Community price on backpack.tf: 32.0–45.0 keys, last changed 2023-12-04 (2.8y ago). The live quote above, 66.9 keys, is 109% higher and last moved 2h 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
46 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 Professor's Peculiarity sell price, 2025-09-25 to 2026-09-05: 46 observations, from 45.6 keys to 66.9 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
45.6 keys
26.5 keys
30 SEP 2025 · 20:29 UTC
46.6 keys
26.5 keys
9 OCT 2025 · 08:12 UTC
44.5 keys
27.8 keys
19 OCT 2025 · 19:59 UTC
42.4 keys
26.5 keys
10 NOV 2025 · 00:19 UTC
41.4 keys
25.9 keys
22 JUN 2026 · 17:13 UTC
49.2 keys
42.8 keys
29 JUN 2026 · 03:14 UTC
51.1 keys
44.4 keys
5 JUL 2026 · 21:12 UTC
48.5 keys
42.2 keys
12 JUL 2026 · 22:44 UTC
48.8 keys
42.5 keys
19 JUL 2026 · 22:44 UTC
51.2 keys
44.5 keys
3 AUG 2026 · 00:24 UTC
56.5 keys
49.1 keys
10 AUG 2026 · 01:11 UTC
57.4 keys
49.8 keys
21 AUG 2026 · 04:07 UTC
57.4 keys
49.9 keys
21 AUG 2026 · 16:08 UTC
57.3 keys
49.8 keys
22 AUG 2026 · 04:08 UTC
57.7 keys
50.2 keys
22 AUG 2026 · 16:08 UTC
58.1 keys
50.5 keys
23 AUG 2026 · 04:09 UTC
58.7 keys
51.0 keys
24 AUG 2026 · 04:09 UTC
59.6 keys
51.8 keys
24 AUG 2026 · 16:08 UTC
60.3 keys
52.4 keys
25 AUG 2026 · 04:09 UTC
60.9 keys
52.9 keys
25 AUG 2026 · 16:09 UTC
61.0 keys
53.1 keys
26 AUG 2026 · 04:09 UTC
61.8 keys
53.8 keys
26 AUG 2026 · 16:08 UTC
62.7 keys
54.5 keys
27 AUG 2026 · 16:08 UTC
63.9 keys
55.6 keys
28 AUG 2026 · 04:08 UTC
64.7 keys
56.2 keys
28 AUG 2026 · 16:09 UTC
64.9 keys
56.5 keys
29 AUG 2026 · 04:09 UTC
65.3 keys
56.8 keys
29 AUG 2026 · 16:09 UTC
65.5 keys
57.0 keys
30 AUG 2026 · 04:09 UTC
65.8 keys
57.2 keys
30 AUG 2026 · 16:07 UTC
65.8 keys
57.2 keys
31 AUG 2026 · 16:09 UTC
65.5 keys
57.0 keys
1 SEP 2026 · 04:09 UTC
65.2 keys
56.7 keys
1 SEP 2026 · 16:08 UTC
65.4 keys
56.9 keys
2 SEP 2026 · 04:08 UTC
64.2 keys
55.8 keys
2 SEP 2026 · 16:08 UTC
64.8 keys
56.4 keys
3 SEP 2026 · 04:08 UTC
65.1 keys
56.6 keys
4 SEP 2026 · 04:08 UTC
65.9 keys
57.3 keys
4 SEP 2026 · 16:08 UTC
65.8 keys
57.2 keys
5 SEP 2026 · 04:08 UTC
68.2 keys
59.3 keys
5 SEP 2026 · 16:08 UTC
66.9 keys
58.2 keys
Price history in numbers
46 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Professor's Peculiarity's sell price ranged from 57.3 keys to 68.2 keys and is up 16.7% after 32 moves. Over a year it ranged from 40.3 keys to 68.2 keys (up 46.7%). Today's 66.9 keys sits at the top of its range: the lowest we have recorded is 40.3 keys (25 Oct 2025) and the highest 68.2 keys (5 Sep 2026). The price has moved 45 times since we began recording it — about once every 8 days.
Collector's Nessie's Nine Iron