Community price on backpack.tf: 170 keys, last changed 2024-06-29 (2.2y ago). The live quote above, 112 keys, is 34% lower and last moved 2d 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
22 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.
Sulphurous Détective Noir sell price, 2025-09-25 to 2026-09-03: 22 observations, from 176 keys to 112 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
176 keys
144 keys
30 SEP 2025 · 20:26 UTC
174 keys
143 keys
9 OCT 2025 · 08:10 UTC
167 keys
150 keys
19 OCT 2025 · 19:56 UTC
158 keys
143 keys
25 OCT 2025 · 16:14 UTC
151 keys
136 keys
10 NOV 2025 · 00:15 UTC
155 keys
139 keys
23 JUN 2026 · 09:14 UTC
125 keys
109 keys
29 JUN 2026 · 03:14 UTC
116 keys
101 keys
5 JUL 2026 · 23:12 UTC
109 keys
95.0 keys
12 JUL 2026 · 22:44 UTC
109 keys
94.7 keys
19 JUL 2026 · 22:44 UTC
113 keys
98.3 keys
29 JUL 2026 · 00:45 UTC
82.0 keys
71.2 keys
3 AUG 2026 · 00:24 UTC
121 keys
105 keys
10 AUG 2026 · 01:11 UTC
123 keys
107 keys
21 AUG 2026 · 10:08 UTC
10.7 keys
9.31 keys
22 AUG 2026 · 10:08 UTC
10.7 keys
9.30 keys
23 AUG 2026 · 02:08 UTC
10.7 keys
9.32 keys
25 AUG 2026 · 22:09 UTC
10.7 keys
9.32 keys
26 AUG 2026 · 12:08 UTC
10.7 keys
9.34 keys
27 AUG 2026 · 02:09 UTC
10.7 keys
9.33 keys
29 AUG 2026 · 08:09 UTC
113 keys
98.0 keys
3 SEP 2026 · 12:09 UTC
112 keys
97.8 keys
Price history in numbers
22 readings since 25 Sep 2025
Over the last 30 days the Sulphurous Détective Noir's sell price ranged from 10.7 keys to 123 keys and is down 8.6% after 8 moves. Over a year it ranged from 10.7 keys to 176 keys (down 36.0%). Today's 112 keys sits in the middle of its range: the lowest we have recorded is 10.7 keys (22 Aug 2026) and the highest 176 keys (25 Sep 2025). The price has moved 21 times since we began recording it — about once every 16 days.