Sale 1:

https://backpack.tf/profiles/76561198110641656#!/compare/1562976000/1563062400

https://backpack.tf/profiles/76561198093151023#!/compare/1562803200/1563321600

Bulk

Sale 2:

https://backpack.tf/profiles/76561198178372977#!/compare/1563580800/1563667200

https://backpack.tf/profiles/76561198349181069#!/compare/1563148800/1563667200

Sold for 3.05 keys

Sale 3:

https://backpack.tf/profiles/76561198349181069#!/compare/1563148800/1563667200

https://backpack.tf/profiles/76561198334598690#!/compare/1563580800/1563667200

Sold for 3.35 keys

Sale 4:

https://backpack.tf/profiles/76561198164823702#!/compare/1563580800/1566777600

https://backpack.tf/profiles/76561198087462179#!/compare/1566432000/1566604800

SCM

Sale 7:

https://backpack.tf/profiles/76561198017954131#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198129552058#!/compare/1566518400/1566604800

Bulk QS

sale 8:

https://backpack.tf/profiles/76561198340634356#!/compare/1561766400/1561852800

https://backpack.tf/profiles/76561198849394381#!/compare/1561680000/1561852800

Sold for 4 keys

Sale 9:

https://backpack.tf/profiles/76561198267189538#!/compare/1562112000/1562198400

https://backpack.tf/profiles/76561198080179568#!/compare/1562112000/1562198400

QS

Sale 10:

https://backpack.tf/profiles/76561198080179568#!/compare/1562198400/1562284800

https://backpack.tf/profiles/76561198214027089#!/compare/1558396800/1564617600

Keys(?)

Sale 11:

https://backpack.tf/profiles/76561198037782799#!/compare/1566086400/1566172800'

https://backpack.tf/profiles/76561198100225630#!/compare/1566000000/1566172800

https://backpack.tf/profiles/76561198974277313#!/compare/1566086400/1566172800

Untrace

Sale 12:

https://backpack.tf/profiles/76561198453530349#!/compare/1563840000/1563926400

https://backpack.tf/profiles/76561198080179568#!/compare/1563840000/1563926400

Not unusual, then QS

Sale 13:

https://backpack.tf/profiles/76561198080179568#!/compare/1563926400/1564012800

https://backpack.tf/profiles/76561198333542741#!/compare/1564272000/1564444800

Untrace

Sale 14:

https://backpack.tf/profiles/76561198333542741#!/compare/1565222400/1565654400

https://backpack.tf/profiles/76561198259772458#!/compare/1566172800/1566259200

Untrace

Sale 15:

https://backpack.tf/profiles/76561198259772458#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198357093059#!/compare/1566432000/1566518400

Sold for 3.25 keys

Sale 16:

https://backpack.tf/profiles/76561198357093059#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198340634356#!/compare/1566432000/1566518400

Untrace

Sale 17:

https://backpack.tf/profiles/76561198870836109#!/compare/1563062400/1563148800

https://backpack.tf/profiles/76561198138328639#!/compare/1563062400/1563148800

Sold for ~3 keys

Sale 18:

https://backpack.tf/profiles/76561198129334953#!/compare/1559952000/1560124800

https://backpack.tf/profiles/76561198402822072#!/compare/1559952000/1560211200

Can't accurately tell, but can guess it sold for at least 3 keys

Sale 19:

https://backpack.tf/profiles/76561198402822072#!/compare/1567036800/1567728000

https://backpack.tf/profiles/76561198335791307#!/compare/1566950400/1567036800

QS

Sale 20:

https://backpack.tf/profiles/76561198340634356#!/compare/1562198400/1562284800

https://backpack.tf/profiles/76561198411392321#!/compare/1562198400/1562284800

Solds for 4 keys

Sale 21:

https://backpack.tf/profiles/76561198411392321#!/compare/1563667200/1563753600

https://backpack.tf/profiles/76561198055622215#!/compare/1563667200/1563753600

Bulk

Sale 22:

https://backpack.tf/profiles/76561198137349289#!/compare/1560384000/1561939200

https://backpack.tf/profiles/76561198401931612#!/compare/1562112000/1564963200

https://backpack.tf/profiles/76561198280019108#!/compare/1562889600/1563321600

Untrace

Sale 23:

https://backpack.tf/profiles/76561198094411177#!/compare/1563494400/1566259200

https://backpack.tf/profiles/76561198340634356#!/compare/1566259200/1566432000

QS?

Sale 24:

https://backpack.tf/profiles/76561198066448774#!/compare/1560902400/1562284800

https://backpack.tf/profiles/76561198061868800#!/compare/1563840000/1564272000

SCM

Sale 25:

https://backpack.tf/profiles/76561198061868800#!/compare/1564272000/1564444800

https://backpack.tf/profiles/76561198043662502#!/compare/1564444800/1564531200

https://backpack.tf/profiles/76561198363395191#!/compare/1564704000/1564790400

Untrace

Sale 26:

https://backpack.tf/profiles/76561198363395191#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198022933439#!/compare/1559865600/1565481600

SCM

Sale 27:

https://backpack.tf/profiles/76561198218857377#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198964415313#!/compare/1559952000/1561420800

https://backpack.tf/profiles/76561198398433225#!/compare/1542067200/1559952000

https://backpack.tf/profiles/76561198269347986#!/compare/1559692800/1560038400

https://backpack.tf/profiles/76561198021807249#!/compare/1559952000/1560038400

https://backpack.tf/profiles/76561198287198615#!/compare/1560038400/1560124800

https://backpack.tf/profiles/76561198021807249#!/compare/1559952000/1560038400

https://backpack.tf/profiles/76561198021807249#!/compare/1560124800/1560211200

https://backpack.tf/profiles/76561198215813163#!/compare/1560124800/1560211200

https://backpack.tf/profiles/76561198240537922#!/compare/1560038400/1560211200

https://backpack.tf/profiles/76561198880384227#!/compare/1559692800/1560470400

Gambling(?)

Sale 28 - 41:

https://marketplace.tf/items/tf2/30673;5;u3010

$5.56 / $1.81 = 3.07 keys

$5.6 / $1.84 = 3.04 keys

$7.65 / $1.84 = 4.16 keys <-- https://backpack.tf/item/6496549645

$7.65 / $1.85 = 4.14 keys

$7.65 / $1.83 = 4.18 keys

$7.65 / $1.83 = 4.18 keys

$7.65 / $1.82 = 4.20 keys <-- https://backpack.tf/item/4529170914

$5.61 / $1.83 = 3.07 keys

$7.84 / $1.80 = 4.36 keys

$5.33 / $1.83 = 2.91 keys

$7.84 / $1.84 = 4.26 keys <-- https://backpack.tf/item/4529170914

$7.75 / $1.82 = 4.26 keys

Bot.tf:

https://bot.tf/stats/item?def=30673&q=5&ef=Mega%20Strike&craft=1&aus=0&ks=0&source=browser_script

https://i.imgur.com/AuSXvRg.png

3 sales @ 4 keys,

3 sales @ 3.35 keys,

3 sales @ 3.45 keys,

Total sales @:

2.9

3

3.05 (x4)

3.25

3.35 (x4)

3.45 (x3)

4 (x5)

4.15 (x2)

4.2 (x4)

4.25 (x2)

4.35

Seller at 3.36 is young,

aging sellers at ~3.7 keys,

Buyers up to 2.7 keys,

gonna take a wider range of 3.05 - 4.25,

encompasses most sales, conserves around aging unsolds.