Learn how to calculate stock beta in Excel using historical price data and formulas—enhance your investment analysis with this step-by-step guide.

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

The stock market is a complex entity, a vast sea of numbers and percentages that can be as unpredictable as it is influential. Recently, the market has been exhibiting some particularly erratic ...

Calculating stock growth rates can be challenging and seem intimidating, especially with all the numbers and terminology getting thrown around. Every investor has a preferred way of calculating that ...

An important financial paradox is the excess volatility puzzle. First identified by Robert Shiller in 1981, the excess volatility puzzle says that asset prices fluctuate much more than information ...

Tesla stock has plunged by over 50% since December, a dramatic collapse that has stunned shareholders and analysts alike. In mid-December 2024, Tesla traded near an all-time high of around $480 per ...

Market volatility remains elevated, as indicated by the VIX, and is likely to persist through earnings season, presenting both risks and opportunities. The S&P 500 ETF has returned to a sideways ...

The U.S. stock market is unusually quiet after a dramatic start to August, and that's making Wall Street panic - again. Stocks have rebounded quickly after a bruising selloff that shook up global ...

Tariff policies are wreaking havoc on the stock market. It's important to protect your retirement savings from stock market events. Review your assets and have a backup plan in case your portfolio ...

Disclaimer: The analyst who wrote this article has shares in Strategy (MSTR) Strategy (MSTR) is currently experiencing its lowest 10-day realized volatility since it first added bitcoin {BTC} to its ...

A closely watched measure of expected stock-market volatility this week reached its highest reading in 2024, heading to its largest weekly percentage gain of the year. The CBOE Market Volatility Index ...