https://marketplace.tf/items/tf2/31085;5;u142

Oct 11 - $39.99 / $1.87 = 21.39 keys

Oct 17 - $45.99 / $1.87 = 24.59 keys

Dec 14 - $41.99 / $1.96 = 21.42 keys

https://backpack.tf/profiles/76561198065692866#!/compare/1605571200/1606089600

https://backpack.tf/profiles/76561198798683432#!/compare/1605484800/1605571200

Untraceable

https://backpack.tf/profiles/76561198798683432#!/compare/1607040000/1607558400

https://backpack.tf/profiles/76561198141384474#!/compare/1606867200/1607385600

Untraceable

https://backpack.tf/profiles/76561198005070905#!/compare/1604016000/1604188800

https://backpack.tf/profiles/76561198295872788#!/compare/1604102400/1604275200

25 keys

https://backpack.tf/profiles/76561198055050129#!/compare/1603152000/1603238400

https://backpack.tf/profiles/76561198201316974#!/compare/1603065600/1603152000

Astral Presence Taunt: Oblooterated

low here, high there

https://backpack.tf/suggestion/5ff76b040a29f30fbd6352b8

https://backpack.tf/profiles/76561198201316974#!/compare/1604448000/1604793600

https://backpack.tf/profiles/76561198160331742#!/compare/1604620800/1604793600

added 1 key for wandering wisps sophisticated smoker

https://backpack.tf/profiles/76561198160331742#!/compare/1604620800/1604793600

https://backpack.tf/profiles/76561198156255538#!/compare/1604707200/1604793600

looks like 17 keys leaving 2nd compare, which is right next to buy order https://gyazo.com/4cb45c3043ad552ace7fa1764f6b231a

https://backpack.tf/profiles/76561198156255538#!/compare/1605571200/1605657600

https://backpack.tf/profiles/76561198122514109#!/compare/1575676800/1607558400

Untraceable

https://backpack.tf/profiles/76561198056132929#!/compare/1602288000/1602547200

https://backpack.tf/profiles/76561198075931595#!/compare/1602460800/1602547200

19 keys

https://backpack.tf/profiles/76561198075931595#!/compare/1602547200/1602633600

https://backpack.tf/profiles/76561198276927347#!/compare/1588204800/1602720000

it looks like that 23 key + 28 refined stack

Sales

17

19

21

21

23?

25

25

17 went to a quickbuyer

19 sold for the 23 (?) in 1 day

so maybe i just go 21-25?