Random walk

Definition:

Theory that stock price changes from day to day are accidental or haphazard; changes are independent of each other and have the same probability distribution. For a simple random walk, the best forecast of tomorrow's price is today's price. Related: Mean reversion.

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Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

Term of the Day

Funding

Used to describe the refinancing of a debt prior to its maturity (the same as refunding). In corporate finance refers to the floating of bonds to raise finance and levels of capital. See also:... Read More

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