Sale 1-3:

https://marketplace.tf/items/tf2/1095;5;u61

$35.99 / $1.87 = 19.25 keys

$41.11 / $1.88 = 21.87 keys

$49.95 / $1.99 = 25.10 keys

Sale 4:

BP not loaded in 2 months so its gonna be impossible to trace

https://backpack.tf/profiles/76561198110124518#!/compare/1588377600/1588464000

https://backpack.tf/profiles/76561198986177898#!/compare/1588377600/1588464000

Sale 5:

19 keys

https://backpack.tf/profiles/76561198417607013#!/compare/1586736000/1586908800

https://backpack.tf/profiles/76561198062668862#!/compare/1586736000/1586822400

Sale 6:

untrace

https://backpack.tf/profiles/76561198062668862#!/compare/1588032000/1588464000

https://backpack.tf/profiles/76561198220685924#!/compare/1588377600/1588550400

Sale 7:

untrace

https://backpack.tf/profiles/76561198850274253#!/compare/1588550400/1588636800

https://backpack.tf/profiles/76561198996047364#!/compare/1588550400/1588723200

Sale 8:

15 keys + 1 key of ref

https://backpack.tf/profiles/76561198305494036#!/compare/1588723200/1588809600

https://backpack.tf/profiles/76561198996047364#!/compare/1588723200/1588809600

Sale 9:

15 keys + 34 ref

https://backpack.tf/profiles/76561198305494036#!/compare/1588809600/1588896000

https://backpack.tf/profiles/76561198202672367#!/compare/1588636800/1588896000

Sale 10:

11 keys? something missing

https://backpack.tf/profiles/76561198202672367#!/compare/1588896000/1588982400

https://backpack.tf/profiles/76561198158482500#!/compare/1588896000/1588982400

Sale 11:

Pro KS RL kit(~24 keys) + small sweets

https://backpack.tf/profiles/76561198158482500#!/compare/1589068800/1589155200

https://backpack.tf/profiles/76561198862125725#!/compare/1589155200/1589500800

Sale 12:

untrace

https://backpack.tf/profiles/76561198862125725#!/compare/1589155200/1589500800

https://backpack.tf/profiles/76561198272038643#!/compare/1589068800/1589155200

Sale 13:

using on beams pug

https://backpack.tf/profiles/76561198261047630#!/compare/1590278400/1590364800

https://backpack.tf/profiles/76561198272038643#!/compare/1590278400/1590364800

Sale 14:

even taking buyers on glove(https://imgur.com/a/5VxA4rd) this will be above 2+ week unsold: https://imgur.com/a/hZNcZsk

b/o 34 keys: https://imgur.com/a/r6mkZhP

smoking slo-poke(17) + miami glove + ~6 keys sweets

https://backpack.tf/profiles/76561198261047630#!/compare/1590364800/1590624000

https://backpack.tf/profiles/76561198101098736#!/compare/1590192000/1590364800

slo-poke: https://backpack.tf/suggestion/5f067d67079b7e6acb1bbaae

Sale 15:

untrace

https://backpack.tf/profiles/76561198842201154#!/compare/1586131200/1586563200

https://backpack.tf/profiles/76561198080179568#!/compare/1586476800/1586563200

Sale 16:

18 keys + 1 ref

https://backpack.tf/profiles/76561198080179568#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561198386195044#!/compare/1588982400/1589155200

Sale 17:

18 keys + 15 ref

https://backpack.tf/profiles/76561198386195044#!/compare/1592352000/1592524800

https://backpack.tf/profiles/76561198850274253#!/compare/1592438400/1592524800

Sale 18:

untrace

https://backpack.tf/profiles/76561198309832044#!/compare/1591315200/1591401600

https://backpack.tf/profiles/76561199043717377#!/compare/1591574400/1591660800

Sale 19-22:

https://mannco.store/item/9281

$44.99 / $1.73 = 26.00 keys

$44.99 / $1.78 = 25.28 keys

$44.99 / $1.93 = 23.31 keys

$48.00 / $1.97 = 24.37 keys // https://backpack.tf/item/4037184003

key prices: https://mannco.store/item/1

Sale 23:

untrace

https://backpack.tf/profiles/76561198337734785#!/compare/1590451200/1590537600

https://backpack.tf/profiles/76561198020439998#!/compare/1589932800/1591056000

Sale 24:

20 keys + 15 ref

https://backpack.tf/profiles/76561198337734785#!/compare/1591488000/1591574400

https://backpack.tf/profiles/76561198082007979#!/compare/1591228800/1591574400

Sale 25:

bulk

https://backpack.tf/profiles/76561198082007979#!/compare/1591574400/1591660800

https://backpack.tf/profiles/76561198972294135#!/compare/1591574400/1591660800

Sale 26:

bulk

https://backpack.tf/profiles/76561198972294135#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561199004640414#!/compare/1591574400/1591747200

Sale 27:

18 keys

https://backpack.tf/profiles/76561199004640414#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198305494036#!/compare/1592092800/1592179200

Sale 28:

18 keys + 45 ref - https://imgur.com/a/PxLazBx

https://backpack.tf/profiles/76561198305494036#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198091502579#!/compare/1592092800/1592179200

Sale 29:

untrace

https://backpack.tf/profiles/76561198850274253#!/compare/1588550400/1588636800

https://backpack.tf/profiles/76561198110720167#!/compare/1588550400/1588636800

Sale 30:

untrace

https://backpack.tf/profiles/76561198110720167#!/compare/1588550400/1588636800

https://backpack.tf/profiles/76561198964919488#!/compare/1588550400/1588636800

Sale 31:

untrace

https://backpack.tf/profiles/76561198964919488#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561198827124516#!/compare/1588982400/1589068800

Sale 32:

18 keys

https://backpack.tf/profiles/76561198827124516#!/compare/1589068800/1589155200

https://backpack.tf/profiles/76561198272038643#!/compare/1589068800/1589155200

Sale 33:

using there

b/o 44 keys: https://imgur.com/a/MMQ1Ycp

Bubbling CotOK + 5 keys

https://backpack.tf/profiles/76561198272038643#!/compare/1589068800/1589155200

https://backpack.tf/profiles/76561198805856129#!/compare/1589155200/1589241600

Sale 34:

bulk

https://backpack.tf/profiles/76561198805856129#!/compare/1589328000/1589500800

https://backpack.tf/profiles/76561198125791160#!/compare/1589241600/1589328000

just gamble and QS: https://backpack.tf/item/7956961446

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

Sales:

16,16,18,18,18,19,19,19,20,22,23,24,24,25,25,26

Buyers/Sellers: https://imgur.com/a/7RtgRMr

buyers at 18.2 keys