MPTF:

https://marketplace.tf/items/9258;5;uncraftable;td-463/Taunt:%20The%20Schadenfreude%20Unusualifier

$33.32 / $1.65 = 20.19 keys

$25.00 / $1.66 = 15.06 keys

$32.00 / $1.81 = 17.68 keys

$33.33 / $1.79 = 18.62 keys

$33.99 / $1.81 = 18.78 keys

$39.00 / $1.79 = 21.79 keys

$39.95 / $1.81 = 22.07 keys

$44.99 / $1.81 = 24.86 keys

SCM:

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Mann%20Co.%20Supply%20Crate%20Key

Nov 27:

40.04 / 2.91 = 13.75 keys

Nov 30:

40.09 / 2.99 = 13.41 keys

Dec 10:

43.19 / 2.97 = 14.54 keys

Dec 25:

50.20 / 2.84 = 17.68 keys

Dec 29:

41.75 / 2.84 = 14.70 keys

Dec 30:

47.40 / 2.87 = 16.52 keys

Dec 31:

49.37 / 2.87 = 17.2 keys

Jan 1:

45.42 / 2.89 = 15.72 keys

Jan 4:

39.48 / 2.98 = 13.25 keys

Jan 5:

41.37/ 3.01 = 13.74 keys

Jan 13:

42.72 / 3.13 = 13.65 keys

Jan 14:

42.72 / 3.10 = 13.78 keys

Jan 15:

42.72 / 3.01 = 13.78 keys

Jan 23:

40.06 / 3.22 = 12.44 keys

Jan 26:

40.67 / 3.01 = 13.51 keys

Jan 28:

44.83 / 2.96 = 15.14 keys

Feb 16:

45.38 / 3.01 = 15.08 keys

Feb 21:

45.34 / 3.08 = 14.72 keys

Feb 23:

39.55 / 3.07 = 12.88 keys

Feb 25:

44.75 / 3.10 = 14.44 keys

Total rounded sales @:

12(x1)

13(x3)

14(x7)

15(x6)

16(x1)

17(x2)

18(x2)

19(x2)

20(x1)

22(x2)

25(x1)

Selers down on SCM to ~15 keys,

Gonna take 12 - 15 keys.