Sale 1:

https://backpack.tf/profiles/76561198337734785#!/compare/1593388800/1593475200

https://backpack.tf/profiles/76561198030214998#!/compare/1593475200/1593561600

https://backpack.tf/profiles/76561198850274253#!/compare/1593475200/1593561600

Untrace

sale 2:

https://backpack.tf/profiles/76561198122342123#!/compare/1589673600/1590105600

https://backpack.tf/profiles/76561198145632591#!/compare/1589673600/1589760000

untrace

sale 3:

https://backpack.tf/profiles/76561198055339823#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198030214998#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198100484031#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198279539667#!/compare/1593043200/1593216000

Untrace

Sale 4:

https://backpack.tf/profiles/76561198279539667#!/compare/1592870400/1593043200

https://backpack.tf/profiles/76561198850178158#!/compare/1592956800/1593043200

QS

sale 5:

https://backpack.tf/profiles/76561198850274253#!/compare/1593475200/1593561600

https://backpack.tf/profiles/76561198432822521#!/compare/1593475200/1593561600

Untrace

sale 6:

https://backpack.tf/profiles/76561198432822521#!/compare/1593561600/1593648000

https://backpack.tf/profiles/76561198194587539#!/compare/1593561600/1593648000

Sold for ~6 keys

sale 7:

https://backpack.tf/profiles/76561198194587539#!/compare/1593993600/1594166400

https://backpack.tf/profiles/76561198313871647#!/compare/1572739200/1594166400

https://backpack.tf/profiles/76561198313871647#!/compare/1594166400/1594339200

https://backpack.tf/profiles/76561198850178158#!/compare/1594080000/1594166400

Bulk / QS

sale 8:

https://backpack.tf/profiles/76561198245133310#!/compare/1584489600/1593216000

https://backpack.tf/profiles/76561199039080265#!/compare/1593129600/1593216000

Bulk

sale 9:

https://backpack.tf/profiles/76561199039080265#!/compare/1593129600/1593216000

https://backpack.tf/profiles/76561198021228339#!/compare/1593129600/1593216000

Bulk

sale 10:

https://backpack.tf/profiles/76561198021228339#!/compare/1593302400/1593388800

https://backpack.tf/profiles/76561198146784656#!/compare/1593302400/1593388800

Bulk

sale 11:

https://backpack.tf/profiles/76561198146784656#!/compare/1593475200/1593561600

https://backpack.tf/profiles/76561198351379177#!/compare/1593475200/1593561600

Sold for ~5.5 keys

sale 12:

https://marketplace.tf/items/tf2/721;5;u59

$19.99 / $1.99 = 10.05 keys

sale 13:

https://backpack.tf/profiles/76561198337734785#!/compare/1596585600/1596672000

https://backpack.tf/profiles/76561198163718733#!/compare/1596585600/1596672000

Sold for DP Data(9.5)

https://i.imgur.com/nD7gpCO.png

B/O of ~7.5 keys, capping

sale 14:

https://backpack.tf/profiles/76561198163718733#!/compare/1596758400/1596844800

https://backpack.tf/profiles/76561198983255976#!/compare/1596672000/1596758400

Bulk

Total sales @:

5.5, 6, 7.5, 10 keys

https://i.imgur.com/nD7gpCO.png

buyers up to ~5.55 keys,

seller at ~7.5 keys,

2 year unsold for 10 keys,

taking 6 - 7.5 keys.