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Study Name -
Correlation Coefficient

 
 

Description

  • A statistical calculation which shows relation between two data series, an independent data and another dependent data
  • Its value lies between -1 to 1. 0 means that there is no correlation and 1 means they 100% correlated. -1 means that they are negative correlated
  • Relation can be between prices of a stock to another stock, index or may be price to indicator
 

Interpretation

  • Low value say, < +-0.2 means that there is very low relation between the two data series and effect of independent variable is insignificant on dependent variable
  • High coefficient value say, > 0.5 (irrespective of +- sign) means that influence of independent variable on dependent is high. Change in it will affect dependent variable also
  • If Correlation Coefficient (CC) is positive value means that dependent will move in same direction as independent variable
  • If CC is negative value means that dependent will move in

For eg. A slope rises when it is above 20-day SMA and falls when it is below it

 
 

Default Parameters Used/Inputs

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  • Bars
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Returns/Output

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Correlation Coefficient values of stock for the specified period

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Formula

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Cov= ∑((X-X)*(y-Y)/n) Cor=Cov/σX*σY where, Cov = covariance between the two variable

 
 
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