Sale 1:

Sold for 26 keys

No outpost

Seller: http://backpack.tf/profiles/76561198086948995#!/compare/1481932800/1482019200

Buyer: http://backpack.tf/profiles/76561198081162241#!/compare/1482019200/1485648000

X = 26

Sale 2:

Sold for Terror-Watt Reggaelator

http://www.tf2outpost.com/trade/28643667 - B/O of 22

Seller: http://backpack.tf/profiles/76561198097135729#!/compare/1480896000/1480982400

Buyer: http://backpack.tf/profiles/76561198017284777#!/compare/1480896000/1480982400

Should easily cap

X = 22 (capped by B/O)

Sale 3:

Sold for Australium Wrench (19)

No outpost

Seller: http://backpack.tf/profiles/76561198049623970#!/compare/1480809600/1481587200

Buyer: http://backpack.tf/profiles/76561198097135729#!/compare/1480723200/1480809600

X = 19

Sale 4:

Bulk for Mega Strike Schadenfreude

Seller: http://backpack.tf/profiles/76561198202135278#!/compare/1485388800/1485475200

Buyer: http://backpack.tf/profiles/76561198182213262#!/compare/1485388800/1485475200

Should be used on the Schadenfreude

Sellers:

25 keys:

http://i.imgur.com/39anuXF.png

http://backpack.tf/u/76561198009950989

http://www.tf2outpost.com/trade/28274154 - 7 months (dang)

http://i.imgur.com/aoW99tJ.png

http://backpack.tf/u/76561198030113816

http://www.tf2outpost.com/trade/28731096 - 1 week

http://www.tf2outpost.com/trade/28673320 - 1 month (most likely on the SCM)

http://backpack.tf/u/76561197965601027

http://www.tf2outpost.com/trade/28745619 - 1 day

http://backpack.tf/u/76561198038978482

Sales at:

19

22

26

19 looks pretty low, especially with a buyer at 18. Excluding 19.

I don’t usually cap a sale with other sellers, but given that one of the sellers are 7 months old, it should be fairly reasonable to set the high-end to 25, rather than 26.

Going with 22-25.