They haven't been shipped yet

(my mistake, it was the 26th and the 23rd but still in time for the shipment cut-off)
They havent been marked as shipped, its normal for BITMAIN to ship before updating the web site. There are loads of examples of this already in this thread.
They were all ordered before the 23rd cutoff date so they will have been shipped on the 24th and 25th. If, when you get the tracking details it shows they were shipped after the 25th then you will have a case for claiming a coupon and going by past history with BITMAIN you will probably get one.