Correlation Between Charter Communications and DexCom

Can any of the company-specific risk be diversified away by investing in both Charter Communications and DexCom at the same time? Although using a correlation coefficient on its own may not help to predict future stock returns, this module helps to understand the diversifiable risk of combining Charter Communications and DexCom into the same portfolio, which is an essential part of the fundamental portfolio management process.

By analyzing existing cross correlation between Charter Communications and DexCom Inc, you can compare the effects of market volatilities on Charter Communications and DexCom 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 Charter Communications with a short position of DexCom. Check out your portfolio center. Please also check ongoing floating volatility patterns of Charter Communications and DexCom.

Diversification Opportunities for Charter Communications and DexCom

0.74

Correlation Coefficient

Charter Communications  DexCom

Poor diversification

The 3 months correlation between Charter and DexCom is 0.74. Overlapping area represents the amount of risk that can be diversified away by holding Charter Communications and DexCom Inc in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on DexCom Inc and Charter Communications 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 Charter Communications are associated (or correlated) with DexCom. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of DexCom Inc has no effect on the direction of Charter Communications i.e., Charter Communications and DexCom go up and down completely randomly.

Pair Corralation between Charter Communications and DexCom

Assuming the 90 days trading horizon Charter Communications is expected to generate 1.1 times less return on investment than DexCom. But when comparing it to its historical volatility, Charter Communications is 1.01 times less risky than DexCom. It trades about 0.1 of its potential returns per unit of risk. DexCom Inc is currently generating about 0.11 of returns per unit of risk over similar time horizon. If you would invest  798.00  in DexCom Inc on April 24, 2025 and sell it today you would earn a total of  137.00  from holding DexCom Inc or generate 17.17% return on investment over 90 days.

Time Period	3 Months [change]
Direction	Moves Together
Strength	Significant
Accuracy	100.0%
Values	Daily Returns

Charter Communications  vs.  DexCom Inc

Charter Communications

Risk-Adjusted Performance

Modest

Compared to the overall equity markets, risk-adjusted returns on investments in Charter Communications are ranked lower than 8 (%) of all global equities and portfolios over the last 90 days. Despite somewhat weak fundamental indicators, Charter Communications sustained solid returns over the last few months and may actually be approaching a breakup point.

DexCom Inc

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in DexCom Inc are ranked lower than 8 (%) of all global equities and portfolios over the last 90 days. Despite somewhat weak technical and fundamental indicators, DexCom sustained solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with Charter Communications and DexCom

The main advantage of trading using opposite Charter Communications and DexCom positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if Charter Communications position performs unexpectedly, DexCom can make up some of the losses. Pair trading also minimizes risk from directional movements in the market. For example, if an entire industry or sector drops because of unexpected headlines, the short position in DexCom will offset losses from the drop in DexCom's long position.

The idea behind Charter Communications and DexCom Inc pairs trading is to make the combined position market-neutral, meaning the overall market's direction will not affect its win or loss (or potential downside or upside). This can be achieved by designing a pairs trade with two highly correlated stocks or equities that operate in a similar space or sector, making it possible to obtain profits through simple and relatively low-risk investment.

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Note that this page's information should be used as a complementary analysis to find the right mix of equity instruments to add to your existing portfolios or create a brand new portfolio. You can also try the Options Analysis module to analyze and evaluate options and option chains as a potential hedge for your portfolios.