Community price on backpack.tf: 150–175 keys, last changed 2021-06-01 (5.3y ago). The live quote above, 10.4 keys, is 93% lower and last moved 10d 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
19 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.
Green Black Hole Détective Noir sell price, 2025-09-25 to 2026-08-27: 19 observations, from 174 keys to 10.4 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
174 keys
122 keys
30 SEP 2025 · 20:26 UTC
174 keys
122 keys
9 OCT 2025 · 08:10 UTC
166 keys
128 keys
19 OCT 2025 · 19:56 UTC
158 keys
122 keys
25 OCT 2025 · 16:14 UTC
151 keys
116 keys
10 NOV 2025 · 00:15 UTC
160 keys
124 keys
2 JUL 2026 · 09:12 UTC
9.80 keys
8.54 keys
10 JUL 2026 · 00:44 UTC
9.68 keys
8.43 keys
30 JUL 2026 · 08:45 UTC
10.1 keys
8.80 keys
3 AUG 2026 · 00:24 UTC
10.8 keys
9.42 keys
10 AUG 2026 · 03:11 UTC
14.5 keys
12.6 keys
21 AUG 2026 · 10:08 UTC
10.4 keys
9.03 keys
21 AUG 2026 · 22:09 UTC
10.4 keys
9.02 keys
22 AUG 2026 · 10:08 UTC
10.4 keys
9.03 keys
22 AUG 2026 · 22:08 UTC
10.4 keys
9.03 keys
25 AUG 2026 · 14:09 UTC
10.4 keys
9.04 keys
26 AUG 2026 · 02:09 UTC
10.4 keys
9.04 keys
26 AUG 2026 · 14:09 UTC
10.4 keys
9.07 keys
27 AUG 2026 · 02:09 UTC
10.4 keys
9.06 keys
Price history in numbers
19 readings since 25 Sep 2025
Over the last 30 days the Green Black Hole Détective Noir's sell price ranged from 10.4 keys to 14.5 keys and is down 28.3% after 8 moves. Over a year it ranged from 9.68 keys to 174 keys (down 94.0%). Today's 10.4 keys sits at the bottom of its range: the lowest we have recorded is 9.68 keys (10 Jul 2026) and the highest 174 keys (25 Sep 2025). The price has moved 18 times since we began recording it — about once every 19 days.
Professional Killstreak Tomislav