Tracking Results
By tracking the performance of individual investments you can see whether your investments are doing the jobs you’ve assigned them. Tracking your overall portfolio shows you whether your portfolio management efforts are working. A well-tuned portfolio is a balance of risk [Hack #74] and return [Hack #83] , which also implies the proper doses of quality [Hack #85] and diversification of several types.
As it turns out, you have a choice when it comes to calculating returns, a fact that many mutual funds take advantage of when they tout their winning records. You can learn how to calculate returns for different purposes in [Hack #81] , [Hack #83] , [Hack #84] , and [Hack #82] . However, before you head there, you must understand internal rate of return.
If you have previously read other investing books, you may have encountered [Hack #26] . In finance circles, the technical term is internal rate of return (IRR), whose definition in finance textbooks is “apogees of obfuscation” (yes, exactly as helpful as this sentence). Let’s try to do better.
Suppose you deposit some money in your portfolio on December 31, 1995. In addition, you contribute the money your aunt gives you for Christmas each year to the portfolio. Your initial deposit and your annual contributions are both examples of cash flow in. Withdrawing money from the portfolio, for example to pay for a vacation, would be a cash flow out. At some point in time, say December 31, 2004, you decide you want ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access