Correlation Between Citigroup and Castle Biosciences

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

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

Diversification Opportunities for Citigroup and Castle Biosciences

-0.06

Correlation Coefficient

Citigroup  Castle Biosciences

Good diversification

The 3 months correlation between Citigroup and Castle is -0.06. Overlapping area represents the amount of risk that can be diversified away by holding Citigroup and Castle Biosciences in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Castle Biosciences and Citigroup 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 Citigroup are associated (or correlated) with Castle Biosciences. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Castle Biosciences has no effect on the direction of Citigroup i.e., Citigroup and Castle Biosciences go up and down completely randomly.

Pair Corralation between Citigroup and Castle Biosciences

Taking into account the 90-day investment horizon Citigroup is expected to generate 0.55 times more return on investment than Castle Biosciences. However, Citigroup is 1.82 times less risky than Castle Biosciences. It trades about 0.37 of its potential returns per unit of risk. Castle Biosciences is currently generating about -0.11 per unit of risk. If you would invest  6,784  in Citigroup on April 30, 2025 and sell it today you would earn a total of  2,664  from holding Citigroup or generate 39.27% return on investment over 90 days.

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

Citigroup  vs.  Castle Biosciences

Citigroup

Risk-Adjusted Performance

Strong

Compared to the overall equity markets, risk-adjusted returns on investments in Citigroup are ranked lower than 28 (%) of all global equities and portfolios over the last 90 days. In spite of rather unsteady fundamental indicators, Citigroup exhibited solid returns over the last few months and may actually be approaching a breakup point.

Castle Biosciences

Risk-Adjusted Performance

Very Weak

Over the last 90 days Castle Biosciences has generated negative risk-adjusted returns adding no value to investors with long positions. Despite conflicting performance in the last few months, the Stock's basic indicators remain quite persistent which may send shares a bit higher in August 2025. The latest mess may also be a sign of long-standing up-swing for the company institutional investors.

Pair Trading with Citigroup and Castle Biosciences

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

The idea behind Citigroup and Castle Biosciences 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.

Check out your portfolio center.

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 Portfolio Rebalancing module to analyze risk-adjusted returns against different time horizons to find asset-allocation targets.