Why is this still 10 ref?

Sellers:

http://www.tf2outpost.com/trade/26269186 <--- 9 ref

http://www.tf2outpost.com/trade/25253197 <--- (Seller for 9 ref, none in stock)

http://www.tf2outpost.com/trade/26285190 <-- Wants Gold paint (worth 9 ref)

http://www.tf2outpost.com/trade/26283798 <-- 9 ref

http://www.tf2outpost.com/trade/25723246 <-- 9 ref

Unsolds:

http://www.tf2outpost.com/trade/26140697 - Bp price (2 weeks)

http://www.tf2outpost.com/trade/26198430 - 10 ref (1 week)

http://www.tf2outpost.com/trade/26267787 - 10 ref (Young, 2 days)

http://www.tf2outpost.com/trade/26204846 - 10 ref (1 week)

http://www.tf2outpost.com/trade/26235501 - 10 ref (6 days)

http://www.tf2outpost.com/trade/26275481 - 9.88 ref (1 day)

http://www.tf2outpost.com/trade/26060546 - 10 ref (4 weeks)

http://www.tf2outpost.com/trade/25426286 - 10 ref (3 months, OMG!)

http://www.tf2outpost.com/trade/26267634 -11 ref (2 days) <-- (showing can't be raised)

http://www.tf2outpost.com/trade/26259467 - 10 ref (3 days)

http://www.tf2outpost.com/trade/26247262 - 10 ref (4 days)

http://www.tf2outpost.com/trade/26204074 - 10 ref (poorly bumped)

Couldn't find any sellers between 9.11 and 9.77, but just 9 ref.