The relative strength index (RSI) is a momentum indicator that measures recent price changes as it moves between 0 and 100.

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Somer G.

Nick Lioudis is a writer, multimedia professional, consultant, and content manager for Bread. He has also spent 10+ years as a journalist. Somer G. Anderson is CPA, doctor of accounting, and an ...