Community price on backpack.tf: 62.0–77.0 keys, last changed 2023-10-10 (2.9y ago). The live quote above, 90.2 keys, is 45% higher and last moved 14h 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
45 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 Détective Noir sell price, 2025-09-25 to 2026-09-05: 45 observations, from 76.5 keys to 90.2 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
76.5 keys
51.2 keys
30 SEP 2025 · 20:26 UTC
76.4 keys
50.3 keys
9 OCT 2025 · 08:10 UTC
73.0 keys
52.9 keys
19 OCT 2025 · 19:55 UTC
69.4 keys
50.3 keys
10 NOV 2025 · 00:15 UTC
67.8 keys
49.1 keys
22 JUN 2026 · 17:13 UTC
67.6 keys
58.7 keys
29 JUN 2026 · 01:14 UTC
70.3 keys
61.1 keys
5 JUL 2026 · 23:12 UTC
66.8 keys
58.1 keys
12 JUL 2026 · 22:44 UTC
67.5 keys
58.7 keys
19 JUL 2026 · 22:44 UTC
71.2 keys
61.9 keys
29 JUL 2026 · 00:45 UTC
74.7 keys
64.9 keys
3 AUG 2026 · 00:24 UTC
77.5 keys
67.4 keys
21 AUG 2026 · 00:08 UTC
79.2 keys
68.9 keys
21 AUG 2026 · 12:08 UTC
79.0 keys
68.7 keys
22 AUG 2026 · 00:08 UTC
79.7 keys
69.3 keys
22 AUG 2026 · 12:08 UTC
80.3 keys
69.9 keys
23 AUG 2026 · 00:08 UTC
81.5 keys
70.9 keys
23 AUG 2026 · 12:08 UTC
82.3 keys
71.6 keys
24 AUG 2026 · 00:09 UTC
83.5 keys
72.6 keys
24 AUG 2026 · 12:09 UTC
83.7 keys
72.8 keys
25 AUG 2026 · 12:08 UTC
84.5 keys
73.5 keys
26 AUG 2026 · 00:08 UTC
84.8 keys
73.7 keys
26 AUG 2026 · 12:08 UTC
85.8 keys
74.6 keys
27 AUG 2026 · 00:09 UTC
85.9 keys
74.7 keys
27 AUG 2026 · 12:08 UTC
86.6 keys
75.3 keys
28 AUG 2026 · 00:09 UTC
87.1 keys
75.7 keys
28 AUG 2026 · 12:07 UTC
87.7 keys
76.2 keys
29 AUG 2026 · 00:09 UTC
87.9 keys
76.5 keys
30 AUG 2026 · 00:09 UTC
88.3 keys
76.8 keys
30 AUG 2026 · 12:08 UTC
90.2 keys
78.4 keys
31 AUG 2026 · 02:09 UTC
87.7 keys
76.2 keys
31 AUG 2026 · 14:09 UTC
88.4 keys
76.9 keys
1 SEP 2026 · 02:09 UTC
87.7 keys
76.3 keys
1 SEP 2026 · 14:08 UTC
87.3 keys
75.9 keys
2 SEP 2026 · 02:08 UTC
86.0 keys
74.8 keys
2 SEP 2026 · 14:08 UTC
86.7 keys
75.4 keys
3 SEP 2026 · 14:08 UTC
86.9 keys
75.5 keys
4 SEP 2026 · 02:08 UTC
87.8 keys
76.3 keys
4 SEP 2026 · 14:08 UTC
87.1 keys
75.8 keys
5 SEP 2026 · 02:08 UTC
90.2 keys
78.4 keys
Price history in numbers
45 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Détective Noir's sell price ranged from 78.3 keys to 90.2 keys and is up 15.1% after 31 moves. Over a year it ranged from 66.1 keys to 90.2 keys (up 18.0%). Today's 90.2 keys sits at the top of its range: the lowest we have recorded is 66.1 keys (25 Oct 2025) and the highest 90.2 keys (30 Aug 2026). The price has moved 44 times since we began recording it — about once every 8 days.