Community price on backpack.tf: 185 keys, last changed 2025-11-11 (10mo ago). The live quote above, 80.9 keys, is 56% lower and last moved 5d 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.
Cauldron Bubbles Engineer's Cap sell price, 2025-09-25 to 2026-09-01: 17 observations, from 79.7 keys to 80.9 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
79.7 keys
59.4 keys
30 SEP 2025 · 20:09 UTC
79.6 keys
59.3 keys
9 OCT 2025 · 07:53 UTC
76.0 keys
62.4 keys
19 OCT 2025 · 19:39 UTC
72.3 keys
59.3 keys
25 OCT 2025 · 15:57 UTC
68.9 keys
56.5 keys
9 NOV 2025 · 23:57 UTC
72.9 keys
59.8 keys
17 NOV 2025 · 04:31 UTC
12.3 keys
12.3 keys
22 JUN 2026 · 17:13 UTC
73.8 keys
64.2 keys
30 JUN 2026 · 03:12 UTC
120 keys
104 keys
4 JUL 2026 · 12:01 UTC
111 keys
96.9 keys
12 JUL 2026 · 18:45 UTC
85.8 keys
74.6 keys
19 JUL 2026 · 08:44 UTC
10.9 keys
9.49 keys
29 JUL 2026 · 00:45 UTC
102 keys
88.9 keys
3 AUG 2026 · 00:24 UTC
106 keys
91.9 keys
11 AUG 2026 · 07:11 UTC
112 keys
97.3 keys
19 AUG 2026 · 22:09 UTC
101 keys
88.0 keys
1 SEP 2026 · 02:08 UTC
80.9 keys
70.3 keys
Price history in numbers
17 readings since 25 Sep 2025
Over the last 30 days the Cauldron Bubbles Engineer's Cap's sell price ranged from 80.9 keys to 112 keys and is down 27.7% after 2 moves. Over a year it ranged from 10.9 keys to 120 keys (up 1.6%). Today's 80.9 keys sits in the middle of its range: the lowest we have recorded is 10.9 keys (19 Jul 2026) and the highest 120 keys (30 Jun 2026). The price has moved 16 times since we began recording it — about once every 21 days.