Articles

Relative Strength Index (RSI) Indicator

Posted By: TradersLog

Welles Wilder introduced the Relative Strength Index in 1978. RSI is widely used as an overbought/oversold indicator. It compares the amount of a security’s recent gains to the amount of its recent losses on a scale from 0 to 100.

Normally, if the RSI rises above 30 it is considered a bullish signal and if the RSI falls below 70 it is seen as a bearish signal.

Another form of RSI analysis involves looking for a divergence. If the security is making new highs and the RSI fails to exceed its previous high, this can signal a reversal. When the RSI then turns down and falls below it’s previous low, it suggests a reversal to the upside.

RSI belongs to a popular group of technical indicators known as Oscillators.

Relative Strength Index (RSI)

Chart courtesy of Prophet Financial Systems (www.prophet.net)

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