Month 1: https://gladiator.tf/sales?item=Bee%20Swarm%20Bazaar%20Bauble&at=2022-06-16T22:39:36.599Z

Buys:

1 @ 7 keys 49.11 ref ~7.5 keys

1 @ 8 keys 40.88 ref ~8.5 keys

Month 2: https://gladiator.tf/sales?item=Bee%20Swarm%20Bazaar%20Bauble&at=2022-05-16T22:39:36.599Z

Sales:

1 @ 8 keys 30 ref ~8.5 keys

Buys:

1 @ 7 keys 40 ref ~7.5 keys

1 @ 8 keys 26.77 ref ~8.5 keys

Month 3: https://gladiator.tf/sales?item=Bee%20Swarm%20Bazaar%20Bauble&at=2022-04-16T22:39:36.599Z

Sales:

1 @ 8 keys

Buys:

1 @ 7 keys 20.11 ref ~7.5 keys

1 @ 7 keys 40 ref ~7.5 keys

1 @ 7 keys 43.88 ref ~7.5 keys

1 @ 7 keys 49.55 ref ~7.5 keys

~~

https://marketplace.tf/items/tf2/31112;5;u151

$15.99 / $1.77 = 9.03 keys ~9 keys

$15.99 / $1.77 = 9.03 keys ~9 keys

$15.99 / $1.79 = 8.93 keys ~9 keys

$15.99 / $1.79 = 8.93 keys ~9 keys

~~

https://mannco.store/item/23431

$13.99 / $1.58 = 8.85 keys ~9 keys

$13.99 / $1.61 = 8.69 keys ~8.5 keys

$14.32 / $1.61 = 8.89 keys ~9 keys

$15.11 / $1.61 = 9.39 keys ~9.5 keys

Sales at 7.5 (x6), 8 (x1), 8.5 (x4), 9 (x6), 9.5

https://gladiator.tf/time-machine?item=Bee%20Swarm%20Bazaar%20Bauble&at=2022-06-16T22:39:32.720Z

sellers at 8.79 keys, buyers at 7.72 keys, which rounds off to 7.5-9 which seems to be the most common trading point (excluding 9.5 as an outlier given it's a single sale and there are lots of lower sellers)

Going with 7.5-9 keys