History 1: https://backpack.tf/item/8589541527

Bulk

https://backpack.tf/profiles/76561198850121720#!/compare/1607731200/1607817600

https://backpack.tf/profiles/76561198366506359#!/compare/1607472000/1607990400

Untraceable:

https://backpack.tf/profiles/76561198366506359#!/compare/1608595200/1608940800

https://backpack.tf/profiles/76561198964132080#!/compare/1607126400/1609891200

History 2: https://backpack.tf/item/7429419379

Untraceable:

https://backpack.tf/profiles/76561198431663881#!/compare/1603929600/1606003200

https://backpack.tf/profiles/76561198240574586#!/compare/1597708800/1606003200

History 3: https://backpack.tf/item/7358351853

Bulk:

https://backpack.tf/profiles/76561198311811886#!/compare/1610668800/1610841600

https://backpack.tf/profiles/76561198349740429#!/compare/1610582400/1611446400

History 4: https://backpack.tf/item/6958636893

Untraceable

https://backpack.tf/profiles/76561198114752613#!/compare/1603411200/1605139200

https://backpack.tf/profiles/76561198989715972#!/compare/1608940800/1608940800

History 5: https://backpack.tf/item/6488961362

Tradebacks

4 keys:

https://backpack.tf/profiles/76561198311498888#!/compare/1606262400/1606348800

https://backpack.tf/profiles/76561198420296790#!/compare/1583539200/1607990400

History 6: https://backpack.tf/item/4212941167

Untraceable:

https://backpack.tf/profiles/76561198135388328#!/compare/1609545600/1609632000

https://backpack.tf/profiles/76561199088611814#!/compare/1609545600/1609632000

Bulk:

https://backpack.tf/profiles/76561199088611814#!/compare/1609632000/1609718400

https://backpack.tf/profiles/76561198210225228#!/compare/1609545600/1609718400

Untraceable:

https://backpack.tf/profiles/76561198210225228#!/compare/1609718400/1609804800

https://backpack.tf/profiles/76561198803466706#!/compare/1607212800/1610582400

Untraceable

https://backpack.tf/profiles/76561198803466706#!/compare/1607212800/1610582400

https://backpack.tf/profiles/76561199099031605#!/compare/1610755200/1610841600

History 7: https://backpack.tf/item/3588498067

Bulk:

https://backpack.tf/profiles/76561198034817744#!/compare/1606089600/1606176000

https://backpack.tf/profiles/76561199084784906#!/compare/1606089600/1606176000

bot transfers

8 keys match:

https://backpack.tf/profiles/76561198850274253#!/compare/1608854400/1608940800

https://backpack.tf/profiles/76561198094230147#!/compare/1608854400/1608940800

Bulk:

https://backpack.tf/profiles/76561198094230147#!/compare/1608940800/1609027200

https://backpack.tf/profiles/76561198375456451#!/compare/1608854400/1609027200

Untraceable/bulk:

https://backpack.tf/profiles/76561198375456451#!/compare/1609027200/1609459200

https://backpack.tf/profiles/76561198308024160#!/compare/1609200000/1610064000*

Untraceable:

https://backpack.tf/profiles/76561198308024160#!/compare/1610236800/1610323200

https://backpack.tf/profiles/76561198841279602#!/compare/1610236800/1610323200

5 keys-0.06=4.94 ~4.95 keys

https://backpack.tf/profiles/76561198841279602#!/compare/1611100800/1611187200

https://backpack.tf/profiles/76561198066860118#!/compare/1588118400/1611187200

Marketplace.tf sales: https://marketplace.tf/items/tf2/1107;5;u3009

November 4: $8.42/1.84=4.63 ~4.65 keys

November 7: $8.51/1.81=4.7 keys

December 16: $10/2.02=4.95 keys

Mannco.Store sale: https://mannco.store/item/26432

December 21: $6.48/1.67=3.88 ~3.9 keys

Unsolds: 2 at 5 keys

Sales at 3.9, 4, 4.65, 4.7, 4.95, 4.95, 8

With two sellers at 5, 8 is obviously a high outlier

With buyers up to 4.49, 3.9-4 is gonna be low

Going 4.65-4.95 keys