Investment & trading encyclopedia

Understand investment products, market mechanics, indicators and research terminology. Each entry includes an explanation, example, cautions and related learning.

80 explained termsView all courses

Showing 1–1 of 1

Technical analysisIntermediate

Relative Strength Index (RSI)

The Relative Strength Index is a momentum oscillator, developed by Welles Wilder, that compares the size of recent gains with recent losses and scales the result between 0 and 100. Its default setting uses 14 periods.