Zero rates A zero rate(or spot rate), for maturity T is the rate of interest earned on an investment that provides a payoff only at time T' Options, Futures, and other Derivatives 8th Edition Copyright o John C. Hull 2012Zero Rates A zero rate (or spot rate), for maturity T is the rate of interest earned on an investment that provides a payoff only at time T Options, Futures, and Other Derivatives 8th Edition, Copyright © John C. Hull 2012 12