Sale 1:

https://backpack.tf/profiles/76561198070910160#!/compare/1581292800/1581465600

https://backpack.tf/profiles/76561198849003232#!/compare/1581292800/1581379200

Sold for ~12 keys

sale 2:

https://backpack.tf/profiles/76561198849003232#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198124260072#!/compare/1581379200/1581465600

Sold for 15 keys

Sale 3:

https://backpack.tf/profiles/76561198285933758#!/compare/1582329600/1584921600

https://backpack.tf/profiles/76561198398383076#!/compare/1582416000/1582502400

Untrace

sale 4:

https://backpack.tf/profiles/76561198398383076#!/compare/1582588800/1582675200

https://backpack.tf/profiles/76561198363395191#!/compare/1582502400/1582588800

QS

sale 5:

https://backpack.tf/profiles/76561198363395191#!/compare/1582588800/1582675200

https://backpack.tf/profiles/76561198336898193#!/compare/1582761600/1583193600

Untrace

Sale 6:

https://backpack.tf/profiles/76561198158210385#!/compare/1585180800/1586563200

https://backpack.tf/profiles/76561198062425416#!/compare/1585526400/1585612800

Untrace, probably keys?

Sale 7:

https://backpack.tf/profiles/76561198260577473#!/compare/1581552000/1583020800

https://backpack.tf/profiles/76561198112211345#!/compare/1577664000/1581811200

https://backpack.tf/profiles/76561198260577473#!/compare/1580947200/1583107200

Transfer

sale 8:

https://backpack.tf/profiles/76561198052696578#!/compare/1580083200/1580169600

https://backpack.tf/profiles/76561198198105138#!/compare/1579910400/1580342400

Keys, or RL? can't tell

Sale 9:

https://backpack.tf/profiles/76561198086749028#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198801840862#!/compare/1578614400/1582329600

Sold for ~17 keys in sweets

https://bot.tf/stats/listings/4RG83QX9

B/O of 15 keys, capping

Sale 10:

https://backpack.tf/profiles/76561198801840862#!/compare/1578614400/1582329600

https://backpack.tf/profiles/76561198271577665#!/compare/1582243200/1582329600

Sold with ~0.49 keys in sweets for Winter Breakdance

Breakdance Mini:

https://backpack.tf/suggestion/5e9fcf0da2c4167c62530a27

Suggestion for 10 keys

Total is ~10.5, below buyers.

Sale 11:

https://backpack.tf/profiles/76561198271577665#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198411392321#!/compare/1583798400/1585958400

Bulk

Sale 12:

https://backpack.tf/profiles/76561198197769685#!/compare/1578614400/1584921600

https://backpack.tf/profiles/76561198131081286#!/compare/1584835200/1584921600

Sold for 10 keys

sale 13:

https://backpack.tf/profiles/76561198131081286#!/compare/1584921600/1585008000

https://backpack.tf/profiles/76561198294538044#!/compare/1584921600/1585008000

Sold for Fragmenting Yule

use there

sale 14:

https://backpack.tf/profiles/76561198294538044#!/compare/1585094400/1585699200

https://backpack.tf/profiles/76561198866301215#!/compare/1585440000/1585526400

Untrace

Sale 15:

https://backpack.tf/profiles/76561198866301215#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198087397889#!/compare/1585180800/1585526400

Sold for 15 keys in sweets

Sale 16:

https://backpack.tf/profiles/76561199000050049#!/compare/1581033600/1581120000

https://backpack.tf/profiles/76561197978024565#!/compare/1580947200/1581033600

Sold for CTFL Firewall

use there

Sale 17:

https://backpack.tf/profiles/76561197978024565#!/compare/1581206400/1581292800

https://backpack.tf/profiles/76561198372638276#!/compare/1581120000/1581206400

Sold for ~12 keys in sweets (NOTE: might have miscounted sweets, fairly certain only cat hat + shooting Star are involved, double check would help.)

Sale 18:

https://backpack.tf/profiles/76561198372638276#!/compare/1581292800/1581379200

https://backpack.tf/profiles/76561198078552523#!/compare/1581292800/1581379200

Transfer

Sale 19:

https://backpack.tf/profiles/76561198078552523#!/compare/1581379200/1581638400

https://backpack.tf/profiles/76561198397948526#!/compare/1581638400/1582156800

Untrace

sale 20:

https://marketplace.tf/items/tf2/760;5;u57

$29.39 / $1.78 = 16.51 keys

$27.79 / $1.75 = 15.88 keys

$29.95 / $1.77 = 16.92 keys

$70 / $1.71 = 40.94 keys

$12.05 / $1.68 = 7.17 keys <--- Buy order

$29.95 / $1.71 = 17.51 keys <--- https://backpack.tf/item/2213342638

Total sales @:

10, 12, 12, 15, 15, 15, 16, 17, 17, 18, 41 keys

buyers up to 12 keys,

sellers down to 18 keys,

calling 12 low,

calling 18 high,

taking 15 - 17 keys.