Correlation Between DexCom and Co Diagnostics

Can any of the company-specific risk be diversified away by investing in both DexCom and Co Diagnostics 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 DexCom and Co Diagnostics into the same portfolio, which is an essential part of the fundamental portfolio management process.

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

Diversification Opportunities for DexCom and Co Diagnostics

-0.61

Correlation Coefficient

DexCom  Co Diagnostics

Excellent diversification

The 3 months correlation between DexCom and CODX is -0.61. Overlapping area represents the amount of risk that can be diversified away by holding DexCom Inc and Co Diagnostics in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Co Diagnostics and DexCom 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 DexCom Inc are associated (or correlated) with Co Diagnostics. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Co Diagnostics has no effect on the direction of DexCom i.e., DexCom and Co Diagnostics go up and down completely randomly.

Pair Corralation between DexCom and Co Diagnostics

Given the investment horizon of 90 days DexCom Inc is expected to under-perform the Co Diagnostics. But the stock apears to be less risky and, when comparing its historical volatility, DexCom Inc is 4.55 times less risky than Co Diagnostics. The stock trades about -0.13 of its potential returns per unit of risk. The Co Diagnostics is currently generating about 0.09 of returns per unit of risk over similar time horizon. If you would invest  28.00  in Co Diagnostics on July 17, 2025 and sell it today you would earn a total of  10.00  from holding Co Diagnostics or generate 35.71% return on investment over 90 days.

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

DexCom Inc  vs.  Co Diagnostics

DexCom Inc

Risk-Adjusted Performance

Weakest

Over the last 90 days DexCom Inc has generated negative risk-adjusted returns adding no value to investors with long positions. In spite of unsteady performance in the last few months, the Stock's fundamental indicators remain very healthy which may send shares a bit higher in November 2025. The recent disarray may also be a sign of long period up-swing for the firm investors.

Co Diagnostics

Risk-Adjusted Performance

Mild

Compared to the overall equity markets, risk-adjusted returns on investments in Co Diagnostics are ranked lower than 6 (%) of all global equities and portfolios over the last 90 days. In spite of fairly unfluctuating fundamental indicators, Co Diagnostics showed solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with DexCom and Co Diagnostics

The main advantage of trading using opposite DexCom and Co Diagnostics positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if DexCom position performs unexpectedly, Co Diagnostics 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 Co Diagnostics will offset losses from the drop in Co Diagnostics' long position.

The idea behind DexCom Inc and Co Diagnostics 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 Bond Analysis module to evaluate and analyze corporate bonds as a potential investment for your portfolios..