I've done some calculations and it looks like Halo 4 will sell ~540k worldwide this week... 140k more than I predicted here!
http://gamrconnect.vgchartz.com/thread.php?id=149534
Pretty unbelievable! It'll be at about 6,450,000 copies sold with 3 weeks of sales left until the end of the year!
7.4m+ in 2012 seems inevitable








My prediction threads:
Wii U will sell under 40m units (made on 14th September 2012)
PS Vita will sell under 20m units (made on 30th September 2012)
Wii U will sell under 7m in 2013 - I was right







