Random walk with drift


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.

Investing Essentials

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

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Two-tier bid

Takeover bid in which the acquirer offers to pay more for the shares needed to gain control than for the remaining shares, or to pay the same price but at different times in the merger period;... Read More

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