Sale 1:

https://backpack.tf/profiles/76561198129773776#!/compare/1583625600/1584144000

https://backpack.tf/profiles/76561198337734785#!/compare/1584057600/1584144000

QS

sale 2:

https://backpack.tf/profiles/76561198106167872#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198097517494#!/compare/1587168000/1587427200

Untrace

sale 3:

https://backpack.tf/profiles/76561198252918994#!/compare/1580601600/1580688000

https://backpack.tf/profiles/76561198071465778#!/compare/1580515200/1580601600

Sold for 9 keys

sale 4:

https://backpack.tf/profiles/76561198071465778#!/compare/1581120000/1581206400

https://backpack.tf/profiles/76561198084219943#!/compare/1581206400/1581292800

Sold with ~0.49 keys in sweets for G Fetti Beanie

used there

Sale 5:

https://backpack.tf/profiles/76561198084219943#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198033593852#!/compare/1581379200/1581465600

Can trace ~5 keys

Sale 6:

https://backpack.tf/profiles/76561198033593852#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198314538469#!/compare/1581379200/1581552000

Sold for 10 keys

Sale 7:

https://backpack.tf/profiles/76561198219205067#!/compare/1584576000/1584662400

https://backpack.tf/profiles/76561198038986052#!/compare/1584576000/1584662400

Sold with ~5 keys in sweets for CH Shutter

use there

https://bot.tf/stats/listings/MQ09DRE2

B/O of 8 keys

sale 8:

https://backpack.tf/profiles/76561198038986052#!/compare/1585180800/1585267200

https://backpack.tf/profiles/76561198343510066#!/compare/1585180800/1585267200

Sold for Steaming Polar + ~1.5 keys in sweets

use there, only usable sale

https://bot.tf/stats/listings/4O997J7G

B/O of 9.5 keys

Sale 9:

https://backpack.tf/profiles/76561198343510066#!/compare/1585267200/1585353600

https://backpack.tf/profiles/76561198259819412#!/compare/1585180800/1585267200

Sold with ~1 key in sweets for DBD Wet Works

Works Mini:

https://backpack.tf/suggestion/5ea081dc211f392249423bbc

Suggestion for 11.5 keys

Total is 10.5 keys

Sale 10:

https://backpack.tf/profiles/76561198259819412#!/compare/1585267200/1585353600

https://backpack.tf/profiles/76561198079578383#!/compare/1585353600/1585440000

Sold for 8 keys

Sale 11:

https://marketplace.tf/items/tf2/107;5;u35

$23.99 / $1.78 = 13.48 keys

Total sales @:

8, 9, 10, 11, 13 keys

buyers up to 8 keys,

near month old seller at 10 keys,

seller at ~9.5 keys unsold for 2 weeks,

previously unsold at 10 for months:

https://bot.tf/stats/listings/4ZKLD56Q

calling 13 high,

8 low,

taking 9 - 11 keys,

conserving around unsold.