what is the definition of correlation? is correlations non stationary do correlations require stationarity what type of data is used to calculate the correlation between two markets? how is an inter-market relationship calculated what is correlation what is correlation how do you figure a correlation between different markets what is correlation of market does inter market analysis assume stationary data definition of correlation what is nonstationary correlation is correlation a nonstationary data set when is correlation a nonstationary function how is inter market analysis different from correlation? what is correlation based on do correlations assume stationarity what is market correlation does correlation take stationarity which term describes the calculation of correlation between two markets