Correlation Between GrafTech International and Erayak Power

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

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

Diversification Opportunities for GrafTech International and Erayak Power

-0.19

Correlation Coefficient

GrafTech International  Erayak Power

Good diversification

The 3 months correlation between GrafTech and Erayak is -0.19. Overlapping area represents the amount of risk that can be diversified away by holding GrafTech International and Erayak Power Solution in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Erayak Power Solution and GrafTech International 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 GrafTech International are associated (or correlated) with Erayak Power. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Erayak Power Solution has no effect on the direction of GrafTech International i.e., GrafTech International and Erayak Power go up and down completely randomly.

Pair Corralation between GrafTech International and Erayak Power

Considering the 90-day investment horizon GrafTech International is expected to generate 0.52 times more return on investment than Erayak Power. However, GrafTech International is 1.92 times less risky than Erayak Power. It trades about 0.22 of its potential returns per unit of risk. Erayak Power Solution is currently generating about -0.02 per unit of risk. If you would invest  61.00  in GrafTech International on May 2, 2025 and sell it today you would earn a total of  86.00  from holding GrafTech International or generate 140.98% return on investment over 90 days.

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

GrafTech International  vs.  Erayak Power Solution

GrafTech International

Risk-Adjusted Performance

Solid

Compared to the overall equity markets, risk-adjusted returns on investments in GrafTech International are ranked lower than 16 (%) of all global equities and portfolios over the last 90 days. Despite nearly weak basic indicators, GrafTech International reported solid returns over the last few months and may actually be approaching a breakup point.

Erayak Power Solution

Risk-Adjusted Performance

Very Weak

Over the last 90 days Erayak Power Solution has generated negative risk-adjusted returns adding no value to investors with long positions. Despite inconsistent performance in the last few months, the Stock's basic indicators remain somewhat strong which may send shares a bit higher in August 2025. The current disturbance may also be a sign of long term up-swing for the company investors.

Pair Trading with GrafTech International and Erayak Power

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

The idea behind GrafTech International and Erayak Power Solution 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 Share Portfolio module to track or share privately all of your investments from the convenience of any device.