bot.tf:

https://i.imgur.com/DuIKOr3.png

https://bot.tf/stats/item?def=1118&q=6&ef=&craft=1&aus=0&ks=0

Sold (30 days):

30 @ 1 key, 17.66 ref --> 1.32 {1.30 keys}

18 @ 1 key, 42.44 ref --> 1.76 {1.75 keys}

10 @ 1 key, 38.00 ref --> 1.68 {1.70 keys}

8 @ 1 key, 30.00 ref --> 1.54 {1.55 keys}

7 @ 1 key, 40.00 ref --> 1.71 {1.70 keys}

7 @ 1 key, 28.00 ref --> 1.5 {1.50 keys}

Bought (30 days):

24 @ 1 key, 42.33 ref --> 1.76 {1.75 keys}

22 @ 1 key, 17.44 ref --> 1.31 {1.30 keys}

14 @ 1 key, 42.00 ref --> 1.75 {1.75 keys}

13 @ 1 key, 32.00 ref --> 1.57 {1.55 keys}

12 @ 1 key, 17.55 ref --> 1.31 {1.30 keys}

11 @ 1 key, 20.00 ref --> 1.36 {1.35 keys}

Marketplace (last 5 days, starting august 11):

3.94/1.84= 2.14 {2.15 keys}

3.90/1.85= 2.11 {2.10 keys}

3.85/1.87= 2.06 {2.05 keys}

3.87/1.87= 2.07 {2.05 keys}

3.87/1.85= 2.09 {2.10 keys}

{Not proof!} Currently the lowest price for the conga on marketplace on august 12: 9@ $3.95 / $1.84 = 2.15 keys {Not proof!}

All sales below 1.77 keys will be ignored due to being the same value as the buy order price. Leaves us only with the marketplace listings, being:

46 @ 2.15 keys

50 @ 2.10 keys

42 @ 2.05 keys

38 @ 2.05 keys

38 @ 2.10 keys

Going with 2.05 - 2.15 keys.