Sale 1:

https://backpack.tf/profiles/76561198158566988#!/compare/1584835200/1587859200

https://backpack.tf/profiles/76561198135015291#!/compare/1584316800/1584835200

Untrace

sale 2:

https://backpack.tf/profiles/76561198135015291#!/compare/1584835200/1585008000

https://backpack.tf/profiles/76561198000485231#!/compare/1584835200/1585008000

sold with 1 key for Stormy Ketche

use there

sale 3:

https://backpack.tf/profiles/76561198000485231#!/compare/1584835200/1585008000

https://backpack.tf/profiles/76561198146259385#!/compare/1584921600/1585008000

Sold with ~5 keys in sweets for Subatomic Trans(14.5)

Total is 9.5 keys

sale 4:

https://backpack.tf/profiles/76561198146259385#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198252999692#!/compare/1584921600/1585008000

Can trace ~2 keys

sale 5:

https://backpack.tf/profiles/76561198252999692#!/compare/1584921600/1585008000

https://backpack.tf/profiles/76561198127239586#!/compare/1584403200/1585008000

Can trace 5 keys

sale 6:

https://backpack.tf/profiles/76561198127239586#!/compare/1585008000/1585180800

https://backpack.tf/profiles/76561198192318630#!/compare/1584835200/1585008000

Topper or Billy, can't tell

sale 7:

https://backpack.tf/profiles/76561198192318630#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198204840520#!/compare/1584921600/1585008000

Sold with negligible sweets for 7 keys

sale 8:

https://backpack.tf/profiles/76561198204840520#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198185806553#!/compare/1583539200/1585094400

Sold for ~7 keys

sale 9:

https://backpack.tf/profiles/76561198185806553#!/compare/1583539200/1585094400

https://backpack.tf/profiles/76561198305494036#!/compare/1585008000/1585094400

QS / untrace

sale 10:

https://backpack.tf/profiles/76561198305494036#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198850274253#!/compare/1585008000/1585094400

Untrace / Bulk

sale 11:

https://backpack.tf/profiles/76561198850274253#!/compare/1587254400/1587340800

https://backpack.tf/profiles/76561198337119940#!/compare/1587340800/1587427200

Sold for ~6 keys

sale 12:

https://backpack.tf/profiles/76561198337119940#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198933874943#!/compare/1587340800/1587427200

Can trace sweets....

sale 13:

https://backpack.tf/profiles/76561198933874943#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198379767725#!/compare/1587168000/1587513600

untrace

sale 14:

https://backpack.tf/profiles/76561198379767725#!/compare/1587686400/1587859200

https://backpack.tf/profiles/76561198141923153#!/compare/1587600000/1587686400

https://backpack.tf/profiles/76561198400492976#!/compare/1587600000/1587686400

Untrace then QS

sale 15:

https://backpack.tf/profiles/76561198400492976#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198109972542#!/compare/1589155200/1589328000

Keys

sale 16:

https://backpack.tf/profiles/76561198850274253#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198207692871#!/compare/1586390400/1586476800

Sold for ~8 keys

sale 17:

https://backpack.tf/profiles/76561198207692871#!/compare/1586476800/1587081600

https://backpack.tf/profiles/76561198333986358#!/compare/1586390400/1586563200

QS

sale 18:

https://backpack.tf/profiles/76561198337734785#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198134497607#!/compare/1586131200/1586217600

Sold for ~7.5 keys

sale 19:

https://backpack.tf/profiles/76561198134497607#!/compare/1586217600/1586390400

https://backpack.tf/profiles/76561198333986358#!/compare/1586304000/1586390400

QS

sale 20:

https://marketplace.tf/items/tf2/30912;5;u58

$15.44 / $1.79 = 8.63 keys

Total sales @:

6, 7, 7, 7.5, 8, 8.5, 9.5 keys

buyers up to ~6.38 keys,

sellers at 10 keys,

calling 6 low,

9.5 high,

taking 7 - 8.5 keys