Sale 1:

https://backpack.tf/profiles/76561197966549202#!/compare/1568851200/1569196800

https://backpack.tf/profiles/76561198126743432#!/compare/1568505600/1569456000

SCM

sale 2:

https://backpack.tf/profiles/76561198067670488#!/compare/1567209600/1568246400

https://backpack.tf/profiles/76561198014526583#!/compare/1562371200/1568246400

SCM

sale 3:

https://backpack.tf/profiles/76561198337734785#!/compare/1561680000/1561766400

https://backpack.tf/profiles/76561198051972091#!/compare/1561680000/1561766400

Sold for 18 keys

Sale 4:

https://backpack.tf/profiles/76561198051972091#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198107793922#!/compare/1566950400/1567296000

Sold for 17 keys

Sale 5:

https://backpack.tf/profiles/76561198107793922#!/compare/1567296000/1568073600

https://backpack.tf/profiles/76561198026896051#!/compare/1567900800/1567987200

Sold for 18 keys

Sale 6:

https://backpack.tf/profiles/76561198812154373#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198334598690#!/compare/1566000000/1566086400

Sold for 15 keys (QS)

Sale 7:

https://backpack.tf/profiles/76561198334598690#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198073896407#!/compare/1566345600/1566432000

Sold for 22 Keys

Sale 8:

https://backpack.tf/profiles/76561198035674785#!/compare/1556668800/1563321600

https://backpack.tf/profiles/76561198197292179#!/compare/1564012800/1564704000

Bulk / untrace

Sale 9:

https://backpack.tf/profiles/76561198044404230#!/compare/1567209600/1567900800

https://backpack.tf/profiles/76561198308449320#!/compare/1564963200/1568937600

Untrace

Sale 10:

https://backpack.tf/profiles/76561198088822281#!/compare/1562803200/1562889600

https://backpack.tf/profiles/76561198171019315#!/compare/1562803200/1562889600

Keys, can't accurately trace how many

Sale 11:

https://backpack.tf/profiles/76561198171019315#!/compare/1564185600/1564531200

https://backpack.tf/profiles/76561198087763379#!/compare/1564444800/1564531200

Sold for CPS Albrero + 1 key

use there

Sale 12:

https://backpack.tf/profiles/76561198087476001#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198313672607#!/compare/1564790400/1565136000

Sold for ~16 keys

Sale 13:

https://backpack.tf/profiles/76561198313672607#!/compare/1565913600/1566432000

https://backpack.tf/profiles/76561198064780910#!/compare/1566345600/1566432000

Sold for 19 keys

Sale 14:

https://backpack.tf/profiles/76561198064780910#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198019370873#!/compare/1565740800/1566518400

Sold with 11 keys for HG Neckwear

use there

Sale 15:

https://backpack.tf/profiles/76561198019370873#!/compare/1566518400/1566864000

https://backpack.tf/profiles/76561198038609793#!/compare/1566691200/1566777600

Sold for C9 Eyewear

Eyewear Mini:

https://backpack.tf/suggestion/5d86f6bd67807233040d5dd1

Suggestion for 21.5 keys

https://bot.tf/stats/listings/Y7DQP1ZW

B/O of ~22 keys

Sale 16 - 19:

https://marketplace.tf/items/tf2/30682;5;u101

$47 / $1.82 = 25.82 keys

$40 / $1.81 = 22.10 keys <-- https://backpack.tf/item/7044043544

$34 / $1.82 = 18.68 keys

$34.65 / $1.81 = 19.14 keys

Total sales @:

15, 16, 17, 18, 18, 18.68, 19, 19.14, 21.5, 22, 22.10, 25.82 keys

Buyers up to 16 keys,

unsold for 22 for a month,

unsold for 25 for couple of months,

https://i.imgur.com/89AUlYG.png

calling 25.82 high,

17 and under low,

taking 18 - 22 keys