The meaning of BETA is the 2nd letter of the Greek alphabet. How to use beta in a sentence. Beta is a term used in finance to measure the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole. It’s a key component of the Capital Asset Pricing. Beta can be used to refer to several consumer and professional videotape formats developed by Japan's Sony Corporation. Although similarly named, they are very different in function and obsolescence. Learn about the Greek letter Beta (β), its pronunciation, usage examples, and common applications in mathematics, science, and engineering. What Is Beta? Beta is an indicator of the price volatility of a stock or other asset in comparison with the broader market. It suggests the level of risk that an investor takes on in buying the. The Greek small letter β (beta) is used throughout mathematics and physics as a variable standing for an unknown or changing quantity, and as a coefficient or parameter standing for a value fixed by the context. The Beta catalog consists of over 16,000 references aimed at professionals in industry, mechanics, auto repair, craftsmanship, and DIY, as well as experienced hobbyists and all enthusiasts. Beta also stands out for its range of safety shoes and workwear. BETA is an aerospace and defense company designing, manufacturing and selling high-performance electric aircraft, advanced electric propulsion systems, components and charging systems to top operators worldwide. What is beta in finance? Learn how to calculate beta, see real-world examples, and know its role in risk analysis. Learn this valuation concept with CFI. Free Ground Shipping on orders over $150. All in-stock orders must be placed by 1pm PST to ship same day. Join Our Mailing List for special offers!.