Mega Strike Taunt: Burstchester

Team 1 (iTrade)

Sale 1: Sold for Strange Specialized Killstreak Festive Sniper Rifle (8)

https://backpack.tf/profiles/76561198068780534#!/compare/1528848000/1528934400

Sale 2: 6 keys pure (likely sold to buy order)

https://backpack.tf/profiles/76561198288455018#!/compare/1527638400/1528329600

Sale 3: 19.66 USD; 1 key = 1.96 USD → 10 keys

https://marketplace.tf/items/30621;5;u3010

Sale 4: 20 USD; 1 key = 1.94 USD → 10 keys

https://marketplace.tf/items/30621;5;u3010

https://backpack.tf/item/4293042562

Sale 5: 22 USD; 1 key = 1.96 USD → 11 keys

https://marketplace.tf/items/30621;5;u3010

Sale 6: 6 keys pure (no quicksell)

https://backpack.tf/profiles/76561197993422884#!/compare/1528848000/1528934400

Sale 7: 8 keys 10 ref; rounding to 8

https://backpack.tf/profiles/76561197993422884#!/compare/1530403200/1530489600

https://backpack.tf/profiles/76561198251433444#!/compare/1530403200/1530489600

Sale 8: Bulk for C. Hearts Towering

https://backpack.tf/profiles/76561198105735473#!/compare/1527897600/1527984000

Sale 9: Untraceable

https://backpack.tf/profiles/76561198212379259#!/compare/1527120000/1528416000

https://backpack.tf/profiles/76561198111049983#!/compare/1527984000/1528156800

Sale 10: Untraceable

https://backpack.tf/profiles/76561198130522437#!/compare/1528070400/1528329600

Sale 11: Bulk / Cashout / Untraceable

https://backpack.tf/profiles/76561198262074442#!/compare/1529193600/1529280000

Sale 12: Untraceable

https://backpack.tf/profiles/76561198214618120#!/compare/1528502400/1531872000

https://backpack.tf/profiles/76561198120266270#!/compare/1530230400/1531267200

Sale 13: Untraceable

https://backpack.tf/profiles/76561198018516586#!/compare/1527984000/1528848000

https://backpack.tf/profiles/76561198053615827#!/compare/1527897600/1528588800

Sale 14: Untraceable

https://backpack.tf/profiles/76561198372329744#!/compare/1528588800/1528848000

Sale 15: Untraceable

https://backpack.tf/profiles/76561198261552632#!/compare/1529107200/1530921600

https://backpack.tf/profiles/76561198371363087#!/compare/1529366400/1531440000

Matured seller at 9. 2x Buyers at 6; buyer at 5 and 4.5 https://i.imgur.com/bPoEqT5.png

Sales at: 6, 6, 8, 8, 10, 10, 11. Calling 10 and 11 outliers due to the unsold at over a month. Suggesting flat. I was tempted to including 6 in the range as it could be argue to be part of the common trading point. One of the sales at 6 pure took a while and was from bot to a user. The other sale at 6 keys was likely to a buy order from zol. But 2 buyers above 6 could counter. So going with flat 8. Thanks to Joxu for his help.