Community price on backpack.tf: 41.0 keys, last changed 2017-10-11 (9.0y ago). The live quote above, 154 keys, is 275% higher and last moved 28d 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
16 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.
The Ooze Engineer's Cap sell price, 2025-09-25 to 2026-10-06: 16 observations, from 41.7 keys to 175 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
41.7 keys
34.1 keys
30 SEP 2025 · 20:09 UTC
41.7 keys
34.1 keys
9 OCT 2025 · 07:54 UTC
39.8 keys
35.8 keys
19 OCT 2025 · 19:39 UTC
37.9 keys
34.1 keys
25 OCT 2025 · 15:57 UTC
36.1 keys
32.5 keys
9 NOV 2025 · 23:57 UTC
38.2 keys
34.3 keys
17 NOV 2025 · 04:31 UTC
13.1 keys
13.1 keys
28 JUL 2026 · 06:44 UTC
11.4 keys
9.91 keys
3 AUG 2026 · 00:24 UTC
12.0 keys
10.5 keys
13 AUG 2026 · 17:12 UTC
11.7 keys
10.3 keys
21 AUG 2026 · 18:09 UTC
76.2 keys
66.2 keys
29 AUG 2026 · 22:09 UTC
88.2 keys
76.7 keys
11 SEP 2026 · 16:09 UTC
11.7 keys
10.1 keys
15 SEP 2026 · 10:08 UTC
154 keys
134 keys
4 OCT 2026 · 05:09 UTC
32.5 keys
28.3 keys
6 OCT 2026 · 05:08 UTC
175 keys
152 keys
Price history in numbers
16 readings since 25 Sep 2025
Over the last 30 days the The Ooze Engineer's Cap's sell price ranged from 32.5 keys to 175 keys and is up 13.9% after 2 moves. Over a year it ranged from 11.4 keys to 175 keys (up 362.0%). Today's 175 keys sits at the top of its range: the lowest we have recorded is 11.4 keys (28 Jul 2026) and the highest 175 keys (6 Oct 2026). The price has moved 15 times since we began recording it — about once every 25 days.