Sale 1:

https://backpack.tf/profiles/76561198399033192#!/compare/1576368000/1584576000

https://backpack.tf/profiles/76561198020673987#!/compare/1584748800/1584835200

Untrace

sale 2:

https://backpack.tf/profiles/76561198020673987#!/compare/1584748800/1584835200

https://backpack.tf/profiles/76561198850274253#!/compare/1584748800/1584835200

QS

sale 3:

https://backpack.tf/profiles/76561198850274253#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198113889163#!/compare/1587340800/1587427200

untrace

sale 4:

https://backpack.tf/profiles/76561198113889163#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198030214998#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198020673987#!/compare/1587513600/1587600000

https://backpack.tf/profiles/76561198020673987#!/compare/1587600000/1587945600

https://backpack.tf/profiles/76561198850274253#!/compare/1587859200/1587945600

untrace

sale 5:

https://backpack.tf/profiles/76561198337734785#!/compare/1585353600/1585440000

https://backpack.tf/profiles/76561198036144976#!/compare/1585267200/1585353600

Bulk / Keys

sale 6:

https://backpack.tf/profiles/76561198322560312#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198315210497#!/compare/1586131200/1586217600

Untrace

sale 7:

https://backpack.tf/profiles/76561198259050137#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198829227536#!/compare/1587427200/1587513600

sold with ~5.49 keys for TW Brigade

use there

sale 8:

https://backpack.tf/profiles/76561198829227536#!/compare/1587600000/1587686400

https://backpack.tf/profiles/76561198408606810#!/compare/1587600000/1587686400

Sold for 6.5 keys

sale 9:

https://backpack.tf/profiles/76561198302161698#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198093878618#!/compare/1586044800/1586908800

Sold for 9 keys

Sale 10:

https://backpack.tf/profiles/76561198151524512#!/compare/1581120000/1582156800

https://backpack.tf/profiles/76561198801634335#!/compare/1579651200/1581206400

https://backpack.tf/profiles/76561198950621219#!/compare/1581206400/1581292800

https://backpack.tf/profiles/76561198122393901#!/compare/1581292800/1581379200

https://backpack.tf/profiles/76561198868347015#!/compare/1581638400/1581465600

https://backpack.tf/profiles/76561198337734785#!/compare/1581552000/1581638400

Untrace

sale 11:

https://backpack.tf/profiles/76561198089253101#!/compare/1580428800/1580515200

https://backpack.tf/profiles/76561198850178158#!/compare/1580515200/1584489600

Sold for ~6 keys

sale 12:

https://marketplace.tf/items/tf2/612;5;u57

$13.85 / $1.76 = 7.87 keys <--- https://backpack.tf/item/7955976595

$13.85 / $1.77 = 7.82 keys

$13.85 / $1.77 = 7.82 keys

$13.59 / $1.70 = 7.99 keys <--- https://backpack.tf/item/7955976595

$12.69 / $1.72 = 7.38 keys <--- https://backpack.tf/item/7956589517

$12.69 / $1.72 = 7.38 keys

$13.22 / $1.69 = 7.82 keys

$14.33 / $1.79 = 8.01 keys

Total sales @:

6, 6.5, 7.5, 7.5, 8, 8, 8, 8, 8, 9 keys

buyers up to 6 keys,

new seller for 8 keys,

calling 6.5 low,

9 high,

taking 7.5 - 8 keys