMB shares perform over the next 5 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that Williams Cos Inc paid investors a total of $7.32/share in dividends over the 5 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 1.7/share, we calculate that WMB has a current yield of approximately 5.64%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 1.7 against the original $29.04/share purchase price. This works out to a yield on cost of 19.42%.

Another great investment quote to think about:
“I learned early that there is nothing new in Wall Street. There can’t be because speculation is as old as the hills. Whatever happens in the stock market today has happened before and will happen again. I’ve never forgotten that.” — Jesse Livermore