Standard deviation is a metric that shows the variability of a security’s returns over time. It can be used to gauge volatility based on past performance and compare a future return to past returns.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...

Brandon is a professor of finance and financial planning. CFP, RICP, and EA, and a doctorate in finance from Hampton University. A risk-adjusted return evaluates the profitability of an investment ...

In a market flooded with applicants and cluttered with fake listings, AI can help you search smarter, apply better and stand out faster. Amanda Smith is a freelance journalist and writer. She reports ...

We test and rate the top video editing software for every type of user, from casual family event videographers to social media posters to studio professionals. I’ve been writing and editing technology ...

I travel frequently - sometimes to locations where pickpockets are common. I have tried various products and techniques to thwart them - such as money pouches or purses with built-in anti-theft ...

Have a major deliverable coming up that involves lots of people and tasks? The top project management apps we've tested can help you keep your team on track. I’ve been writing about consumer ...

There's no question that this is one of the best camera phones money can buy. But I know of one that beats it. When he's not testing the latest phones or phone cameras, Andrew can normally be found ...

Federal student loan repayment plans underwent major changes on July 1, 2026, as a result of the One Big Beautiful Bill Act (OBBBA). The new Repayment Assistance Plan (RAP) and Tiered Standard plan ...