Sale 1:

https://backpack.tf/item/6253176808

https://backpack.tf/profiles/76561198067881589#!/compare/1583107200/1583452800

not unusual before this compare.

sale 2:

https://backpack.tf/profiles/76561198301314711#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198170410718#!/compare/1587340800/1587427200

Bulk

sale 3:

https://backpack.tf/profiles/76561198170410718#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198035164910#!/compare/1587254400/1587427200

Untrace

sale 4:

https://backpack.tf/profiles/76561198035164910#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198208785652#!/compare/1548460800/1587513600

Sold for 3.60 keys

sale 5:

https://backpack.tf/profiles/76561198114802367#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198070026001#!/compare/1582329600/1582416000

Untrace

sale 6:

https://backpack.tf/profiles/76561198070026001#!/compare/1582848000/1582934400

https://backpack.tf/profiles/76561198315210497#!/compare/1583020800/1583107200

sold for ~2.25 keys

sale 7:

https://backpack.tf/profiles/76561198315210497#!/compare/1583366400/1583452800

https://backpack.tf/profiles/76561198026462419#!/compare/1583280000/1583539200

Sold for 5 keys

Sale 8:

https://backpack.tf/profiles/76561198335791307#!/compare/1580428800/1580515200

https://backpack.tf/profiles/76561198254023994#!/compare/1579737600/1580601600

Keys

sale 9:

https://backpack.tf/profiles/76561198254023994#!/compare/1580601600/1581206400

https://backpack.tf/profiles/76561198084406120#!/compare/1580860800/1580947200

Sold for ~3.35 keys

Sale 10:

https://backpack.tf/profiles/76561198032596811#!/compare/1581724800/1585699200

https://backpack.tf/profiles/76561198886946413#!/compare/1582502400/1587686400

Untrace

sale 11:

https://marketplace.tf/items/tf2/1183;5;u3010

$8 / $1.77 = 4.52 keys

$5.61 / $1.69 = 3.32 keys

$5.6 / $1.77 = 3.16 keys

$6.93 / $1.79 = 3.87 keys

$6.93 / $1.79 = 3.87 keys

$6.93 / $1.80 = 3.85 keys <--- https://backpack.tf/item/6303661440

Total sales @:

2.25, 3.15, 3.30, 3.35, 3.60, 3.85, 3.85, 3.85, 4.50, 5 keys

buyers up to 2.7 keys,

sellers down to 4 keys,

calling 4.5 high,

2.25 low,

taking 3.15 - 3.85 keys