Community price on backpack.tf: 75.0 keys, last changed 2024-03-29 (2.4y ago). The live quote above, 69.3 keys, is 8% lower and last moved 11h 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
54 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 2026-09-05: 54 observations, from 77.4 keys to 69.3 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
77.4 keys
63.3 keys
30 SEP 2025 · 20:11 UTC
77.3 keys
63.3 keys
19 OCT 2025 · 19:41 UTC
70.3 keys
63.3 keys
25 OCT 2025 · 15:58 UTC
67.0 keys
60.3 keys
9 NOV 2025 · 23:59 UTC
71.2 keys
64.1 keys
1 DEC 2025 · 00:47 UTC
148 keys
114 keys
10 DEC 2025 · 06:42 UTC
153 keys
118 keys
8 JAN 2026 · 21:33 UTC
128 keys
42.1 keys
13 FEB 2026 · 12:40 UTC
123 keys
53.6 keys
15 FEB 2026 · 22:39 UTC
132 keys
58.6 keys
4 MAR 2026 · 00:40 UTC
123 keys
58.3 keys
8 MAR 2026 · 22:40 UTC
122 keys
58.5 keys
15 MAR 2026 · 22:06 UTC
129 keys
62.7 keys
11 APR 2026 · 10:29 UTC
130 keys
64.1 keys
19 APR 2026 · 22:29 UTC
133 keys
66.2 keys
1 MAY 2026 · 10:29 UTC
119 keys
62.5 keys
24 MAY 2026 · 22:29 UTC
125 keys
69.6 keys
1 JUN 2026 · 00:29 UTC
127 keys
70.9 keys
8 JUN 2026 · 02:29 UTC
125 keys
70.3 keys
22 JUN 2026 · 17:13 UTC
83.6 keys
72.7 keys
29 JUN 2026 · 01:14 UTC
87.1 keys
75.8 keys
12 JUL 2026 · 22:44 UTC
83.2 keys
72.4 keys
19 JUL 2026 · 22:44 UTC
87.9 keys
76.5 keys
29 JUL 2026 · 00:45 UTC
94.3 keys
81.9 keys
10 AUG 2026 · 01:11 UTC
100 keys
87.1 keys
17 AUG 2026 · 21:11 UTC
64.4 keys
55.9 keys
26 AUG 2026 · 02:09 UTC
47.6 keys
41.4 keys
27 AUG 2026 · 04:10 UTC
56.2 keys
48.9 keys
27 AUG 2026 · 16:08 UTC
57.7 keys
50.1 keys
28 AUG 2026 · 04:08 UTC
59.0 keys
51.3 keys
30 AUG 2026 · 06:09 UTC
65.2 keys
56.7 keys
30 AUG 2026 · 18:09 UTC
65.2 keys
56.7 keys
31 AUG 2026 · 06:09 UTC
65.1 keys
56.6 keys
1 SEP 2026 · 06:08 UTC
64.6 keys
56.2 keys
1 SEP 2026 · 18:08 UTC
64.9 keys
56.4 keys
2 SEP 2026 · 18:08 UTC
65.0 keys
56.5 keys
3 SEP 2026 · 06:08 UTC
66.1 keys
57.4 keys
3 SEP 2026 · 18:09 UTC
69.3 keys
60.2 keys
4 SEP 2026 · 18:07 UTC
68.7 keys
59.7 keys
5 SEP 2026 · 06:07 UTC
69.3 keys
60.3 keys
Price history in numbers
54 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Brain Bucket's sell price ranged from 15.2 keys to 100 keys and is down 30.8% after 20 moves. Over a year it ranged from 15.2 keys to 153 keys (down 10.5%). Today's 69.3 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 52 times since we began recording it — about once every 7 days.