RSI

Definition : Relative Strength Index
Category : Business » Stock Market
Country/Region : Worldwide Worldwide
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What does RSI mean?

Relative Strength Index (RSI) is an indicator used in the technical analysis of financial instruments. RSI was developed by J. Welles Wilder to measure the speed and change of price movements. RSI scale ranges from a low value of zero to a high value of 100. RSI value of 30 or less is a signal that security is undervalued and RSI value of 70 or greater are viewed as a sign that security is becoming overvalued. Or in other words, RSI is considered oversold when below 30 and overbought when above 70.

RSI = 100 - [100/(1+RS)]
Relative Strength (RS) for the defined period = Average Gain / Average Loss. The default period used for the RSI calculation is 14.

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Worldwide RSI Repetitive Strain Injury
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Canada RSI RADARSAT International
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Worldwide RSI Review of Scientific Instruments
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United States RSI Regional Snowfall Index
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Worldwide RSI Rapid Sequence Induction
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Switzerland RSI RadioTelevisione Svizzera di lingua Italiana
[RadioTelevision Switzerland of Italian language]
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Singapore RSI Radio Singapore International
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United States RSI Radiofrequency Safety International
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United States RSI Relational Semantics, Inc.
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Slovenia RSi Radio Slovenia International
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Worldwide RSI Red Sport International
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India RSI Robotics Society of India
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Frequently Asked Questions

What is the full form of RSI?

The full form of RSI is Relative Strength Index

What are the full forms of RSI in Business?

Relative Strength Index | RADARSAT International | Radiofrequency Safety International | Relational Semantics, Inc.

What are the full forms of RSI in Worldwide?

Relative Strength Index | Repetitive Strain Injury | Review of Scientific Instruments | Research Science Institute | Rapid Sequence Induction | Red Sport International

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"RSI." FullForms.com, 2026, https://fullforms.com/RSI. Accessed 01 Apr. 2026.

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