Additionally, while open interest doesn't reveal whether those options were bought or sold, it does mean that speculators are watching that particular price level on the underlying asset.

For borrowers, interest is often reflected as an annual percentage of the amount of a loan. This percentage is known as the interest rate on the loan. For investors or savers, int ...

In this guide, we’ll break down the basics of interest, how it’s calculated and what it means for your loans, credit cards, savings accounts and more. Whenever you borrow money, you’re ...