Excess return on the market portfolio

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Excess return on the market portfolio

Difference between the return on the market portfolio and the riskless rate.

Excess Return on the Market Portfolio

The difference between the return on the market portfolio, a hypothetical portfolio of all securities, and the riskless rate of return, which is usually defined as the return on a 90-day Treasury bill. This may be taken as an indicator of how well (or poorly) the stock market is performing.