Arkaign on 18 July 2014
It will be hard to tell even when it does, because those weeks are unlikely to translate into a monthly win.
It's possible that during the $399 SKU week, XB1 might have already outsold PS4 for that week, but due to that being a massive bubble built up from delayed May sales, was then obviously outsold the rest of the month after that temporary effect was over.
