In nuclear beta decay an up quark ‘u’ in a proton converts into an up down quark ‘d,’ turning the proton into a neutron and emitting a positron and a neutrino. This work affects interpretation of beta ...

Beta is the 2nd letter in the Greek alphabet, and the financial world uses it to refer to the sensitivity of an asset’s price compared to a specific index or benchmark. Beta is also used as a measure ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Dr. JeFreda R. Brown is a financial consultant, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

We often hear the word beta in the context of “beta test”. It’s a way of testing something (e.g. a software program) in a real-world situation to iron out any glitches before rolling it out to the ...

If you have followed my articles Dual-Beta - The Smart Investor's Most Valuable Tool or The Dual-Beta Portfolio, Part 1 - Consumer Defensive Sector, you are fully aware how powerful it can be to be ...

Investors, whether beginner or seasoned professionals, all have a threshold for risk. Some prefer to play it safe and favor a low-risk investment plan while others are more advantageous with a “high ...

When people use this word, they might mean "second," as opposed to "first." Or they could be referring to a particle in physics, a protein conformation in biology, or a test in computer programming.