Random walk with drift

Definition:

For a random walk with drift, the best forecast of tomorrow's price is today's price plus a drift term. One could think of the drift as measuring a trend in the price (perhaps reflecting long-term inflation). Given the drift is usually assumed to be constant. Related: Mean reversion.

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

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Used in the context of general equities. Hierarchy of choices concerning price and volume of bids or offers proposed to a customer (e.g. Menu of offerings to a customer buyer - a) 10m @ 24 1/4; b)... Read More

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