bot.tf stats

https://bot.tf/stats/item?def=1116&q=5&ef=Showstopper&craft=1&aus=0&ks=0

https://imgur.com/a/K7m79vc

https://imgur.com/a/DcjtiuW

Past ~60 days

Sales :

1x 2 keys, 47.33 ref

1x 2 keys, 41.00 ref

Bought :

1x 2 keys, 25.00 ref

1x 2 keys, 24.00 ref

1x 2 keys, 30.11 ref

marketplace.tf sales

https://marketplace.tf/items/tf2/1116;5;u3001

Past 30 days

$5.2 / $1.83 = 2.84 keys

$5.1 / $1.85 = 2.76 keys

$5.88 / $1.81 = 3.25 keys

$4.2 / $1.8 = 2.33 keys

$5.88 / $1.8 = 3.27 keys

$5.88 / $1.81 = 3.25 keys

$5.88 / $1.81 = 3.25 keys

$5.88 / $1.83 = 3.21 keys

Calculator: https://manic.tf/keyprice/

- Thanks to Blaze.xTH3RM4Lx and Eazy Peazy Squeezy Lemons.