Relative Strength Indicator

Description

The Relative Strength Indicator (RSI) is a technical indicator used in the analysis of financial markets. It is intended to chart the current and historical strength or weakness of a stock or market based on the closing prices of a recent trading period. The RSI is classified as a momentum oscillator, measuring the velocity and magnitude of directional price movements. Momentum is the rate of the rise or fall in price. The RSI computes momentum as the ratio of higher closes to lower closes: stocks which have had more or stronger positive changes have a higher RSI than stocks which have had more or stronger negative changes.

The RSI is most commonly used to indicate temporary overbought or oversold conditions in a market. It is calculated by taking the average of the following:

  • The number of days a stock or market has closed higher over a specified period of time
  • The number of days a stock or market has closed lower over a specified period of time

Relative Strength Indicator is calculated by taking the average of the number of days a stock or market has closed higher over a specified period of time and subtracting it from the average of the number of days a stock or market has closed lower over a specified period of time. The result is then divided by the total number of days in the period.

The RSI is a mathematical calculation that takes into account the magnitude of recent gains and losses over a certain period to measure speed and change of price movements of a security. The RSI fluctuates between 0 and 100. In theory, the RSI is considered overbought when above 70 and oversold when below 30. These numbers can be adjusted to suit individual preferences or trading styles.

The indicator is considered to be a lagging indicator, as it only shows past price movements and not future ones. This means that it is often used as a confirmation indicator to show that the current trend is likely to continue.

The RSI can also be used to identify areas of support and resistance. When the RSI is below 30, it indicates that the stock is oversold and may be a good buy. When the RSI is above 70, it indicates that the stock is overbought and may be a good sell.

The Relative Strength Indicator can be used in conjunction with other technical indicators to identify buying and selling opportunities. For example, if the RSI is above 70 and the moving average convergence divergence (MACD) is also showing a positive trend, it may be a good time to buy. Conversely, if the RSI is below 30 and the MACD is also showing a negative trend, it may be a good time to sell.

The RSI is a popular and widely used indicator. It can be used on all time frames, from intraday to long-term. It is also used in many different types of markets, including stocks, commodities, currencies, and futures.

Calculation

RSI = 100 - (100 / (1 + RS))

Where RS = Average Gain / Average Loss

To calculate the RSI, first you must calculate the Average Gain and the Average Loss. To do this, you need to look at the closing price of the last 14 periods (or days, weeks, or months, depending on the timeframe you are working with). Then you need to calculate the differences between each period’s close and the previous period’s close.

If the difference is positive, then it is considered a gain, and if the difference is negative, then it is considered a loss. You then need to add up all of the gains and losses, and divide them by 14 to get the Average Gain and the Average Loss.

Finally, you can then use the Average Gain and Average Loss to calculate the RSI using the formula above.

Explanation of terms and indicators

Here you will find information about the indicators in the chart and further explanations of terms.