Community price on backpack.tf: 75.0 keys, last changed 2024-03-29 (2.5y ago). The live quote above, 99.5 keys, is 33% higher and last moved 12d ago. They are different measures: the quote is what traders and bots are asking and bidding on the classifieds right now, and it moves for thousands of items every day; the community price is a suggestion accepted by vote, which changes only when someone argues it should. A quote well away from the vote is usually a price that is about to be re-argued. Community prices from backpack.tf, read under an hour ago.
Price history
127 observations
Interactive chart. Press the left and right arrow keys to move along the series, Home or End to jump to either end, Escape to clear.
The key axis converts at today's rate. Prices are recorded in metal, so a line that is flat in keys followed the key rate rather than standing still.
Purple Energy Brain Bucket sell price, 2025-09-25 to 2026-10-12: 127 observations, from 77.7 keys to 105 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
77.7 keys
63.6 keys
19 OCT 2025 · 19:41 UTC
70.5 keys
63.5 keys
22 NOV 2025 · 14:36 UTC
148 keys
114 keys
8 JAN 2026 · 21:33 UTC
128 keys
42.3 keys
22 FEB 2026 · 22:40 UTC
124 keys
56.9 keys
15 MAR 2026 · 22:06 UTC
130 keys
63.0 keys
19 APR 2026 · 22:29 UTC
133 keys
66.4 keys
1 JUN 2026 · 00:29 UTC
127 keys
71.1 keys
22 JUN 2026 · 17:13 UTC
83.9 keys
73.0 keys
12 JUL 2026 · 22:44 UTC
83.5 keys
72.6 keys
3 AUG 2026 · 00:24 UTC
98.3 keys
85.5 keys
26 AUG 2026 · 14:09 UTC
47.5 keys
41.3 keys
28 AUG 2026 · 04:08 UTC
59.3 keys
51.5 keys
30 AUG 2026 · 18:09 UTC
65.4 keys
56.9 keys
1 SEP 2026 · 06:08 UTC
64.8 keys
56.4 keys
2 SEP 2026 · 18:08 UTC
65.2 keys
56.7 keys
4 SEP 2026 · 18:07 UTC
68.9 keys
59.9 keys
6 SEP 2026 · 06:08 UTC
71.7 keys
62.4 keys
7 SEP 2026 · 18:08 UTC
77.8 keys
67.7 keys
9 SEP 2026 · 06:09 UTC
78.6 keys
68.4 keys
11 SEP 2026 · 06:07 UTC
85.4 keys
74.3 keys
12 SEP 2026 · 18:08 UTC
86.7 keys
75.4 keys
14 SEP 2026 · 06:08 UTC
88.5 keys
77.0 keys
15 SEP 2026 · 20:09 UTC
89.7 keys
78.0 keys
17 SEP 2026 · 22:08 UTC
91.0 keys
79.2 keys
19 SEP 2026 · 12:09 UTC
91.2 keys
79.3 keys
21 SEP 2026 · 02:11 UTC
94.5 keys
82.2 keys
22 SEP 2026 · 14:09 UTC
95.4 keys
83.0 keys
24 SEP 2026 · 02:09 UTC
96.3 keys
83.7 keys
26 SEP 2026 · 02:08 UTC
98.4 keys
85.6 keys
27 SEP 2026 · 16:08 UTC
101 keys
87.5 keys
29 SEP 2026 · 04:08 UTC
101 keys
87.8 keys
30 SEP 2026 · 16:08 UTC
101 keys
87.7 keys
2 OCT 2026 · 17:10 UTC
102 keys
88.6 keys
4 OCT 2026 · 05:09 UTC
103 keys
89.6 keys
6 OCT 2026 · 09:10 UTC
105 keys
90.9 keys
7 OCT 2026 · 21:09 UTC
104 keys
90.5 keys
9 OCT 2026 · 21:09 UTC
105 keys
91.2 keys
11 OCT 2026 · 09:09 UTC
105 keys
91.1 keys
12 OCT 2026 · 23:08 UTC
105 keys
91.2 keys
Price history in numbers
127 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Brain Bucket's sell price ranged from 87.5 keys to 105 keys and is up 19.9% after 56 moves. Over a year it ranged from 15.2 keys to 153 keys (up 48.7%). Today's 105 keys sits in the middle of its range: the lowest we have recorded is 15.2 keys (28 Aug 2026) and the highest 153 keys (10 Dec 2025). The price has moved 125 times since we began recording it — about once every 3 days.