By summing up the Point of Sale (POS) data of approximately 2,000 American supermarket stores from 2001 to 2012 for every company, we compared the growth rate of the POS sales data with each company's actual sales. We confirmed that the growth rate in quarterly sales for companies whose anchor products are daily necessities in the United States were strongly related to the POS data's growth rate,
... [Show full abstract] thus demonstrating that nowcast (real-time observation of company sales) is possible, at least for this type of business enterprise.