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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 Warren Buffett investment philosophy calls for a long-term investment horizon, where a decade-long holding period, or even longer, would fit right into the strategy. How would such a strategy have worked out for an investment into Edison International (NYSE: EIX)? Today, we examine the outcome of a decade-long investment into the stock back in 2009.

Start date: 07/10/2009


End date: 07/09/2019
Start price/share: $30.09
End price/share: $69.72
Starting shares: 332.34
Ending shares: 454.98
Dividends reinvested/share: $16.94
Total return: 217.21%
Average annual return: 12.23%
Starting investment: $10,000.00
Ending investment: $31,712.24

The above analysis shows the decade-long investment result worked out quite well, with an annualized rate of return of 12.23%. This would have turned a $10K investment made 10 years ago into $31,712.24 today (as of 07/09/2019). On a total return basis, that’s a result of 217.21% (something to think about: how might EIX shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that Edison International paid investors a total of $16.94/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 2.45/share, we calculate that EIX has a current yield of approximately 3.51%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 2.45 against the original $30.09/share purchase price. This works out to a yield on cost of 11.67%.

Another great investment quote to think about:
“Based on my own personal experience, both as an investor in recent years and an expert witness in years past, rarely do more than three or four variables really count. Everything else is noise.” — Martin Whitman