Book-to-bill ratio
From Wikipedia, the free encyclopedia
The book-to-bill ratio, also known as the BB ratio or BO/BI ratio,[1] is the ratio of orders received to the amount billed for a specific period, usually one month or one quarter. It is widely used in the technology sector and especially in the semiconductor industry, where the semiconductor manufacturing equipment (SME) book-to-bill ratio is considered an important leading indicator of demand trends.
A book-to-bill ratio above one means that more orders were received than filled, indicating strong demand, while a ratio below one indicates weak demand.[1]