Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. On-balance volume (OBV), a momentum ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

XRP price slips 14% as the first real sell wave of 2026 emerges. On-chain data shows who’s selling, who’s buying, and which levels matter.

Investors always seek balance in their portfolios. A retirement saver might balance their assets with a 401(k) account and a Roth IRA to take advantage of different tax benefits. An investor can ...

This statement is one of the cardinal beliefs held by most technicians. It first came to my attention in the late 1970s when I read Joe Granville's book New Strategy of Daily Stock Market Timing for ...

Chartists employ a two-dimensional approach to market analysis that includes a study of price and volume. Of the two, price is the more important. However, volume provides important secondary ...