bot.tf: 30 days

https://bot.tf/stats/item?def=31104&q=6&ef=&craft=1&aus=0&ks=0&source=browser_script

https://gyazo.com/8c76e2cdd6f19461cc3a625c7c94db6d

Sales:

3 @ 3 keys, 1.11 ref - 3.02 keys

2 @ 3 keys, 9.11 ref - 3.15 keys

2 @ 2 keys, 40.77 ref - 2.66 keys

1 @ 3 keys, 35.33 ref - 3.57 keys

1 @ 3 keys, 0.11 ref - 3 keys

Buys:

8 @ 3 keys

4 @ 3 keys, 10.44 ref - 3.17 keys

1 @ 4 keys, 20.00 ref - 4.32 keys (excluded: https://gyazo.com/17713dfdc91cdc230072b342f226a6f6)

1 @ 3 keys, 8.66 ref - 3.14 keys

mp.tf: 30 days (Nov 16)

https://marketplace.tf/items/tf2/31104;6

Excluding anything >4 keys or <1.34 keys: https://gyazo.com/53bf9b83b17c8974c53e7ea200c5e90b

Nov 16: $10.99 - $10.99 / $1.76 = 6.24 keys (excluded)

Nov 17: $9 - $9 / $1.75 = 5.14 keys (excluded)

Nov 20: $6 - $6 / $1.75 = 3.43 keys

Nov 21: $1 - $1 / $1.76 = 0.57 keys (excluded)

Nov 23: $8.88 - $8.88 / $1.75 = 5.07 keys (excluded)

Nov 24: $8.88 - $8.88 / $1.76 = 5.05 keys (excluded)

Nov 27: $8.88 - $8.88 / $1.76 = 5.05 keys (excluded)

Nov 30: $15 - $15 / $1.77 = 8.47 keys (excluded)

Dec 3: $16 - $16 / $1.77 = 9.04 keys (excluded)

Dec 5: $10 - $10 / $1.76 = 5.68 keys (excluded)

Dec 9: $6.5 - $6.5 / $1.89 = 3.44 keys

Dec 10: $6.5 - $6.5 / $2.04 = 3.19 keys

Dec 11: $9.75 - $9.75 / $2.02 = 4.83 keys (excluded)

Dec 14: $9.75 - $9.75 / $2.01 = 4.85 keys (excluded)

Usable sales:

1x 2.65 keys

10x 3 keys

7x 3.15 keys

1x 3.2 keys

2x 3.45 keys

Using this as the range.