Sale 1:

https://backpack.tf/profiles/76561198340178987#!/compare/1561939200/1563235200

https://backpack.tf/profiles/76561198337734785#!/compare/1561852800/1561939200

Sold for ~9 keys

Sale 2:

https://backpack.tf/profiles/76561198337734785#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198114110073#!/compare/1551484800/1565913600

Keys

Sale 3:

https://backpack.tf/profiles/76561198102317411#!/compare/1560816000/1561075200

https://backpack.tf/profiles/76561198399779571#!/compare/1560729600/1561075200

Sold with ~0.5 keys in sweets for DP Glove

use there

Sale 4:

https://backpack.tf/profiles/76561198142202267#!/compare/1565740800/1565913600

https://backpack.tf/profiles/76561198841279602#!/compare/1565827200/1565913600

QS

Sale 5:

https://backpack.tf/profiles/76561198044620239#!/compare/1562284800/1563926400

https://backpack.tf/profiles/76561198094832204#!/compare/1562198400/1562284800

Bulk

Sale 6:

https://backpack.tf/profiles/76561198094832204#!/compare/1565481600/1565568000

https://backpack.tf/profiles/76561198815041071#!/compare/1561507200/1567123200

Bulk

Sale 7:

https://backpack.tf/profiles/76561198319693497#!/compare/1560729600/1561161600

https://backpack.tf/profiles/76561198841279602#!/compare/1561075200/1561161600

QS

sale 8:

https://backpack.tf/profiles/76561198841279602#!/compare/1563148800/1563235200

https://backpack.tf/profiles/76561198040186479#!/compare/1563148800/1563235200

Sold for ~6.5 keys

sale 9:

https://backpack.tf/profiles/76561198040186479#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198060733816#!/compare/1563408000/1563494400

Sold for ~9 .5 keys

Sale 10 - 13:

$20 / $1.84 = 10.87 keys <-- https://backpack.tf/item/5774989390

$13.36 / $1.83 = 7.30 keys

$17 / $1.84 = 9.24 keys

$16 / $1.83 = 8.74 keys

Total sales @:

6.5, 7.30, 8.74, 9, 9.24, 9.5 keys

buyers up to ~6.5 keys,

sellers down to 9 keys,

calling 6.5, 9.5 outliers,

taking 7.5 - 9 keys