Minis provided for prices marked in RED*.

Sale #1 (Demember 26th):

Whirly > Orbiting Fire Hermes (1.125) + 8 keys

Herme's: http://www.tf2outpost.com/trade/24254075

Seller's BP:

Before: http://backpack.tf/profiles/76561198051366162?time=1419494400

After: http://backpack.tf/profiles/76561198051366162?time=1419580800

Buds = 14 keys

8 / 14 = 0.57

1.125 * 0.9 = 1.01

1.01 + 0.57 = 1.58 = 1.6

1.6

------------------------------------------------

Sale #2 (December 21st):

Whirly > 18 keys

Whirly: http://www.tf2outpost.com/trade/24144991

Seller's BP:

Before: http://backpack.tf/profiles/76561198123097015?time=1419062400

After: http://backpack.tf/profiles/76561198123097015?time=1419148800

Buds = 11.25 keys

18 / 11.25 = 1.6

1.6

------------------------------------------------

Sale #3 (December 15th):

Whirly + Genuine Horace (10 keys) + 2 buds > Orbiting Fire Killer Exclusive (4.5)

Whirly: http://www.tf2outpost.com/trade/24111806

Seller's BP:

Before: http://backpack.tf/profiles/76561198055163381?time=1418544000

After: http://backpack.tf/profiles/76561198055163381?time=1418630400

Buds = 12.5 keys

10 / 12.5 = 0.8

0.8 + 2 = 2.8

4.5 * 0.9 = 4.05

4.05 - 2.8 = 1.25 = 1.3

1.3

------------------------------------------------

Sale #4 (November 28th):

Whirly > 2 buds

Whirly: http://www.tf2outpost.com/trade/23894271

Buyer's BP:

Before: http://backpack.tf/profiles/76561198080095368?time=1417075200

After: http://backpack.tf/profiles/76561198080095368?time=1417161600

2

------------------------------------------------

Sale #5 (November 25th):

Whirly + DBD Hat of Cards (3.4*) > Australium Scattergun (2.9) + Blizz Backward's Ballcap (2*)

Scattergun: http://www.tf2outpost.com/trade/23807045

Ballcap: http://www.tf2outpost.com/trade/23838056

Seller's BP:

Before: http://backpack.tf/profiles/76561198057424585?time=1416816000

After: http://backpack.tf/profiles/76561198057424585?time=1416902400

(2.9 + 2) * 0.9 = 4.4

4.4 - 3.4 = 1

1

Minis:

Disco Beat Down Hat of Cards (January 11th):

Hat of Cards > Miami Nights Thirst Blood (3.75)

Seller's BP:

Before: http://backpack.tf/profiles/76561198054601537?time=1420790400

After: http://backpack.tf/profiles/76561198054601537?time=1420963200

3.75 * 0.9 = 3.375 = 3.4

3.4

------------------------------------------------

Blizzardy Storm Backward's Ballcap (Hovember 27th):

Ballcap > 2 Pink B.M.O.C. (11 keys each) + Gifted Voodoo Juju (9 keys)

http://puu.sh/eB2Td/c0fab1fadc.png

http://puu.sh/eB2Vx/e23e9c1353.jpg

Ballcap: http://www.tf2outpost.com/trade/23782342

Values come from here: http://i.imgur.com/HeJnSdI.png // http://www.tf2outpost.com/trade/23889564

Buds = 14 keys

(11 + 11 + 9) * 0.9 = 27.9

27.9 / 14 = 1.99 = 2

2

Conclusion:

The sale at 1 was excluded from the range because it was too complex and was inconsistent with the other sales, which makes the range 1.3-2.