My EDD showed 8/14-8/21. It had moved multiple times over the last week. On 7/26 it showed an EDD of 8/18-9/7 on 7/30 it showed 8/11-8/21. On 7/31 it showed 8/12-8/20. On 8/1 it showed 8/13-8/20 and yesterday it was 8/14-8/21 when I got my VIN and then changed to 8/11-8/16 . Today it is 8/10-8/16.