Unbiased predictor

Unbiased predictor

A theory that spot prices at some future date will be equal to today's forward rates.

Unbiased Expectations Hypothesis

In foreign exchange, a theory that forward exchange rates for delivery at some future date are equal to the spot rates for that date. The hypothesis only functions in the absence of a risk premium. Critics contend that the unbiased expectations evidence shows that unbiased expectations do not occur in actual trading. It is also called an unbiased predictor.