Sorting

The sort button in the /ah menu changes the order listings appear in.

The six orders

Sort	Shows
Price, low to high	Cheapest first.
Price, high to low	Most expensive first.
Newest first	Most recently listed at the top.
Oldest first	Longest-standing listings first.
Name, A to Z	Alphabetical.
Name, Z to A	Reverse alphabetical.

It remembers your choice

Your sort order is saved for you. The next time you open the auction house, it is still sorted the way you left it.