Notes are often a key component of how a business finances its operations. For purposes of accounting, it's important to be able to calculate the maturity value of a note to know how much a business ...

A stock's historical variance measures the difference between the stock's returns for different periods and its average return. A stock with a lower variance typically generates returns that are ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Variance is a statistical calculation that numerically describes the amount of variation in a data set. If values in a data set wildly fluctuate, variance would be high and predictions based on the ...

The main inequality (Theorem 1) here involves the Hellinger distance of a statistical model of an observation X, which imposes bounds on the mean of any estimator in terms of its variance. We use this ...

Notes are often a key component of how a business finances its operations. For purposes of accounting, it's important to be able to calculate the maturity value of a note to know how much a business ...

Here's how to calculate the maturity value of a note, and a warning about a quirk in commercial bankers' calendars. Notes are often a key component of how a business finances its operations. For ...