Bubbling Antarctic Eyewear

Selling:

None

Sale 1:

https://marketplace.tf/items/tf2/30977;5;u34

https://backpack.tf/item/7487686994

$28 / $1.78 = 15.73 keys

X = 16

Sales 2 - 6:

https://bot.tf/stats/item?def=30977&q=5&ef=Bubbling&craft=1&aus=0&ks=0

https://backpack.tf/suggestion/5d2108f1d38172385729a180 - keys were ~54 ref at time of these sales; so round down

Sold for 11 keys 24 ref twice

Purchased for 10 keys 24 ref 3 times

X = 11 (x2), 10 (x3, 3 qs)

Sale 7:

https://backpack.tf/profiles/76561198081746597#!/compare/1565308800/1565481600

Sold for 9 keys

X = 9

Sale 8:

https://backpack.tf/profiles/76561198416395887#!/compare/1565395200/1565481600

Sold for 10 keys and probably? 1 key in ref or sweets (histories don’t match)

X = 10 or 11

Sale 9:

https://backpack.tf/profiles/76561198038311292#!/compare/1564876800/1564963200

Sold for 10 keys (1 day)

X = 10 (qs)

Sale 10:

https://backpack.tf/profiles/76561198055099506#!/compare/1565222400/1565308800

Flies Bonk + ~1 in adds

Better used there, plenty of sales here.

Sale 11:

https://backpack.tf/profiles/76561198170045102#!/compare/1565395200/1565481600

Sold for 10 keys (1 day)

X = 10 (qs)

Sale 12:

https://backpack.tf/profiles/76561198170045102#!/compare/1565654400/1565740800

Sold for 11 keys

X = 11

Sales at:

9

10 (x5)

11 (x3)

+ 1 more that's either 10 or 11

16

Summary:

10 quicksold more often than not, but its a very common trading point. Calling 9 low and 16 high, for 1 outlier on each end + a clean range w/ the common trading points.

Final Price: 10 - 11 keys