A portfolio that provides the greatest expected return for a given level of risk, or equivalently, the lowest risk for a given expected return. also called optimal portfolio.
Related information about efficient portfolio:
- Efficient portfolio
 An efficient portfolio provides the lowest level of risk possible for a given level of   expected return. If a portfolio is efficient, then it is not possible to construct a ...
 
- What is efficient portfolio? definition and meaning - InvestorWords.com
 Definition of efficient portfolio: A portfolio that provides the greatest expected   return for a given level of risk, or equivalently, the lowest risk for a given expected ...
 
- Modern portfolio theory - Wikipedia, the free encyclopedia
 So in the absence of a risk-free asset, an investor can achieve any desired   efficient portfolio even if all that is accessible is a pair of efficient mutual funds.
 
- Diversification and an "Efficient" Portfolio
 According to MPT, you can limit the volatility of your portfolio by spreading out   your risk among different types of investments. In fact, by putting together a   basket ...
 
- Efficient Portfolio - Financial Dictionary - The Free Dictionary
 A portfolio that provides the greatest expected return for a given level of risk (i.e.,   standard deviation), or, equivalently, the lowest risk for a given expected return.
 
- Efficient Portfolio Frontier - YouTube
 Dec 29, 2011 ... http://optionalpha.com - Portfolio Theory and the Efficient Portfolio Frontier.
 
- In Finance, What is an Efficient Portfolio?
 Sometimes referred to as an optimal portfolio, an efficient portfolio is a financial   portfolio that is organized in a manner so that a specifically expected return can ...
 
- What is efficient portfolio? - BusinessDictionary.com
 Definition of efficient portfolio: That yields the highest return for a given level of   risk. Also called optimal portfolio.