A new VGC policy perhaps, though a risky one. Basically given themselves a month to try to get sales data as accurate as possible . Great if it works, but if it turns out the numbers are still quite inaccurate until adjusted to align with official tracking data then it means a lot of time wasted and even less credibility. They might as well pump numbers out ASAP and call them preliminary until independent sales / shipment data gets published and allows refinement to produce final data.
They should have 3 stages of sales data for each week: preliminary, provisional and final.
Preliminary = sales based on immediate VGC generated information
Provisional = sales that have been subject to 1 or more rounds of adjustment either from internal refinaement of data or data coming from 3rd party sources (like NPD)
Final = sales that will not be subject to further adjustment, it's as accurate as the information will ever get.
More transparency about the quality of the sales data being published, and also allows for earlier publication because no one is under any illusion, or delusion that initial information is highly accurate or set in stone.
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