Community price on backpack.tf: 325 keys, last changed 2026-07-22 (1mo ago). The live quote above, 178 keys, is 45% lower and last moved 14d 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
14 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.
Bubbling HazMat Headcase sell price, 2025-09-25 to 2026-08-22: 14 observations, from 150 keys to 178 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
150 keys
122 keys
30 SEP 2025 · 20:39 UTC
149 keys
122 keys
9 OCT 2025 · 08:22 UTC
143 keys
128 keys
19 OCT 2025 · 20:09 UTC
136 keys
122 keys
25 OCT 2025 · 16:28 UTC
129 keys
116 keys
10 NOV 2025 · 00:30 UTC
133 keys
119 keys
22 JUN 2026 · 19:13 UTC
116 keys
101 keys
29 JUN 2026 · 01:14 UTC
124 keys
108 keys
5 JUL 2026 · 23:12 UTC
171 keys
149 keys
28 JUL 2026 · 14:44 UTC
170 keys
147 keys
4 AUG 2026 · 23:12 UTC
224 keys
195 keys
11 AUG 2026 · 07:11 UTC
226 keys
197 keys
17 AUG 2026 · 21:11 UTC
225 keys
195 keys
22 AUG 2026 · 18:09 UTC
178 keys
155 keys
Price history in numbers
14 readings since 25 Sep 2025
Over the last 30 days the Bubbling HazMat Headcase's sell price ranged from 178 keys to 226 keys and is down 21.3% after 2 moves. Over a year it ranged from 116 keys to 226 keys (up 19.2%). Today's 178 keys sits in the middle of its range: the lowest we have recorded is 116 keys (22 Jun 2026) and the highest 226 keys (11 Aug 2026). The price has moved 13 times since we began recording it — about once every 26 days.