Sale 1:

https://backpack.tf/profiles/76561198379127995#!/compare/1581206400/1581292800

https://backpack.tf/profiles/76561198993631639#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198366140651#!/compare/1581292800/1581465600

Untrace then low

sale 2:

https://backpack.tf/profiles/76561198802991149#!/compare/1581811200/1581897600

https://backpack.tf/profiles/76561198172388346#!/compare/1581811200/1581897600

Sold for ~8 keys

sale 3:

https://backpack.tf/profiles/76561198172388346#!/compare/1581897600/1581984000

https://backpack.tf/profiles/76561198939623625#!/compare/1581897600/1581984000

Can trace sweets

sale 4:

https://backpack.tf/profiles/76561198939623625#!/compare/1582070400/1582243200

https://backpack.tf/profiles/76561198276558360#!/compare/1582070400/1582243200

Can trace a key

sale 5:

https://backpack.tf/profiles/76561198276558360#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198376316409#!/compare/1582156800/1582329600

Untrace

sale 6:

https://backpack.tf/profiles/76561198376316409#!/compare/1582156800/1582329600

https://backpack.tf/profiles/76561198131081286#!/compare/1582243200/1582329600

Untrace

sale 7:

https://backpack.tf/profiles/76561198131081286#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198089573892#!/compare/1582243200/1582329600

Sold for Smoking Herald + ~0.5 keys in sweets

use there

Sale 8:

https://backpack.tf/profiles/76561198089573892#!/compare/1585094400/1585353600

https://backpack.tf/profiles/76561198196410274#!/compare/1585267200/1585353600

Keys? can't trace any...

Sale 9:

https://backpack.tf/profiles/76561198196410274#!/compare/1585353600/1585440000

https://backpack.tf/profiles/76561198275554722#!/compare/1585353600/1585440000

Sold for Blizzardy Sky High + 3 keys

Sky High Mini:

https://backpack.tf/suggestion/5ea7f199ca3fa65c3907733f

Suggestion for 8.25 keys

Total is ~11 keys

sale 10:

https://backpack.tf/profiles/76561198275554722#!/compare/1585440000/1585612800

https://backpack.tf/profiles/76561198272353085#!/compare/1585440000/1585612800

Sold for Blizzardy Warming + negligible sweets

use there

sale 11:

https://backpack.tf/profiles/76561198272353085#!/compare/1585612800/1585785600

https://backpack.tf/profiles/76561198334047096#!/compare/1585699200/1585785600

sold for 9 keys

sale 12:

https://backpack.tf/profiles/76561198334047096#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198164721898#!/compare/1585699200/1585785600

Sold for 11 keys

sale 13:

https://backpack.tf/profiles/76561198164721898#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198131452826#!/compare/1585353600/1585872000

bulk

sale 14:

https://backpack.tf/profiles/76561198131452826#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198305494036#!/compare/1586304000/1586390400

QS

sale 15:

https://backpack.tf/profiles/76561198305494036#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198160856661#!/compare/1586304000/1586390400

Sold for ~7.5 keys

sale 16:

https://backpack.tf/profiles/76561198072154093#!/compare/1581379200/1581465600

https://backpack.tf/profiles/76561198072204343#!/compare/1550966400/1581811200

Untrace

sale 17:

https://backpack.tf/profiles/76561198054270952#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198809665548#!/compare/1587513600/1587600000

Sold for 11 keys

sale 18:

https://backpack.tf/profiles/76561198809665548#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198408606810#!/compare/1587772800/1587859200

Sold for Miami Scout Shako

use there

Total sales @:

7.5, 8, 9, 11, 11, 11 keys

buyers up to 7.75 keys,

seller at ~12.5 keys,

calling 8 low,

taking 9 - 11 keys.