https://backpack.tf/profiles/76561198077375926#!/compare/1630540800/1630713600

https://backpack.tf/profiles/76561198064658655#!/compare/1630454400/1630540800

18 keys

https://marketplace.tf/items/tf2/31200;5;u57

https://backpack.tf/item/10533076440

$39.99 / $1.83 = 21.85 keys

https://backpack.tf/profiles/76561198128631012#!/compare/1632700800/1632787200

https://backpack.tf/profiles/76561198280659041#!/compare/1624492800/1632787200

20 keys

https://backpack.tf/profiles/76561199000542205#!/compare/1635984000/1636416000

https://backpack.tf/profiles/76561198850121720#!/compare/1635897600/1635984000

~14 keys

https://backpack.tf/profiles/76561198850121720#!/compare/1636329600/1636416000

https://backpack.tf/profiles/76561198064658655#!/compare/1636329600/1636416000

https://gyazo.com/c15271c4e1826b9e1cce85b8e4a2603a

~18 keys

https://backpack.tf/profiles/76561198236555684#!/compare/1630713600/1635120000

https://backpack.tf/profiles/76561198850274253#!/compare/1635033600/1635120000

Untraceable

https://backpack.tf/profiles/76561198850274253#!/compare/1635465600/1635552000

https://backpack.tf/profiles/76561198809836021#!/compare/1635465600/1635552000

Untraceable

https://backpack.tf/profiles/76561198389852292#!/compare/1630800000/1630972800

https://backpack.tf/profiles/76561198994742089#!/compare/1630713600/1630886400

Untraceable

https://backpack.tf/profiles/76561198994742089#!/compare/1630713600/1630886400

https://backpack.tf/profiles/76561198311498888#!/compare/1630800000/1630886400

Untraceable

https://backpack.tf/profiles/76561198311498888#!/compare/1630972800/1631059200

https://backpack.tf/profiles/76561198332390089#!/compare/1630972800/1631059200

21 keys

https://backpack.tf/profiles/76561198332390089#!/compare/1631750400/1631836800

https://backpack.tf/profiles/76561198133567407#!/compare/1631318400/1632009600

Untraceable

https://backpack.tf/profiles/76561198133567407#!/compare/1633910400/1634947200

https://backpack.tf/profiles/76561198311498888#!/compare/1633824000/1633910400

Untraceable

All of these gladiator stats/next 3 trades are this item history

https://gladiator.tf/sales?item=Terror-Watt%20Thousand-Yard%20Stare&at=2021-11-09T23:02:38.410Z

https://backpack.tf/item/10455777352

tradebacks

https://backpack.tf/profiles/76561199102199351#!/compare/1634428800/1634515200

https://backpack.tf/profiles/76561197986313552#!/compare/1634342400/1634515200

Sold by bot once for ~15 keys mixed visible, sale is 18 or 20 keys

https://backpack.tf/profiles/76561197986313552#!/compare/1635379200/1635465600

https://backpack.tf/profiles/76561199102199351#!/compare/1635379200/1635465600

Sold back to bot for 14 keys

https://backpack.tf/profiles/76561199102199351#!/compare/1635897600/1635984000

https://backpack.tf/profiles/76561198289534456#!/compare/1635033600/1635984000

~12 keys visible, sale is 18 or 20 keys

Sales

14

14

18

18

18

18

20

20

21

22

14 looks lower than everything else

Going with 18-22 keys