There are two primary types of indicators:
Leading Indicators. Leading indicators precede price movements and try to predict the future. These indicators are most helpful during periods of sideways or non-trending price movements since they can help identify breakouts or breakdowns.
Lagging Indicators. Lagging indicators follow price movements and act as a confirmation tool. These indicators are most useful during trending periods where they can be used to confirm that a trend is still in placing or if it’s weakening.
Read more: Technical Analysis: Indicators And Oscillators https://www.investopedia.com/university/technical/techanalysis10.asp#ixzz55bhtZiXC
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