Sale 1:

https://backpack.tf/profiles/76561198119679320#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198264117106#!/compare/1566086400/1566172800

Bulky

Sale 2:

https://backpack.tf/profiles/76561198264117106#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198314612317#!/compare/1566086400/1566172800

Sold for 10 keys

Sale 3:

https://backpack.tf/profiles/76561198314612317#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198028151043#!/compare/1566086400/1566172800

Sold for C9 HWAH

HWAH Mini:

https://backpack.tf/suggestion/5dce5953d381726906649d12

Suggestion for 8 keys

sale 4:

https://backpack.tf/profiles/76561198028151043#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198402506689#!/compare/1566172800/1566259200

Sold for Stormy Bucket

Bucket Mini:

https://backpack.tf/suggestion/5dc8b78867807241665092ba

Suggestion for 11 keys

Sale 5:

https://backpack.tf/profiles/76561198402506689#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198124241068#!/compare/1566259200/1566345600

Sold with ~4 keys in sweets for CH Mullet(16.5)

Total is 12.5 keys

Sale 6:

https://backpack.tf/profiles/76561198124241068#!/compare/1566345600/1566432000

https://backpack.tf/profiles/76561198006432645#!/compare/1566345600/1566432000

Sold with ~1 key in sweets for Miami Panama

use there

Sale 7:

https://backpack.tf/profiles/76561198006432645#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198449307015#!/compare/1566345600/1566432000

https://backpack.tf/profiles/76561198006432645#!/compare/1566432000/1566518400

Tradeback

sale 8:

https://backpack.tf/profiles/76561198006432645#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198074156797#!/compare/1566432000/1566518400

Keys

Sale 9:

https://backpack.tf/profiles/76561198074156797#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198134178481#!/compare/1566345600/1566604800

Can trace a key

Sale 10:

https://backpack.tf/profiles/76561198134178481#!/compare/1566604800/1567036800

https://backpack.tf/profiles/76561198114066856#!/compare/1566604800/1567123200

Untrace

Sale 11:

https://backpack.tf/profiles/76561198114066856#!/compare/1573516800/1573776000

https://backpack.tf/profiles/76561198252081728#!/compare/1573603200/1573689600

Untrace

sale 12:

https://backpack.tf/profiles/76561198252081728#!/compare/1573603200/1573689600

https://backpack.tf/profiles/76561198350879574#!/compare/1573603200/1573689600

Sold for 7 keys

Sale 13:

https://backpack.tf/profiles/76561198112281935#!/compare/1573171200/1573257600

https://backpack.tf/profiles/76561198243196922#!/compare/1573257600/1573344000

https://backpack.tf/profiles/76561198251978870#!/compare/1573257600/1573344000

https://backpack.tf/profiles/76561198997471665#!/compare/1573344000/1573430400

https://backpack.tf/profiles/76561198317399972#!/compare/1573257600/1573430400

https://backpack.tf/profiles/76561198063075911#!/compare/1573257600/1573430400

Untrace

Sale 14:

https://backpack.tf/profiles/76561198119153879#!/compare/1573516800/1573603200

https://backpack.tf/profiles/76561198210362793#!/compare/1573430400/1573516800

https://backpack.tf/profiles/76561198380648009#!/compare/1573516800/1573603200

https://backpack.tf/profiles/76561198880237311#!/compare/1573516800/1573603200

Untrace

sale 15:

https://backpack.tf/profiles/76561198963311674#!/compare/1567036800/1570838400

https://backpack.tf/profiles/76561198884223772#!/compare/1564531200/1568419200

untrace

Sale 16:

https://backpack.tf/profiles/76561198036144976#!/compare/1569283200/1569369600

https://backpack.tf/profiles/76561198432461884#!/compare/1569283200/1569369600

Untrace

Sale 17:

https://backpack.tf/profiles/76561198432461884#!/compare/1569283200/1569369600

https://backpack.tf/profiles/76561198080179568#!/compare/1569283200/1569369600

QS

sale 18 - 23:

https://marketplace.tf/items/tf2/30418;5;u60

$16.99 / $1.82 = 9.34 keys

$16.3 / $1.83 = 8.91 keys

$13.95 / $1.82 = 7.66 keys

$13.95 / $1.79 = 7.79 keys

$15.00 / $1.80 = 8.33 keys

$15.00 / $1.80 = 8.33 keys

Total sales @:

7, 7.66, 7.79, 8, 8.33, 8.33, 8.91, 9.34, 10, 11, 12.5 keys

buyers up to ~6.5 keys,

sellers down to 9 keys, 2 month unsold,

https://i.imgur.com/GHHz3Qv.png

considering unsolds at 9,

gonna call 9.5 high,

7 low,

taking 7.5 - 9 keys