Community price on backpack.tf: 225 keys, last changed 2024-02-06 (2.7y ago). The live quote above, 219 keys, is 2% lower and last moved 29d 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
17 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.
Phosphorous Détective Noir sell price, 2025-09-25 to 2026-10-10: 17 observations, from 227 keys to 12.9 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
227 keys
186 keys
30 SEP 2025 · 20:26 UTC
227 keys
186 keys
9 OCT 2025 · 08:10 UTC
217 keys
195 keys
19 OCT 2025 · 19:56 UTC
206 keys
186 keys
25 OCT 2025 · 16:14 UTC
197 keys
177 keys
10 NOV 2025 · 00:15 UTC
202 keys
182 keys
23 JUN 2026 · 11:13 UTC
115 keys
100 keys
1 JUL 2026 · 11:12 UTC
10.5 keys
9.16 keys
11 SEP 2026 · 14:07 UTC
216 keys
188 keys
12 SEP 2026 · 02:08 UTC
217 keys
189 keys
14 SEP 2026 · 00:08 UTC
219 keys
191 keys
4 OCT 2026 · 05:09 UTC
165 keys
144 keys
5 OCT 2026 · 05:08 UTC
224 keys
195 keys
5 OCT 2026 · 17:09 UTC
225 keys
196 keys
6 OCT 2026 · 05:08 UTC
225 keys
196 keys
9 OCT 2026 · 23:10 UTC
12.9 keys
11.2 keys
10 OCT 2026 · 11:08 UTC
12.9 keys
11.2 keys
Price history in numbers
17 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Détective Noir's sell price ranged from 12.9 keys to 225 keys and is down 94.1% after 6 moves. Over a year it ranged from 10.5 keys to 225 keys (down 93.7%). Today's 12.9 keys sits at the bottom of its range: the lowest we have recorded is 10.5 keys (1 Jul 2026) and the highest 227 keys (25 Sep 2025). The price has moved 16 times since we began recording it — about once every 24 days.