Listen, I just copied Bubble's proof because I though he was right.

Sellers under accepted price

http://i.imgur.com/JOOrztJ.png <--- 2 at 1 key

http://www.tf2outpost.com/trade/18565608 <--- 1 key (actually sold)

http://www.tf2outpost.com/trade/18820592 <--- 1 key

http://www.tf2outpost.com/trade/18820260 <--- 1 key

http://www.tf2outpost.com/trade/18823332 <--- 1 key

http://www.tf2outpost.com/trade/18752587 <--- 1 key

http://www.tf2outpost.com/trade/18805325 <--- 1 key

http://www.tf2outpost.com/trade/18730179 <--- 1 key. He never bumped it.

http://www.tf2outpost.com/trade/18712062 <--- 1 key. He never bumped it.

http://www.tf2outpost.com/trade/18750682 <--- 1 key. He never bumped it.

http://www.tf2outpost.com/trade/18792708 <--- 1 key. He never bumped it.

http://www.tf2outpost.com/trade/18787328 <--- 1 key. He never bumped it.

Unsold at accepted price

http://www.tf2outpost.com/trade/18547293 <--- 2 weeks

http://www.tf2outpost.com/trade/18637782 <--- 1 week

http://www.tf2outpost.com/trade/18806853 <--- 1 day

http://www.tf2outpost.com/trade/18535636 <--- 2 weeks

http://www.tf2outpost.com/trade/18791045 <--- 2 days with autobump

http://www.tf2outpost.com/trade/18703148 <--- 6 days

http://www.tf2outpost.com/trade/18691335 <--- 1 week with autobump

http://www.tf2outpost.com/trade/18655767 <-- 1 week with autobump

http://www.tf2outpost.com/trade/18775006 <--- 3 days

http://www.tf2outpost.com/trade/18462802 <--- 2 weeks

http://www.tf2outpost.com/trade/18800816 <--- 1 day

http://www.tf2outpost.com/trade/18809784 <--- 1 day