Community price on backpack.tf: 50.0–51.0 keys, last changed 2023-09-21 (3.0y ago). The live quote above, 70.5 keys, is 41% higher and last moved 7h 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
65 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 Detective sell price, 2025-09-25 to 2026-09-05: 65 observations, from 53.8 keys to 70.5 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
53.8 keys
42.2 keys
9 OCT 2025 · 10:21 UTC
50.4 keys
44.4 keys
19 OCT 2025 · 22:17 UTC
47.9 keys
42.3 keys
10 NOV 2025 · 02:25 UTC
48.3 keys
42.6 keys
23 NOV 2025 · 20:57 UTC
81.5 keys
76.9 keys
11 DEC 2025 · 11:02 UTC
144 keys
86.3 keys
22 DEC 2025 · 03:13 UTC
145 keys
90.6 keys
29 DEC 2025 · 00:58 UTC
135 keys
90.0 keys
11 JAN 2026 · 05:43 UTC
116 keys
81.8 keys
30 JAN 2026 · 03:43 UTC
106 keys
71.0 keys
3 FEB 2026 · 20:23 UTC
98.5 keys
67.8 keys
17 FEB 2026 · 14:41 UTC
97.9 keys
43.3 keys
1 MAR 2026 · 00:43 UTC
83.5 keys
73.9 keys
8 MAR 2026 · 06:43 UTC
117 keys
74.8 keys
22 MAR 2026 · 22:08 UTC
94.5 keys
81.3 keys
12 APR 2026 · 22:31 UTC
98.0 keys
32.7 keys
23 APR 2026 · 08:32 UTC
101 keys
19.6 keys
3 MAY 2026 · 22:32 UTC
95.9 keys
52.4 keys
15 MAY 2026 · 18:33 UTC
102 keys
57.8 keys
24 MAY 2026 · 08:31 UTC
103 keys
57.6 keys
8 JUN 2026 · 00:32 UTC
72.1 keys
58.0 keys
15 JUN 2026 · 00:32 UTC
105 keys
57.5 keys
29 JUN 2026 · 13:12 UTC
71.6 keys
62.3 keys
12 JUL 2026 · 20:45 UTC
68.3 keys
59.4 keys
19 JUL 2026 · 20:45 UTC
71.1 keys
61.8 keys
3 AUG 2026 · 00:24 UTC
76.4 keys
66.5 keys
17 AUG 2026 · 17:11 UTC
102 keys
88.6 keys
22 AUG 2026 · 04:09 UTC
22.7 keys
19.8 keys
26 AUG 2026 · 22:10 UTC
64.5 keys
56.1 keys
27 AUG 2026 · 22:09 UTC
65.3 keys
56.8 keys
28 AUG 2026 · 11:23 UTC
65.9 keys
57.3 keys
29 AUG 2026 · 10:10 UTC
67.1 keys
58.3 keys
30 AUG 2026 · 10:09 UTC
69.2 keys
60.2 keys
30 AUG 2026 · 22:10 UTC
69.1 keys
60.1 keys
1 SEP 2026 · 10:09 UTC
70.6 keys
61.4 keys
1 SEP 2026 · 22:08 UTC
70.6 keys
61.4 keys
2 SEP 2026 · 22:08 UTC
70.5 keys
61.3 keys
3 SEP 2026 · 22:09 UTC
71.9 keys
62.5 keys
4 SEP 2026 · 10:08 UTC
73.1 keys
63.6 keys
5 SEP 2026 · 12:10 UTC
70.5 keys
61.3 keys
Price history in numbers
65 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Detective's sell price ranged from 22.7 keys to 102 keys and is down 9.5% after 22 moves. Over a year it ranged from 22.7 keys to 146 keys (up 31.1%). Today's 70.5 keys sits in the middle of its range: the lowest we have recorded is 22.7 keys (22 Aug 2026) and the highest 146 keys (15 Dec 2025). The price has moved 64 times since we began recording it — about once every 5 days.