The SEMI book-to-bill is a ratio of three-month moving averages of worldwide bookings and billings for North American-based semiconductor equipment manufacturers. Billings and bookings figures are in millions of U.S. dollars
|December 2008 (final)||672.4||579.1||0.86|
|January 2009 (prelim.)||592.2||285.6||0.48|
|Source: SEMI Feb 2009|
Needless to say, these numbers are pretty damn bad. Keep in mind, its a rolling 3 month average. Bookings lead billings. Told ya there was too much memory spending.