Month 1 https://gladiator.tf/sales?item=Midnight%20Whirlwind%20Taunt:%20Yeti%20Punch&at=2022-05-21T21:57:59.187Z

1 @ 3 keys 10.77 ref

1 @ 3 keys 15.55 ref

3 @ 3 keys 15.22 ref

1 @ 3 keys 42 ref

1 @ 3 keys 47.55 ref

Month 2 https://gladiator.tf/sales?item=Midnight%20Whirlwind%20Taunt:%20Yeti%20Punch&at=2022-04-21T21:57:59.187Z

1 @ 3 keys 6.77 ref

1 @ 3 keys 9.33 ref

2 @ 3 keys 10.44 ref

1 @ 3 keys 10.88 ref

1 @ 3 keys 14.55 ref

1 @ 3 keys 20.33 ref

Month 3 https://gladiator.tf/sales?item=Midnight%20Whirlwind%20Taunt:%20Yeti%20Punch&at=2022-03-21T21:57:59.187Z

1 @ 3 keys 16 ref

1 @ 3 keys 16.11 ref

1 @ 3 keys 21.33 ref

1 @ 3 keys 45 ref

https://marketplace.tf/items/tf2/1182;5;u3008

$7.17 / $1.74 = 4.12 keys

$7.17 / $1.79 = 4.01 keys

https://mannco.store/item/440-midnight-whirlwind-unusual-taunt-yeti-punch

$6.99 / $1.61 = 4.34 keys

https://backpack.tf/item/9397735974

https://gladiator.tf/listings/62341c48c9963f3724ca5e5c

~3.3 keys

https://backpack.tf/item/11290401471

https://backpack.tf/profiles/76561198160957163#!/compare/1651708800/1651795200

https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Yeti%20Punch

SCM, May 5/6, ~3-3.7 keys

https://gladiator.tf/time-machine?item=Midnight%20Whirlwind%20Taunt:%20Yeti%20Punch&at=2022-05-13T06:25:03.000Z

~3.15 keys

Classies: https://gladiator.tf/time-machine?item=Midnight+Whirlwind+Taunt%3A+Yeti+Punch&at=2022-05-21T21%3A59%3A00.000Z

3.25 - 3.7 keys.