Resuggestion from https://backpack.tf/suggestion/5ff0fc644a05d3189635ad9a

https://marketplace.tf/items/tf2/324;5;u6

Nov 6 - $20 / $1.81 = 11.05 keys

Dec 11 - $19.99 / $1.85 = 10.81 keys

https://backpack.tf/item/448463596

https://backpack.tf/profiles/76561198035969198#!/compare/1608163200/1608422400

https://backpack.tf/profiles/76561199106217370#!/compare/1608336000/1608422400

2 reclaimed matches

https://backpack.tf/profiles/76561198002757046#!/compare/1601769600/1601856000

https://backpack.tf/profiles/76561198874663847#!/compare/1601769600/1601856000

untraceable

https://backpack.tf/profiles/76561198874663847#!/compare/1602201600/1602288000

https://backpack.tf/profiles/76561198985910282#!/compare/1602115200/1602201600

only .44 matches

https://backpack.tf/profiles/76561198985910282#!/compare/1602806400/1602892800

https://backpack.tf/profiles/76561198106869848#!/compare/1602806400/1602892800

7 keys and 45 refined, rounds to 8 keys

https://backpack.tf/profiles/76561198106869848#!/compare/1604102400/1604448000

https://backpack.tf/profiles/76561198084417270#!/compare/1603670400/1604361600

untraceable

https://backpack.tf/profiles/76561198272559112#!/compare/1608163200/1608336000

https://backpack.tf/profiles/76561198985910282#!/compare/1608076800/1608163200

untraceable

https://backpack.tf/profiles/76561198074924284#!/compare/1606176000/1606435200

https://backpack.tf/profiles/76561198268255329#!/compare/1606262400/1607299200

10 keys

https://backpack.tf/profiles/76561198268255329#!/compare/1606262400/1607299200

https://backpack.tf/profiles/76561198086722774#!/compare/1596240000/1607817600

untraceable

https://backpack.tf/profiles/76561198390674873#!/compare/1602028800/1602115200

https://backpack.tf/profiles/76561198139370347#!/compare/1602028800/1602115200

8 keys

https://backpack.tf/profiles/76561198139370347#!/compare/1602288000/1602374400

https://backpack.tf/profiles/76561198196083918#!/compare/1603843200/1603843200

untraceable

https://backpack.tf/profiles/76561198196083918#!/compare/1603843200/1603843200

https://backpack.tf/profiles/76561198131081286#!/compare/1604361600/1604966400

untraceable

https://backpack.tf/profiles/76561198131081286#!/compare/1607817600/1607990400

https://backpack.tf/profiles/76561198209065579#!/compare/1607644800/1607817600

terror watt whoopee cap

buyers alone are higher than sellers on this https://gyazo.com/6e71cd72238fb13e28146c2ec09a6244

https://backpack.tf/profiles/76561198209065579#!/compare/1607817600/1607904000

https://backpack.tf/profiles/76561198296809260#!/compare/1607990400/1608076800

untraceable

https://backpack.tf/profiles/76561198296809260#!/compare/1608076800/1608163200

https://backpack.tf/profiles/76561198443040110#!/compare/1608076800/1608163200

untraceable

https://backpack.tf/profiles/76561198443040110#!/compare/1607990400/1608076800

https://backpack.tf/profiles/76561198857405760#!/compare/1607990400/1608076800

untraceable

https://backpack.tf/profiles/76561198857405760#!/compare/1607990400/1608076800

https://backpack.tf/profiles/76561198254822867#!/compare/1607817600/1608076800

https://gyazo.com/3b20f6055b014068a0ab49a1808bc8b4

strange aus ambassador which is like 11 keys

https://backpack.tf/profiles/76561199106217370#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198172592975#!/compare/1611532800/1612396800

Untraceable, buyout was previously 9 keys https://gyazo.com/e0c4d0a12e8e240ad712233cfa86f85c

https://backpack.tf/profiles/76561198172592975#!/compare/1612396800/1612483200

https://backpack.tf/profiles/76561199085116273#!/compare/1612396800/1612483200

Untraceable

https://backpack.tf/profiles/76561199085116273#!/compare/1612396800/1612483200

https://backpack.tf/profiles/76561198089516781#!/compare/1571788800/1613433600

Untraceable

https://backpack.tf/profiles/76561198089516781#!/compare/1571788800/1613433600

https://backpack.tf/profiles/76561198346875595#!/compare/1613347200/1613433600

8 keys, 33.11 refined

https://backpack.tf/profiles/76561198346875595#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198252508800#!/compare/1613433600/1613520000

8 keys, 35 refined

https://backpack.tf/profiles/76561198252508800#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198147272321#!/compare/1613433600/1613520000

Untraceable

https://backpack.tf/profiles/76561198147272321#!/compare/1613779200/1613865600

https://backpack.tf/profiles/76561198131910037#!/compare/1613779200/1613865600

8 keys out of the 10 leaving the 2nd compare match

https://backpack.tf/profiles/76561199102407070#!/compare/1610323200/1610409600

https://backpack.tf/profiles/76561198151024632#!/compare/1610409600/1610496000

I want to say it's one of those 9 key stacks but histories don't match

Buyout was previously 9 keys https://gyazo.com/e0c4d0a12e8e240ad712233cfa86f85c

https://backpack.tf/profiles/76561198841279602#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198375616096#!/compare/1610582400/1611446400

Untraceable

https://backpack.tf/profiles/76561198375616096#!/compare/1611446400/1612396800

https://backpack.tf/profiles/76561198087602501#!/compare/1610841600/1612051200

Untraceable

Sales

8

8

8.5

8.5

10

11

11

11

Sellers at 9 for a while before they sold for presumably 9 keys but the sales are untraceable

Going with 8-8.5 keys off previous suggestion https://backpack.tf/suggestion/5ff0fc644a05d3189635ad9a