Deja vu.

Sale 1:

https://backpack.tf/profiles/76561198126993284#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198372394405#!/compare/1585872000/1585958400

Sold for DP Tippler

use there

sale 2:

https://backpack.tf/profiles/76561198372394405#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198146297105#!/compare/1585872000/1586044800

Sold for ~5 keys in sweets

sale 3:

https://backpack.tf/profiles/76561198146297105#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198436065273#!/compare/1586044800/1586131200

Sold for 7 keys

Sale 4:

https://backpack.tf/profiles/76561198436065273#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198000485231#!/compare/1586044800/1586131200

Untrace

sale 5:

https://backpack.tf/profiles/76561198000485231#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198156407608#!/compare/1586044800/1586131200

Can trace 5 keys

Sale 6:

https://backpack.tf/profiles/76561198158482500#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198425761681#!/compare/1586304000/1586390400

Sold for ~6 keys

sale 7:

https://backpack.tf/profiles/76561198425761681#!/compare/1586476800/1586908800

https://backpack.tf/profiles/76561198283091524#!/compare/1570924800/1586476800

Untrace

Sale 8:

https://backpack.tf/profiles/76561198283091524#!/compare/1586476800/1586563200

https://backpack.tf/profiles/76561198170002027#!/compare/1586390400/1586476800

Sold with 4 keys for Stormy Raincatcher

use there

Sale 9:

https://backpack.tf/profiles/76561198170002027#!/compare/1586476800/1586563200

https://backpack.tf/profiles/76561198985910282#!/compare/1586476800/1586563200

QS

sale 10:

https://backpack.tf/profiles/76561198349758040#!/compare/1580256000/1582502400

https://backpack.tf/profiles/76561198850274253#!/compare/1581638400/1581724800

QS

sale 11:

https://backpack.tf/profiles/76561198850274253#!/compare/1582934400/1583020800

https://backpack.tf/profiles/76561198261906113#!/compare/1582934400/1583020800

Sold with ~0.5 keys in sweets for 8 keys

Total is ~7.5 keys

Sale 12:

https://backpack.tf/profiles/76561198261906113#!/compare/1583107200/1583366400

https://backpack.tf/profiles/76561198143789627#!/compare/1583280000/1583366400

SCM

sale 13:

https://backpack.tf/profiles/76561198048724906#!/compare/1581033600/1581120000

https://backpack.tf/profiles/76561198203193110#!/compare/1578528000/1583539200

Untrace

Sale 14:

https://backpack.tf/profiles/76561198063372917#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198933270485#!/compare/1581292800/1581465600

https://backpack.tf/profiles/76561198121386755#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198071772361#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198872092565#!/compare/1578873600/1581465600

https://backpack.tf/profiles/76561198852524025#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198216693185#!/compare/1577750400/1581638400

Bulk / untrace

Sale 15:

https://backpack.tf/profiles/76561198216693185#!/compare/1581638400/1581724800

https://backpack.tf/profiles/76561198878866368#!/compare/1581033600/1582156800

Untrace

Sale 16:

https://backpack.tf/profiles/76561198878866368#!/compare/1582156800/1582502400

https://backpack.tf/profiles/76561198878948902#!/compare/1582329600/1582416000

Bulky

Sale 17:

https://backpack.tf/profiles/76561198878948902#!/compare/1582416000/1582502400

https://backpack.tf/profiles/76561198850274253#!/compare/1582416000/1582502400

QS

sale 18:

https://backpack.tf/profiles/76561198850274253#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561198158793828#!/compare/1583712000/1583798400

Can trace ~3 keys

sale 19:

https://backpack.tf/profiles/76561198158793828#!/compare/1583798400/1584144000

https://backpack.tf/profiles/76561198991402442#!/compare/1583798400/1583884800

Sold for 6 keys, but can't prove....

Sale 20:

https://backpack.tf/profiles/76561198991402442#!/compare/1584489600/1584835200

https://backpack.tf/profiles/76561198337734785#!/compare/1584403200/1584489600

QS

sale 21:

https://backpack.tf/profiles/76561198337734785#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198376084477#!/compare/1532304000/1585872000

Keys

Sale 22:

https://backpack.tf/profiles/76561198323565601#!/compare/1582156800/1582243200

https://backpack.tf/profiles/76561198183621351#!/compare/1582156800/1582243200

Sold for ~6.5 keys

Sale 23:

https://backpack.tf/profiles/76561197964171516#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198982930434#!/compare/1585353600/1585699200

Untrace

Sale 24 - 30:

https://marketplace.tf/items/tf2/30984;5;u36

$14.5 / $1.78 = 8.15 keys

$14.35 / $1.77 = 8.11 keys

$12.59 / $1.78 = 7.07 keys

$12.99 / $1.73 = 7.51 keys

$11.59 / $1.73 = 6.70 keys

$11.89 / $1.69 = 7.04 keys

$13.81 / $1.69 = 8.17 keys

Total sales @:

5, 6, 6.5, 6.5, 7, 7, 7, 7.5, 7.5, 8, 8, 8 keys

8 key unsold for months,

multiple sellers at 7 keys, one unsold for a month,

https://i.imgur.com/ENb0GdZ.jpg

buyers up to ~5.74 keys,

Calling 5 low,

8 high,

taking 6.5 to 7.5 keys, conserves around unsolds.