5
votes
3answers
469 views

What is the “rule of 70” or “rule of 72” with regards to investment, and how do I apply it?

What is the "rule of 72" (sometimes called the "rule of 70") with regards to investment, and how do I apply it?
3
votes
3answers
140 views

I'm a programmer and need a formula for calculating overal ROI [duplicate]

I'm programming a web app to track my hedge fund performance. I'd like to find my overall ROI for all time. If I had a beginning balance and my current balance then finding the ROI is easy. For ...
7
votes
1answer
488 views

Yield of a municipal bond with a sinking fund?

How do I calculate my expected return if I buy a municipal bond at a premium with a sinking fund feature? For example, I'm looking at a bond with a coupon of 5.5%, maturing July 2015, with the ...
1
vote
2answers
170 views

Are the guaranteed returns of regulated utilities really what they sound like?

In the last few days I've stumbled upon two-year-old editorials like this one and this one stating "as a regulated utility, publicly traded [PG&E] shareholders benefit from a guaranteed 11.35 ...
11
votes
3answers
906 views

How can I determine if my rate of return is “good” for the market I am in?

I am considering a small investment to get started with. What percent rate of return is considered to be good return on investments made in a stock market? I read somewhere that 25-30% is considered ...
2
votes
6answers
787 views

Help me understand the oddity of percentage gains and losses?

If you start with $100K, and you get a 50% gain, it's $150K. Then, you get a 50% loss: now it's $75K. Reverse the order (i.e. lose 50%, gain 50%), it's the same thing (a 25% loss). So, 50% up then ...
8
votes
2answers
184 views

How do I account for newly added money when computing my rate of return?

I have a simple spreadsheet where I track the balance in my investment account. What should I do to handle new deposits in the account? For example: End of Day 1: balance = $100 End of Day 2: ...
1
vote
2answers
101 views

Is it possible to estimate individual rate of inflation for a person as against the avg inflation rate for that country?

Even though normally we all use a specified inflation rate per country for financial calculations (i.e real returns, salary increases, etc..) isn't it possible for the inflation rate to have different ...
2
votes
3answers
142 views
4
votes
1answer
605 views

How to quantify differences in return with low expense ratio vs high expense ratio mutual funds?

One often repeated piece of financial advice is to work to minimize your expense ratios in your mutual funds in order to maximize your returns. While it is often straightforward to determine the ...
5
votes
1answer
237 views

How to determine desired/required value with “value averaging”?

As opposed to dollar cost averaging (DCA), value averaging (as described in this eHow article) is a technique where the investor determines the value the investment should have after a given time ...
3
votes
3answers
498 views

What is a decent rate of return for investing in the markets?

This article indicates that the average rate of return for stocks is 4% after inflation, fees, and taxes (called "net-net-net" in the article). In the article several investment professionals are ...
3
votes
3answers
1k views

How to calculate the rate of return on selling a stock?

How to calculate the rate of return on selling a stock?