Examlex
Give an example of a measurement that is reliable but not valid.
Arbitrage Opportunity
A situation where a trader can profit from differences in price of the same or similar financial instruments on different markets or in different forms.
Risk-free Rate
The theoretical rate of return of an investment with no risk of financial loss, often represented by government bonds.
Diversified Portfolios
Investment portfolios constructed to spread risk across various asset classes or sectors to reduce volatility.
Systematic Factors
External influences that affect all companies in the market to some extent, such as economic, political, and social changes.
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