Sale 1:

https://backpack.tf/profiles/76561198289040457#!/compare/1544745600/1544832000

https://backpack.tf/profiles/76561198002757046#!/compare/1544745600/1544832000

QS

Sale 2:

https://backpack.tf/profiles/76561198002757046#!/compare/1548028800/1548115200

https://backpack.tf/profiles/76561198087362475#!/compare/1548028800/1548115200

Sold for ~5.5 keys

Sale 3:

https://backpack.tf/profiles/76561198414146062#!/compare/1545696000/1550534400

https://backpack.tf/profiles/76561198859831986#!/compare/1548979200/1549152000

SCM

Sale 4:

https://backpack.tf/profiles/76561198830958496#!/compare/1546905600/1546992000

https://backpack.tf/profiles/76561198044684270#!/compare/1546905600/1546992000

QS

Sale 5:

https://backpack.tf/profiles/76561198044684270#!/compare/1546992000/1547078400

https://backpack.tf/profiles/76561198263791968#!/compare/1546992000/1547251200

Bulk? untrace

Sale 6:

https://backpack.tf/profiles/76561198798436067#!/compare/1546646400/1547251200

https://backpack.tf/profiles/76561198056675090#!/compare/1547769600/1550707200

SCM

Sale 7:

https://backpack.tf/profiles/76561198309716916#!/compare/1550534400/1552089600

https://backpack.tf/profiles/76561198346116536#!/compare/1538006400/1550880000

Bulk

Sale 8:

https://backpack.tf/profiles/76561198346116536#!/compare/1538006400/1550880000

https://backpack.tf/profiles/76561198287043215#!/compare/1548892800/1551744000

Untrace

Sale 9:

https://backpack.tf/profiles/76561198129924121#!/compare/1545696000/1548115200

https://backpack.tf/profiles/76561198397869401#!/compare/1523664000/1546041600

SCM

Sale 10:

https://backpack.tf/profiles/76561198078144492#!/compare/1546128000/1546560000

https://backpack.tf/profiles/76561198139739327#!/compare/1546300800/1546387200

SCM

Sale 11:

https://backpack.tf/profiles/76561198139739327#!/compare/1547164800/1547251200

https://backpack.tf/profiles/76561198041534812#!/compare/1548892800/1549756800

SCM?

Sale 12:

https://backpack.tf/profiles/76561198115366166#!/compare/1547769600/1547856000

https://backpack.tf/profiles/76561198340634356#!/compare/1547769600/1547856000

QS

Sale 13:

https://backpack.tf/profiles/76561198340634356#!/compare/1548979200/1549065600

https://backpack.tf/profiles/76561198127045035#!/compare/1549065600/1549152000

Keys

Sale 14:

https://backpack.tf/profiles/76561198127045035#!/compare/1550016000/1550102400

https://backpack.tf/profiles/76561198849471285#!/compare/1550016000/1550102400

Sold for Ms Square Dance

End up high

Sale 15:

https://backpack.tf/profiles/76561198849471285#!/compare/1550275200/1550361600

https://backpack.tf/profiles/76561198305676157#!/compare/1550275200/1550361600

QS

Sale 16:

https://backpack.tf/profiles/76561198305676157#!/compare/1550880000/1550966400

https://backpack.tf/profiles/76561198118248399#!/compare/1550707200/1550966400

Sold for 5 keys

Sale 17:

https://backpack.tf/profiles/76561198363395191#!/compare/1546560000/1546646400

https://backpack.tf/profiles/76561198132072336#!/compare/1546560000/1546646400

Sold for ~4.5 keys

Sale 18:

https://backpack.tf/profiles/76561198132072336#!/compare/1547251200/1547337600

https://backpack.tf/profiles/76561198312583107#!/compare/1547251200/1547337600

Sold for 4 keys

Sale 19:

https://backpack.tf/profiles/76561198312583107#!/compare/1547683200/1547769600

https://backpack.tf/profiles/76561198340634356#!/compare/1547596800/1547683200

Bulk

Sale 20:

https://backpack.tf/profiles/76561198340634356#!/compare/1547769600/1547856000

https://backpack.tf/profiles/76561198170077906#!/compare/1547164800/1548633600

Untrace

Sale 21:

https://backpack.tf/profiles/76561198335791307#!/compare/1549584000/1549670400

https://backpack.tf/profiles/76561198312382098#!/compare/1549670400/1549756800

Sold for ~5.5 keys

Sale 22:

https://backpack.tf/profiles/76561198312382098#!/compare/1549756800/1550016000

QS to bot

Sale 23:

https://backpack.tf/profiles/76561198340634356#!/compare/1551398400/1551484800

https://backpack.tf/profiles/76561198200448886#!/compare/1551398400/1551484800

Keys? can only trace 3

Sale 24:

https://backpack.tf/profiles/76561198119349905#!/compare/1542931200/1546992000

SCM

Sale 25:

https://backpack.tf/profiles/76561198119349905#!/compare/1546992000/1547510400

https://backpack.tf/profiles/76561198327300687#!/compare/1547769600/1551484800

Untrace

Sale 26:

https://backpack.tf/profiles/76561198312583107#!/compare/1545004800/1545091200

https://backpack.tf/profiles/76561198810624187#!/compare/1544918400/1545436800

SCM

Sale 27:

https://backpack.tf/profiles/76561197990888101#!/compare/1546041600/1546128000

https://backpack.tf/profiles/76561198070652981#!/compare/1546041600/1546128000

Keys?

Sale 28:

https://backpack.tf/profiles/76561198070652981#!/compare/1546214400/1546300800

https://backpack.tf/profiles/76561198316081116#!/compare/1546214400/1546300800

Sold for 5 keys

Sale 29:

https://backpack.tf/profiles/76561198235847978#!/compare/1546819200/1546992000

https://backpack.tf/profiles/76561198063978488#!/compare/1546300800/1548115200

SCM

Sale 30:

https://backpack.tf/profiles/76561198038816671#!/compare/1550534400/1550707200

https://backpack.tf/profiles/76561198336975587#!/compare/1549152000/1550966400

SCM

Sale 31:

https://backpack.tf/profiles/76561198064629474#!/compare/1546214400/1546300800

https://backpack.tf/profiles/76561198210756877#!/compare/1546128000/1546214400

SCM

Sale 32:

https://backpack.tf/profiles/76561198210756877#!/compare/1548979200/1549065600'

https://backpack.tf/profiles/76561198199474657#!/compare/1549065600/1549411200

Something involving the HFOHA

Sale 33:

https://backpack.tf/profiles/76561198122292103#!/compare/1546300800/1546992000

https://backpack.tf/profiles/76561198109135657#!/compare/1549756800/1550188800

SCM

Sale 34:

https://backpack.tf/profiles/76561198109135657#!/compare/1551744000/1551916800

https://backpack.tf/profiles/76561198088639894#!/compare/1551484800/1551744000

Bulky

Sale 35:

https://backpack.tf/profiles/76561198088639894#!/compare/1551744000/1551916800

https://backpack.tf/profiles/76561198363395191#!/compare/1551657600/1551744000

QS

Sale 36:

https://backpack.tf/profiles/76561198292156436#!/compare/1544486400/1544572800

https://backpack.tf/profiles/76561198334598690#!/compare/1544400000/1544486400

Sold for ~5.5 keys

Sale 37:

https://backpack.tf/profiles/76561198334598690#!/compare/1544832000/1544918400

https://backpack.tf/profiles/76561198135474464#!/compare/1544832000/1545004800

Keys

Sale 38:

https://backpack.tf/profiles/76561198135474464#!/compare/1545177600/1545350400

https://backpack.tf/profiles/76561198312583107#!/compare/1545264000/1545350400

QS

Sale 39:

https://backpack.tf/profiles/76561198312583107#!/compare/1547596800/1547683200

https://backpack.tf/profiles/76561198340634356#!/compare/1547596800/1547683200

Bulk

Sale 40:

https://backpack.tf/profiles/76561198340634356#!/compare/1548720000/1548806400

https://backpack.tf/profiles/76561198280975775#!/compare/1548806400/1548892800

Sold for ~5 keys(Taunt was not part of sale)

Sale 41:

https://backpack.tf/profiles/76561198280975775#!/compare/1550016000/1550102400

https://backpack.tf/profiles/76561198056753644#!/compare/1491523200/1550448000

SCM

MPTF Sales:

https://marketplace.tf/items/30816;5;u3001

$8.08 / $1.7 = 4.75 keys

$11.00 / $1.81 = 6.08 keys

$11.79 / $1.76 = 6.70 keys

$11.79 / $1.76 = 6.70 keys

$11.78 / $1.75 = 6.73 keys

$10.98 / $1.75 = 6.27 keys

$10.50 / $1.75 = 6.00 keys

$11.79 / $1.75 = 6.74 keys

$10.50 / $1.8 = 5.83 keys

$12.00 / $1.8 = 6.67 keys

$13.00 / $1.8 = 7.22 keys

Buyers up to 4.7 keys,

Sellers down to 5 keys,

Literally i the only usable thing here is 5. Taking that.