Relative Strength as a Trading Tool
Investors who want to learn stock market investing often turn to technical analysis for objective and unbiased guidance as to when they should enter or exit a particular position. As discussed in other parts of this Technical Analysis series, some events are simpler to determine than others, especially for people who are just starting to learn stock market investing techniques. The Relative Strength Index (RSI) of a security would be medium-difficult.
What Is Relative Strength (RSI) An oscillator, RSI measures a security's relative strength compared to its own price history. What this does for the investor is provide insight into overbought and oversold conditions and can also help identify support and resistance levels better than the price chart itself can.
How Relative Strength Works Unlike some of the other oscillators covered in our technical analysis series, the RSI is plotted on a scale of 0 to 100. The key levels to remember are 0 to 30 for oversold, 30 to 70 for in range, and 70 to 100 for overbought. Depending on the investor's strategy, these numbers can have different trading implications.
Calculating the RSI Mathematically speaking, the RSI requires a touch more work than other technical analysis calculations. To determine a security's RSI, you use the following: 100 - [100/(1 + A)] where A is the average up closes over the period divided by the number of down closes for the same period. If you use a period of 14 days (the norm, it seems) and had 7 up days and 7 down days, then your RSI would be 50 which is in range.
Using RSI to Trade Securities The RSI is more useful than just providing buy or sell signals to investors. First, the RSI will show areas of support and resistance more clearly than security prices would. Second, overbought and oversold conditions can help determine whether one should sell, buy or hold an existing or non-existing position. They are not typically used on their own to trigger a buy or sell as they provided bearish (0 - 30) and bearish (70 - 100) signals. Using tools such as the RSI to determine safe or unsafe points of entry and exit is really the whole purpose of technical analysis in the first place.
Trading software can alleviate a lot of the time consuming and draining calculations needs to produce a solid buy or sell signal. Although technical analysis involves many aspects and signals, such software can change an individual investor's experience from overwhelmed to simple... or at least make it simpler. - 23159
What Is Relative Strength (RSI) An oscillator, RSI measures a security's relative strength compared to its own price history. What this does for the investor is provide insight into overbought and oversold conditions and can also help identify support and resistance levels better than the price chart itself can.
How Relative Strength Works Unlike some of the other oscillators covered in our technical analysis series, the RSI is plotted on a scale of 0 to 100. The key levels to remember are 0 to 30 for oversold, 30 to 70 for in range, and 70 to 100 for overbought. Depending on the investor's strategy, these numbers can have different trading implications.
Calculating the RSI Mathematically speaking, the RSI requires a touch more work than other technical analysis calculations. To determine a security's RSI, you use the following: 100 - [100/(1 + A)] where A is the average up closes over the period divided by the number of down closes for the same period. If you use a period of 14 days (the norm, it seems) and had 7 up days and 7 down days, then your RSI would be 50 which is in range.
Using RSI to Trade Securities The RSI is more useful than just providing buy or sell signals to investors. First, the RSI will show areas of support and resistance more clearly than security prices would. Second, overbought and oversold conditions can help determine whether one should sell, buy or hold an existing or non-existing position. They are not typically used on their own to trigger a buy or sell as they provided bearish (0 - 30) and bearish (70 - 100) signals. Using tools such as the RSI to determine safe or unsafe points of entry and exit is really the whole purpose of technical analysis in the first place.
Trading software can alleviate a lot of the time consuming and draining calculations needs to produce a solid buy or sell signal. Although technical analysis involves many aspects and signals, such software can change an individual investor's experience from overwhelmed to simple... or at least make it simpler. - 23159
About the Author:
Chris Blanchet has over 16 years as a Financial Advisor. Read more about online trading and receive complimentary access to the Technical Analysis Series at Online Trader Today.

