Sale 1:

https://backpack.tf/profiles/76561198147015596#!/compare/1585180800/1585267200

https://backpack.tf/profiles/76561198442349190#!/compare/1585180800/1585267200

https://backpack.tf/profiles/76561198442349190#!/compare/1585267200/1585353600

https://backpack.tf/profiles/76561198335791307#!/compare/1585180800/1585267200

Bulk / untrace

sale 2:

https://backpack.tf/profiles/76561198335791307#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198966838493#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198020673987#!/compare/1586044800/1586131200

untrace

sale 3:

https://backpack.tf/profiles/76561198020673987#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198337734785#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198400492976#!/compare/1586649600/1586736000

untrace

sale 4:

https://backpack.tf/profiles/76561198400492976#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198173363379#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198845731751#!/compare/1586908800/1586995200

https://backpack.tf/profiles/76561198081793950#!/compare/1586390400/1586995200

https://backpack.tf/profiles/76561198066570624#!/compare/1586044800/1586995200

Untrace

Sale 5:

https://backpack.tf/profiles/76561198310287050#!/compare/1585526400/1585699200

https://backpack.tf/profiles/76561198095022965#!/compare/1585440000/1585612800

Bulk

sale 6:

https://backpack.tf/profiles/76561198405154138#!/compare/1584403200/1584489600

https://backpack.tf/profiles/76561198194619015#!/compare/1582588800/1584489600

untrace

sale 7:

https://backpack.tf/profiles/76561198434059354#!/compare/1585526400/1587254400

https://backpack.tf/profiles/76561198128029573#!/compare/1587340800/1587427200

Untrace

sale 8:

https://backpack.tf/profiles/76561198128029573#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198885102216#!/compare/1587340800/1587427200

Sold for 2.40 keys

Sale 9:

https://backpack.tf/profiles/76561198969511742#!/compare/1581552000/1581638400

https://backpack.tf/profiles/76561198340634356#!/compare/1581465600/1581552000

QS

sale 10:

https://backpack.tf/profiles/76561198340634356#!/compare/1583712000/1583884800

https://backpack.tf/profiles/76561198808130332#!/compare/1583798400/1583884800

Sold for keys

Sale 11:

https://backpack.tf/profiles/76561198808130332#!/compare/1584144000/1584230400

https://backpack.tf/profiles/76561198312670465#!/compare/1581897600/1584230400

https://backpack.tf/profiles/76561198199727085#!/compare/1584057600/1584230400

Untrace

sale 12:

https://backpack.tf/profiles/76561198199727085#!/compare/1584230400/1584403200

https://backpack.tf/profiles/76561198405154138#!/compare/1582243200/1584403200

untrace / bulk

Sale 13:

https://backpack.tf/profiles/76561198405154138#!/compare/1584403200/1584489600

https://backpack.tf/profiles/76561198194619015#!/compare/1582588800/1584489600

Untrace

Sale 14:

https://backpack.tf/profiles/76561198850274253#!/compare/1583280000/1583366400

https://backpack.tf/profiles/76561198256852059#!/compare/1583193600/1583366400

Bulk

sale 15:

https://backpack.tf/profiles/76561198256852059#!/compare/1583366400/1583452800

https://backpack.tf/profiles/76561198141931246#!/compare/1583366400/1583452800

Untrace

sale 16:

https://backpack.tf/profiles/76561198141931246#!/compare/1583366400/1583452800

https://backpack.tf/profiles/76561198102996762#!/compare/1583193600/1583452800

untrace

Sale 17:

https://backpack.tf/profiles/76561198209728928#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198020673987#!/compare/1586736000/1586822400

Untrace

sale 18:

https://backpack.tf/profiles/76561198020673987#!/compare/1586822400/1586995200

https://backpack.tf/profiles/76561198850274253#!/compare/1586908800/1586995200

Bulk

Sale 19:

https://backpack.tf/profiles/76561198986177898#!/compare/1584144000/1584230400

https://backpack.tf/profiles/76561198106784075#!/compare/1584144000/1584230400

Sold for ~2.50 keys

Sale 20:

https://backpack.tf/profiles/76561198401674342#!/compare/1580860800/1582588800

https://backpack.tf/profiles/76561198089766221#!/compare/1571270400/1585267200

Untrace

sale 21:

https://backpack.tf/profiles/76561198089766221#!/compare/1585958400/1587513600

https://backpack.tf/profiles/76561198161559120#!/compare/1585958400/1586044800

Bulk

sale 22:

https://backpack.tf/profiles/76561198350034076#!/compare/1585785600/1585785600

https://backpack.tf/profiles/76561198185749394#!/compare/1587340800/1587427200

Untrace

sale 23:

https://marketplace.tf/items/tf2/1112;5;u3010

$5.7 / $1.76 = 3.24 keys

$5.7 / $1.76 = 3.24 keys

$5.7 / $1.76 = 3.24 keys

$5.7 / $1.76 = 3.24 keys

$5 / $1.72 = 2.91 keys

$5 / $1.72 = 2.91 keys <--- https://backpack.tf/item/4554837618

$5 / $1.68 = 2.98 keys

$5 / $1.68 = 2.98 keys

$5.49 / $1.69 = 3.25 keys <--- https://backpack.tf/item/4676207839

Bot.tf:

2 @ 2.65 keys

3 @ 2.55 keys

1 @ 3 keys

3 @ 2.35 keys

1 @ 2.25 keys

Total sales @:

2.25

2.35 (x2)

2.4

2.5

2.55 (x3)

2.65 (x2)

2.9 (x2)

3 (x3)

3.25 (x5)

buyers up to ~2.4 keys,, 2 of them,

buyer at 2.35, lots of buyers at 2.3 keys.

2 sellers at 2.5 keys,

1 at 2.65 keys,

seller at 2.72 unsold for ~a month: https://bot.tf/stats/listings/4299109V (dropped by a ref but that doesn't change the amount much)

calling 2.4 low,

3.25 high,

taking 2.5 - 3 keys, conserves around oldest seller.