Correlation Between EBay and Sea

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

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

Diversification Opportunities for EBay and Sea

0.34

Correlation Coefficient

EBay  Sea

Weak diversification

The 3 months correlation between EBay and Sea is 0.34. Overlapping area represents the amount of risk that can be diversified away by holding eBay Inc and Sea in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Sea and EBay 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 eBay Inc are associated (or correlated) with Sea. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Sea has no effect on the direction of EBay i.e., EBay and Sea go up and down completely randomly.

Pair Corralation between EBay and Sea

Given the investment horizon of 90 days eBay Inc is expected to generate 1.02 times more return on investment than Sea. However, EBay is 1.02 times more volatile than Sea. It trades about 0.2 of its potential returns per unit of risk. Sea is currently generating about 0.07 per unit of risk. If you would invest  6,948  in eBay Inc on May 7, 2025 and sell it today you would earn a total of  2,338  from holding eBay Inc or generate 33.65% return on investment over 90 days.

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

eBay Inc  vs.  Sea

eBay Inc

Risk-Adjusted Performance

Good

Compared to the overall equity markets, risk-adjusted returns on investments in eBay Inc are ranked lower than 15 (%) of all global equities and portfolios over the last 90 days. In spite of fairly weak basic indicators, EBay showed solid returns over the last few months and may actually be approaching a breakup point.

Sea

Risk-Adjusted Performance

Modest

Compared to the overall equity markets, risk-adjusted returns on investments in Sea are ranked lower than 5 (%) of all global equities and portfolios over the last 90 days. In spite of rather inconsistent technical and fundamental indicators, Sea may actually be approaching a critical reversion point that can send shares even higher in September 2025.

Pair Trading with EBay and Sea

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

The idea behind eBay Inc and Sea 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 Equity Forecasting module to use basic forecasting models to generate price predictions and determine price momentum.