Sale 1:

https://backpack.tf/profiles/76561198390168535#!/compare/1592956800/1593302400

https://backpack.tf/profiles/76561198080179568#!/compare/1592870400/1592956800

https://backpack.tf/profiles/76561198137909800#!/compare/1591920000/1592956800

QS then bulk

sale 2:

https://backpack.tf/profiles/76561198353396915#!/compare/1592092800/1592438400

https://backpack.tf/profiles/76561198438573840#!/compare/1592352000/1592438400

Bulk

sale 3:

https://backpack.tf/profiles/76561198438573840#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198305494036#!/compare/1592438400/1592524800

QS

sale 4:

https://backpack.tf/profiles/76561198305494036#!/compare/1592611200/1592697600

https://backpack.tf/profiles/76561198092190154#!/compare/1592611200/1592697600

Sold for ~5.5 keys

sale 5:

https://backpack.tf/profiles/76561198021272428#!/compare/1588809600/1589760000

https://backpack.tf/profiles/76561198110640468#!/compare/1572134400/1589241600

SCM

sale 6:

https://backpack.tf/profiles/76561198110640468#!/compare/1592784000/1593129600

https://backpack.tf/profiles/76561198305494036#!/compare/1593043200/1593129600

QS

Sale 7:

https://backpack.tf/profiles/76561198305494036#!/compare/1593043200/1593129600

https://backpack.tf/profiles/76561198141187659#!/compare/1593043200/1593216000

Sold for ~5.5 keys

sale 8:

https://backpack.tf/profiles/76561198141187659#!/compare/1593216000/1593302400

https://backpack.tf/profiles/76561198355358626#!/compare/1593129600/1593216000

Untrace

sale 9:

https://backpack.tf/profiles/76561198341171690#!/compare/1586563200/1586649600

https://backpack.tf/profiles/76561198146477608#!/compare/1586217600/1586995200

Keys

sale 10:

https://backpack.tf/profiles/76561198146477608#!/compare/1586995200/1589241600

https://backpack.tf/profiles/76561198305494036#!/compare/1586908800/1586995200

QS

sale 11:

https://backpack.tf/profiles/76561198305494036#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198056010142#!/compare/1586995200/1587168000

untrace

sale 12:

https://backpack.tf/profiles/76561198056010142#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198080179568#!/compare/1587168000/1587254400

QS

sale 13:

https://backpack.tf/profiles/76561198080179568#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198158482500#!/compare/1589155200/1589241600

Sold for ~5.5 keys

Sale 14:

https://backpack.tf/profiles/76561198158482500#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198213272097#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198350393897#!/compare/1590105600/1590192000

Untrace, then SCM

sale 15:

https://backpack.tf/profiles/76561198350393897#!/compare/1590796800/1590883200

https://backpack.tf/profiles/76561198080179568#!/compare/1590796800/1590883200

QS

sale 16:

https://backpack.tf/profiles/76561198080179568#!/compare/1591574400/1591660800

https://backpack.tf/profiles/76561198375230689#!/compare/1591574400/1591660800

Sold for Blizzardy Sober

Sale 17:

https://backpack.tf/profiles/76561198375230689#!/compare/1592092800/1592352000

https://backpack.tf/profiles/76561198141187659#!/compare/1592265600/1592352000

untrace

Sale 18:

https://backpack.tf/profiles/76561198118157202#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198183424550#!/compare/1592352000/1592438400

Untrace

sale 19:

https://backpack.tf/profiles/76561198183424550#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198841279602#!/compare/1592352000/1592438400

QS for ~5.5 keys

sale 20:

https://backpack.tf/profiles/76561198841279602#!/compare/1592611200/1592697600

https://backpack.tf/profiles/76561198800180922#!/compare/1592697600/1593043200

Keys

sale 21:

https://backpack.tf/profiles/76561198080179568#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198401737380#!/compare/1586908800/1587600000

Sold for ~5.5 keys

sale 22:

https://backpack.tf/profiles/76561198401737380#!/compare/1588809600/1589414400

https://backpack.tf/profiles/76561198990481631#!/compare/1589673600/1589760000

https://backpack.tf/profiles/76561198074685829#!/compare/1589673600/1589760000

https://backpack.tf/profiles/76561198929111933#!/compare/1589414400/1589760000

Untrace / QS /Scammer

Sale 23:

https://backpack.tf/profiles/76561198160423200#!/compare/1591142400/1591660800

https://backpack.tf/profiles/76561198341171690#!/compare/1591574400/1591660800

Sold for ~5.5 keys (QS)

Sale 24:

https://backpack.tf/profiles/76561198341171690#!/compare/1593561600/1593648000

https://backpack.tf/profiles/76561198358778649#!/compare/1593561600/1593648000

https://backpack.tf/profiles/76561198030214998#!/compare/1593561600/1593648000

Untrace

sale 25:

https://backpack.tf/profiles/76561198850274253#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198036144976#!/compare/1586131200/1586217600

Sold for 14 keys(?)

sale 26:

https://backpack.tf/profiles/76561198036144976#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198812192050#!/compare/1576281600/1586304000

Untrace

sale 27:

https://backpack.tf/profiles/76561198410707949#!/compare/1587600000/1587686400

https://backpack.tf/profiles/76561198821375664#!/compare/1582329600/1588636800

Sold for 6 keys

sale 28:

https://marketplace.tf/items/tf2/30021;5;u56

$11.16 / $1.69 = 6.60 keys

$11.02 / $1.69 = 6.52 keys

$12 / $1.71 = 7.02 keys

$11.99 / $1.71 = 7.01 keys

$14.99 / $1.96 = 7.65 keys

$14.99 / $1.99 = 7.53 keys

$14.99 / $1.98 = 7.57 keys <--- https://backpack.tf/item/2344585199

$14.99 / $1.98 = 7.57 keys

$14.99 / $1.99 = 7.53 keys

$14.99 / $2.00 = 7.50 keys

$15 / $2.00 = 7.50 keys

$15 / $2.04 = 7.35 keys

$14.99 / $2.02 = 7.42 keys

$14.99 / $2.01 = 7.46 keys

$14.99 / $2.00 = 7.50 keys

$15.49 / $2.00 = 7.745 keys

total sales @:

5.5 (x6)

6

6.5 (x2)

7 (x2)

7.5 (x11)

8

https://i.imgur.com/aDKH253.jpg

buyers up to ~5.48 keys,

seller for 9 keys, unsold for nearly a month,

seller at 6.5 keys unsold for ~2 weeks,

taking 5.5 to 7.5 keys, conserving around unsold.