taking last 2 months

sales

sold for 9 keys

https://backpack.tf/profiles/76561198148511293#!/compare/1594512000/1594598400

https://backpack.tf/profiles/76561198354296433#!/compare/1594425600/1594512000

untrace

https://backpack.tf/profiles/76561198290723276#!/compare/1592784000/1593388800

https://backpack.tf/profiles/76561198832624621#!/compare/1593043200/1594512000

bulk for 80 keys

https://backpack.tf/profiles/76561198832624621#!/compare/1593216000/1593388800

https://backpack.tf/profiles/76561198093710207#!/compare/1592784000/1593302400

sold for 8 keys + 50 ref (rounds to 9)

https://backpack.tf/profiles/76561198040106025#!/compare/1591920000/1593302400

https://backpack.tf/profiles/76561198341171690#!/compare/1593216000/1593302400

buyorder

https://bot.tf/stats/listings/YD1KVDRR

sold for 9 keys

https://backpack.tf/profiles/76561198038986052#!/compare/1592697600/1592784000

https://backpack.tf/profiles/76561198056810044#!/compare/1592092800/1592784000

marketplace

https://marketplace.tf/items/tf2/31010;5;u112

20.78 on june 21 (20.78/1.99 = 10 keys~)

https://manic.tf/keyprice/?at=2020-06-21

https://backpack.tf/item/7337623885

19.95 on july 2 (19.95/2.01 = 10 keys~)

https://manic.tf/keyprice/?at=2020-07-02

19.5 on july 22 (19.5/1.94 = 10 keys~)

https://manic.tf/keyprice/?at=2020-07-22

15.05 on july 28 (15.05/1.92 = 8 keys~)

https://manic.tf/keyprice/?at=2020-07-28

classifieds

https://gyazo.com/b0ac2bde90a57cdb3ce224f50731a58b

summary

1 @ 8 keys

3 @ 9 keys

3 @ 10 keys

conclusion

9 and 10 seems common here, buyers are at 9, but its a common trading point.

going with 9-10, 8 seems low.