https://marketplace.tf/items/1118;5;u3008

February 4 - $20.59 / 1.81 = 11.3 keys

March 8 - $14.00, this is buy order price

March 24 - $16.80 / 1.80 = 9.3 keys

April 22 - $19.05 / 1.79 = 10.6 keys

https://bot.tf/stats/item?def=1118&q=5&ef=Midnight+Whirlwind&craft=1&aus=0&ks=0

https://i.imgur.com/KQIDsSm.png

bot.tf

There are no bot sales, but bots have bought this for 9.5 and 10 keys. Currently, classified buyers are at 8 and 9 keys.

https://backpack.tf/profiles/76561198841279602#!/compare/1555718400/1556323200

https://backpack.tf/profiles/76561198399033192#!/compare/1555372800/1556755200

I don't know

bots currently struggling with 10-12 keys

https://backpack.tf/item/6361730558 11 keys 3 months

https://backpack.tf/item/7594843355 10 keys 1 day ehhhhhhhhh

https://backpack.tf/item/3378499978 12 keys like 2 weeks

https://backpack.tf/item/3690242389 12 keys like 2-3 months

https://backpack.tf/item/2857022064 15 keys 1 year?

https://backpack.tf/profiles/76561198160927249#!/compare/1549670400/1554508800

https://backpack.tf/profiles/76561198076909106#!/compare/1553990400/1554508800

I don't know

Going with 9.5 to 10.5 keys on this...