Very low amount on the market probably lower than all of the other botkillers.

The trades on outpost are mostly have parts/dead/sets/highballers for 1 key.

Offers/Solds/Buyers at 2 ref and above:

http://www.tf2outpost.com/trade/14188324 buying for 2 ref

http://www.tf2outpost.com/trade/14189511 buying for 2 ref

http://www.tf2outpost.com/trade/14163702 buying for a sharp dresser (2-2.33 ref)

http://www.tf2outpost.com/trade/10650383 sold some recently for 2.33 ref (out of stock) and has interested buyers and has offers of 2 ref.

http://www.tf2outpost.com/trade/13991706 recent offers of 2 ref and a silver wrench mk1 (2-2.33 ref)

Sold quick at 1.66 ref:

http://www.tf2outpost.com/trade/14196397 sold as soon as the trade was put up (2 hours ago)

http://www.tf2outpost.com/trade/14173254 same day the trade was put up (unconfirmed what time it was exactly sold)

Unsuccessful/Low Success Buyers:

http://www.tf2outpost.com/trade/14175603 1 day, none at 1.66 ref

http://www.tf2outpost.com/trade/13336531 1 month, has 1 bought 2 weeks ago at 1.66 ref