tak13 on 13 November 2017
The 7m must be as of 30th September because this number comes from the ir event about FY17/18 Q2 earnings , sales performance, e.t.c presentation by president to investors.
Super Mario odyssey sell-through number is bonus information because it happened to be released in the time interval of financial results announcement, so it had to share more great news with investors.
Nintendo wouldn't give a hardware sell-trough figure as of a month that belongs to FQ3 to an event about FQ2.
Anywise, there is a 2017 sell-through chart about 3ds in the report and they mention that is as of 3rd of October, the last day of 5th week of September.
