Sale 1:

https://backpack.tf/profiles/76561198018497391#!/compare/1584316800/1584403200

https://backpack.tf/profiles/76561198095722606#!/compare/1584230400/1584316800

Sold with 4 keys for DBD Hottie

use there

sale 2:

https://backpack.tf/profiles/76561198095722606#!/compare/1584316800/1584403200

https://backpack.tf/profiles/76561198104056646#!/compare/1584316800/1584403200

Sold for 5 keys

Sale 3:

https://backpack.tf/profiles/76561198104056646#!/compare/1584316800/1584403200

https://backpack.tf/profiles/76561198868969121#!/compare/1582329600/1584489600

Untrace

sale 4:

https://backpack.tf/profiles/76561198982803000#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198880361166#!/compare/1585785600/1586044800

Bulk

Sale 5:

https://backpack.tf/profiles/76561198880361166#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198322560312#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198966838493#!/compare/1585872000/1586131200

https://backpack.tf/profiles/76561198020673987#!/compare/1586476800/1586563200

Bulk / untrace

sale 6:

https://backpack.tf/profiles/76561198020673987#!/compare/1586563200/1586649600

https://backpack.tf/profiles/76561198850274253#!/compare/1586563200/1586649600

QS

Sale 7:

https://backpack.tf/profiles/76561198129925933#!/compare/1584576000/1584748800

https://backpack.tf/profiles/76561198735283230#!/compare/1584662400/1584748800

Sold with ~3 keys in sweets for OF Commander

use there

Sale 8:

https://backpack.tf/profiles/76561198735283230#!/compare/1584748800/1584835200

https://backpack.tf/profiles/76561198165841420#!/compare/1584748800/1584835200

Sold for 72 Flippin(4.28) + 2 keys

Total is ~6.5 keys

Sale 9:

https://backpack.tf/profiles/76561198165841420#!/compare/1585267200/1586390400

https://backpack.tf/profiles/76561198162463390#!/compare/1564963200/1587513600

Untrace

Sale 10:

https://backpack.tf/profiles/76561198341171690#!/compare/1581984000/1582070400

https://backpack.tf/profiles/76561198379316000#!/compare/1581897600/1582070400

Sold for 6.5 keys

sale 11:

https://backpack.tf/profiles/76561198379316000#!/compare/1582329600/1582588800

https://backpack.tf/profiles/76561198395189131#!/compare/1582416000/1582502400

https://backpack.tf/profiles/76561198072046829#!/compare/1582588800/1582761600

Untrace

Sale 12:

https://backpack.tf/profiles/76561198072046829#!/compare/1582761600/1582848000

https://backpack.tf/profiles/76561198982470685#!/compare/1582675200/1582761600

Can trace 2 keys

sale 13:

https://backpack.tf/profiles/76561198982470685#!/compare/1583539200/1583625600

https://backpack.tf/profiles/76561198337734785#!/compare/1583539200/1583625600

QS

sale 14:

https://marketplace.tf/items/tf2/30057;5;u56

$16.97 / $1.76 = 9.64 keys

$9.6 / $1.77 = 5.42 keys

$18 / $1.69 = 10.65 keys

$13.89 / $1.69 = 8.22 keys

$14.5 / $1.70 = 8.53 keys

total sales @:

5, 5.5, 6.5, 6.5, 8, 8.5, 9.5, 10.5 keys

https://i.imgur.com/ZwBhHgE.jpg

Seller at ~6.5 keys unsold for 2 weeks,

buyers up to 5.7 keys,

calling 5.5 low,

9.5 high,

taking 6.5 - 8.5 keys.