Community price on backpack.tf: 35.0–57.0 keys, last changed 2020-08-11 (6.2y ago). The live quote above, 12.8 keys, is 64% lower 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
35 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 Phononaut sell price, 2025-09-25 to 2026-10-10: 35 observations, from 59.0 keys to 14.5 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
59.0 keys
29.6 keys
30 SEP 2025 · 21:25 UTC
59.0 keys
30.5 keys
9 OCT 2025 · 09:06 UTC
56.3 keys
32.0 keys
19 OCT 2025 · 20:54 UTC
53.6 keys
30.5 keys
25 OCT 2025 · 17:17 UTC
51.1 keys
29.0 keys
10 NOV 2025 · 01:18 UTC
52.4 keys
29.8 keys
22 JUN 2026 · 17:13 UTC
61.3 keys
53.3 keys
29 JUN 2026 · 05:13 UTC
63.8 keys
55.5 keys
5 JUL 2026 · 23:12 UTC
60.6 keys
52.7 keys
12 JUL 2026 · 20:45 UTC
61.0 keys
53.1 keys
19 JUL 2026 · 22:44 UTC
65.7 keys
57.1 keys
29 JUL 2026 · 00:45 UTC
68.4 keys
59.5 keys
6 AUG 2026 · 11:13 UTC
71.6 keys
62.3 keys
18 AUG 2026 · 09:10 UTC
44.5 keys
38.8 keys
29 AUG 2026 · 14:09 UTC
13.2 keys
11.5 keys
31 AUG 2026 · 18:10 UTC
23.7 keys
20.6 keys
2 SEP 2026 · 10:08 UTC
34.0 keys
29.6 keys
3 SEP 2026 · 12:09 UTC
24.1 keys
20.9 keys
8 SEP 2026 · 20:09 UTC
12.8 keys
11.1 keys
9 SEP 2026 · 12:09 UTC
24.3 keys
21.2 keys
12 SEP 2026 · 16:09 UTC
25.1 keys
21.8 keys
15 SEP 2026 · 14:08 UTC
24.2 keys
21.1 keys
17 SEP 2026 · 06:08 UTC
23.0 keys
20.0 keys
24 SEP 2026 · 22:09 UTC
25.0 keys
21.8 keys
27 SEP 2026 · 18:08 UTC
25.5 keys
22.2 keys
30 SEP 2026 · 20:09 UTC
24.8 keys
21.5 keys
1 OCT 2026 · 16:09 UTC
12.8 keys
11.1 keys
4 OCT 2026 · 23:10 UTC
25.4 keys
22.1 keys
5 OCT 2026 · 15:09 UTC
25.3 keys
22.0 keys
7 OCT 2026 · 05:09 UTC
33.9 keys
29.5 keys
8 OCT 2026 · 07:09 UTC
14.5 keys
12.6 keys
8 OCT 2026 · 21:10 UTC
14.5 keys
12.6 keys
9 OCT 2026 · 11:09 UTC
14.5 keys
12.6 keys
9 OCT 2026 · 23:10 UTC
14.5 keys
12.6 keys
10 OCT 2026 · 11:08 UTC
14.5 keys
12.6 keys
Price history in numbers
35 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Phononaut's sell price ranged from 12.8 keys to 33.9 keys and is down 40.0% after 13 moves. Over a year it ranged from 12.8 keys to 71.6 keys (down 72.9%). Today's 14.5 keys sits at the bottom of its range: the lowest we have recorded is 12.8 keys (1 Oct 2026) and the highest 71.6 keys (6 Aug 2026). The price has moved 34 times since we began recording it — about once every 11 days.