Why no boost for XBOX ONE this week in USA?

[drake_tolu]

Last week:

6

FIFA 15 (XOne) Electronic Arts, Sports

83,119

83,119

1

XOne

41,755

(-6%)

3,435,461

------------------------------------------------------------------------------

This week:

3	Middle-Earth: Shadow of Mordor (XOne) Warner Bros. Interactive Entertainment, Action	186,286	186,286	1
4	Forza Horizon 2 (XOne) Microsoft Game Studios, Action	175,246	175,246	1

XOne

40,936

(-2%)

3,476,397

...

Why no boost for XBOX ONE with Forza and Shadow of Mordor???

Both game have sold almost 200K, and honestly, i have predict a 30-50% boost for XO this week... This number are strange imho. (i don't said that VGC underestimate or overestimate XO, but i only said that this number are strange)