Pair Correlation Between ATT and Apple

This module allows you to analyze existing cross correlation between ATT Inc and Apple Inc. You can compare the effects of market volatilities on ATT and Apple and check how they will diversify away market risk if combined in the same portfolio for a given time horizon. You can also utilize pair trading strategies of matching a long position in ATT with a short position of Apple. See also your portfolio center. Please also check ongoing floating volatility patterns of ATT and Apple.
 Time Horizon     30 Days    Login   to change
 AT&T Inc.  vs   Apple Inc
 Performance (%) 

Pair Volatility

Taking into account the 30 trading days horizon, ATT Inc is expected to under-perform the Apple. But the stock apears to be less risky and, when comparing its historical volatility, ATT Inc is 1.03 times less risky than Apple. The stock trades about -0.02 of its potential returns per unit of risk. The Apple Inc is currently generating about 0.16 of returns per unit of risk over similar time horizon. If you would invest  17,243  in Apple Inc on February 16, 2018 and sell it today you would earn a total of  559.00  from holding Apple Inc or generate 3.24% return on investment over 30 days.

Correlation Coefficient

Pair Corralation between ATT and Apple


Time Period1 Month [change]
ValuesDaily Returns


Very weak diversification

Overlapping area represents the amount of risk that can be diversified away by holding AT&T Inc. and Apple Inc in the same portfolio assuming nothing else is changed. The correlation between historical prices or returns on Apple Inc and ATT is a relative statistical measure of the degree to which these equity instruments tend to move together. The correlation coefficient measures the extent to which returns on ATT Inc are associated (or correlated) with Apple. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Apple Inc has no effect on the direction of ATT i.e. ATT and Apple go up and down completely randomly.

Comparative Volatility

 Predicted Return Density 



Risk-Adjusted Performance

Over the last 30 days ATT Inc has generated negative risk-adjusted returns adding no value to investors with long positions.

Apple Inc


Risk-Adjusted Performance

Compared to the overall equity markets, risk-adjusted returns on investments in Apple Inc are ranked lower than 10 (%) of all global equities and portfolios over the last 30 days.