唔理風險嘅機會率

唔理風險嘅機會率risk-neutral probability)係隻基本金融概念,喺二元價格模型(binomial pricing model,即係假設個價係一期期噉變,而下期只係可以升或跌一個固定嘅比例,而且基本無風險利率(risk-free rate)都俾埋)入邊,佢即係個價下期會升嘅機會率