Relative Strength Index (Rsi) Definition

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The relative sầu strength index measures a security’s price performance and indicates whether a reversal in direction is imminent.

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The relative strength index is an indicator of buying or selling opportunities for a security, such as a stoông xã or commodity.

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Contents

What Is the Relative sầu Strength Index (RSI)?

The relative strength index (RSI) indicates whether a security, such as a stoông xã, is overbought or oversold. It’s a technical indicator that is a part of a group of measures known as momentum oscillators, which determine whether a stock’s movement signals an opportunity lớn buy or sell. Another popular oscillator used by investors và analysts is the moving average.


Technical indicators, in the case of stochồng prices with RSI, have very little to bởi with a company’s fundamentals (earnings, revenue, etc.) và instead focus solely on stock price movement.


RSI can be used effectively on any security or commodity that has a price & is traded daily. It’s commonly used when markets are either in a downturn or upturn and are moving very quickly in either direction. Investors use the indicator on a stoông chồng that has been making sharp up or down moves in a short period và want khổng lồ know from that technical analysis whether lớn buy or sell. Popular instruments và commodities lớn track via relative strength index include bitcoin, gold, and silver.

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Relative sầu Strength Index Formula

RSI = 100 – (100 / <1 + 14-Day Average Gain / 14-Day Average Loss > )

How to lớn Calculate a Stock’s Relative sầu Strength Index

The indicator uses 14 days as a benchmark, & that represents roughly three weeks of data, on the premise that trading is conducted only during weekdays (Monday to lớn Friday). Some investors và analysts, though, use other periods, such as trăng tròn or 30 days.


Over that 14-day period, determine the stock’s average gain in price on days when it rises from the previous day, and the average loss for days when it is down from the previous day. The relative strength is calculated by dividing the average gain by the average loss.

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From there, đầu vào the data inlớn the RSI formula above sầu. The indicator must be between 0 and 100. If the RSI is lower than 30, it suggests the stoông chồng has fallen more than it should have (i.e., is oversold) & signals a buying opportunity. If it is higher than 70, this suggests that the stoông xã has risen more than it should have (i.e., is overbought) và signals a selling opportunity.


In other words, if the stoông xã is trending at 30 or lower, the indicator suggests a reversal for the price lớn go higher. The same applies for the stoông xã trending at 70 or higher; this is an indication of reversal for the price lớn go lower. An RSI at around 50 suggests no immediate price action to move either up or down.

How lớn Calculate RSI on a Spreadsheet (Example: Netflix)

Step 1: Gather data, at least 15 days’ worth of prices. In this example, the closing stock price of Netflix is collected over a 1-year period.


Step 2: Calculate daily percentage change. (Note: The formulas for each cell are shown in the cell và on the top left field area of the screenshot of the spreadsheet.)


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Step 2

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Step 7

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