Community price on backpack.tf: 290 keys, last changed 2025-04-19 (1.4y ago). The live quote above, 11.7 keys, is 96% lower and last moved 8d 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
13 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 Engineer's Cap sell price, 2025-09-25 to 2026-08-28: 13 observations, from 290 keys to 11.7 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
290 keys
237 keys
30 SEP 2025 · 20:09 UTC
288 keys
236 keys
9 OCT 2025 · 07:54 UTC
275 keys
248 keys
19 OCT 2025 · 19:39 UTC
262 keys
236 keys
25 OCT 2025 · 15:57 UTC
249 keys
225 keys
9 NOV 2025 · 23:57 UTC
265 keys
238 keys
17 NOV 2025 · 04:31 UTC
12.3 keys
12.3 keys
19 JUL 2026 · 06:43 UTC
126 keys
110 keys
25 JUL 2026 · 04:44 UTC
130 keys
113 keys
6 AUG 2026 · 13:13 UTC
136 keys
118 keys
10 AUG 2026 · 23:11 UTC
188 keys
164 keys
21 AUG 2026 · 08:08 UTC
135 keys
117 keys
28 AUG 2026 · 11:22 UTC
11.7 keys
10.2 keys
Price history in numbers
13 readings since 25 Sep 2025
Over the last 30 days the Green Black Hole Engineer's Cap's sell price ranged from 11.7 keys to 188 keys and is down 93.8% after 2 moves. Over a year it ranged from 11.7 keys to 290 keys (down 96.0%). Today's 11.7 keys sits at the bottom of its range: the lowest we have recorded is 11.7 keys (28 Aug 2026) and the highest 290 keys (25 Sep 2025). The price has moved 12 times since we began recording it — about once every 28 days.