resuggest: https://backpack.tf/suggestion/5f0fb2b5bfa11e530f00a18f

Sale 1-11:

https://marketplace.tf/items/tf2/31091;5;u145

$88 / $1.79 = 49.16 keys

$79.99 / $1.80 = 44.44 keys

$55.56 / $1.79 = 31.04 keys

$83.89 / $1.81 = 46.35 keys

$77.43 / $1.89 = 40.97 keys

$78.99 / $1.88 = 42.02 keys

$78.99 / $1.92 = 41.14 keys

$47.02 / $2.03 = 23.16 keys // less than $1 from buy order price, excluding (https://imgur.com/a/fYykSfH)

$47.33 / $2.00 = 23.66 keys // $1 from buy order price, excluding (https://imgur.com/a/fYykSfH)

$46.19 / $2.00 = 23.09 keys // buy order price, excluding (https://imgur.com/a/fYykSfH)

$64.99 / $1.92 = 33.85 keys

https://backpack.tf/item/8339817239

https://backpack.tf/item/8383586855

tradeback - https://backpack.tf/item/8613102037

scrap - https://backpack.tf/item/8724167869

Sale 12:

untrace

https://backpack.tf/profiles/76561198019141379#!/compare/1589932800/1590019200

https://backpack.tf/profiles/76561198188465794#!/compare/1589760000/1590019200

Sale 13:

8 keys? probs something missing

https://backpack.tf/profiles/76561198027526890#!/compare/1591747200/1592006400

https://backpack.tf/profiles/76561198341171690#!/compare/1591833600/1591920000

Sale 14:

untrace

https://backpack.tf/profiles/76561198061316177#!/compare/1589155200/1590969600

https://backpack.tf/profiles/76561198341171690#!/compare/1590883200/1590969600

Sale 15:

SCM

https://backpack.tf/profiles/76561198256234202#!/compare/1589760000/1589932800

https://backpack.tf/profiles/76561197964546925#!/compare/1590192000/1590278400

Sale 16:

Blizzardy Storm Executioner (22 keys)

https://backpack.tf/profiles/76561198096274607#!/compare/1592956800/1593129600

https://backpack.tf/profiles/76561198040356251#!/compare/1592784000/1594598400

executioner: https://backpack.tf/suggestion/5f0c933c334fe33da759ccfc

Sale 17:

untrace

https://backpack.tf/profiles/76561198104206132#!/compare/1589241600/1592006400

https://backpack.tf/profiles/76561198153962218#!/compare/1591920000/1592006400

Sale 18:

untrace, mp maybe

https://backpack.tf/profiles/76561198153962218#!/compare/1592870400/1593216000

https://backpack.tf/profiles/76561198176125115#!/compare/1594425600/1594512000

Sale 19:

untrace

https://backpack.tf/profiles/76561198062017881#!/compare/1593561600/1593648000

https://backpack.tf/profiles/76561197972349641#!/compare/1593129600/1593648000

Sale 20:

untrace

https://backpack.tf/profiles/76561197972349641#!/compare/1593648000/1593993600

https://backpack.tf/profiles/76561198259795031#!/compare/1593129600/1593993600

Sale 21:

Ethereal Essence Sky High Fly Guy(35)

https://backpack.tf/profiles/76561198259795031#!/compare/1593993600/1594684800

https://backpack.tf/profiles/76561198153496203#!/compare/1594598400/1594684800

fly guy: https://backpack.tf/suggestion/5f0e6baaf4412e20722f358e

Sale 22:

bulk for keys

https://backpack.tf/profiles/76561198103357973#!/compare/1589932800/1592870400

https://backpack.tf/profiles/76561198162806285#!/compare/1592697600/1592784000

Sale 23:

some amount of keys, likely QS

https://backpack.tf/profiles/76561198162806285#!/compare/1592697600/1592784000

https://backpack.tf/profiles/76561198317651933#!/compare/1592697600/1592784000

Sale 24:

23 keys - sold in 1 day, 2 keys from current buyers, excluding as QS

https://backpack.tf/profiles/76561198317651933#!/compare/1592784000/1592870400

https://backpack.tf/profiles/76561198056327660#!/compare/1592870400/1592956800

Sale 25:

stormy belt(47) + 1 key

https://backpack.tf/profiles/76561198170143095#!/compare/1587600000/1588291200

https://backpack.tf/profiles/76561198306872661#!/compare/1588204800/1588291200

belt: https://backpack.tf/suggestion/5f0cc24d96ffa6164454b73f

Sale 26:

DBD Whirly Warrior(31)

https://backpack.tf/profiles/76561198306872661#!/compare/1588291200/1588377600

https://backpack.tf/profiles/76561198107839402#!/compare/1588204800/1588377600

whirly: https://backpack.tf/suggestion/5f0628670176af16ca6bbea3

Sale 27:

28 keys - this was under buy orders at the time of sale: https://imgur.com/a/ksY0FBp therefore excluding as QS

https://backpack.tf/profiles/76561198107839402#!/compare/1588377600/1588550400

https://backpack.tf/profiles/76561198026896051#!/compare/1588377600/1588464000

Sale 28:

Fragmented Gluons Bomb Beanie (25)

https://backpack.tf/profiles/76561198214685223#!/compare/1587168000/1588636800

https://backpack.tf/profiles/76561198254620348#!/compare/1586649600/1587168000

beanie: https://backpack.tf/suggestion/5eacf2fee2c26c19ad03bb6e

Sale 29:

30 keys + small sweet

https://backpack.tf/profiles/76561198254620348#!/compare/1587168000/1587254400

https://backpack.tf/profiles/76561198031126990#!/compare/1587254400/1587340800

Sale 30:

untrace

https://backpack.tf/profiles/76561198031126990#!/compare/1590796800/1590969600

https://backpack.tf/profiles/76561198042803042#!/compare/1583625600/1590969600

Sale 31:

(not confirmed)

https://backpack.tf/profiles/76561198153496203

listed for 25 keys: https://imgur.com/a/Tzncw2L

has 19 keys in un0loaded BP: https://imgur.com/a/USKozuk

now has 44 keys in steam inv: https://imgur.com/a/z81UbSo + https://imgur.com/a/Ru1pwBy + https://imgur.com/a/4pBkK1w

44-19 = 25

=================================================================

Sales:

22,25,(25?),30,31,31,34,35,41,41,42,44,46,48,49

excluded sales: 23,23,23,24,28

https://imgur.com/a/0jLCyrO

buyer at 21 so excluding sale at 22

unsold at 36 for ~1 month: https://imgur.com/a/6VzNodp https://backpack.tf/item/8845704710 therefore excluding sales >36

(seller at 25 no longer has the item, bp not loading)

=================================================================

Xergoyf :

New sales:

https://marketplace.tf/items/tf2/31091;5;u145

$68 / $1.97 = 34.52 keys - b/o of 29 https://bot.tf/stats/listings/4J9E39G9

$68 / $1.97 = 34.52 keys - b/o of 29 https://bot.tf/stats/listings/4J9E39G9

$44.95 / $1.94 = 23.17 keys

$55.69 / $1.93 = 28.85 keys

$42 / $1.92 = 21.88 keys

$43.33 / $1.92 = 22.57 keys

$53.5 / $1.86 = 28.76 keys - this was mine, my b/o was 33.

$53.5 / $1.90 = 28.16 keys

https://imgur.com/a/pYQmzKw - untrace sale @ 32

https://imgur.com/a/E45ZMoI - sold another for 25 pure

mp buy orders have dropped to ~$30 now.

Taking last two months, we have sales at:

20 (x2) - my two buy order purchases.

22 (x2)

23 (x5)

24

25 (x2)

28

29 (x3)

32

34

35

22 - 29 seems like the best range here, 34/35 occured with sellers around the 30 mark as well.