Community price on backpack.tf: 110 keys, last changed 2019-03-08 (7.6y ago). The live quote above, 77.8 keys, is 29% lower and last moved 17d 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.
Head of Steam Phononaut sell price, 2025-09-25 to 2026-10-10: 16 observations, from 111 keys to 14.0 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
111 keys
90.5 keys
30 SEP 2025 · 21:25 UTC
109 keys
89.6 keys
9 OCT 2025 · 09:06 UTC
105 keys
94.1 keys
19 OCT 2025 · 20:54 UTC
99.5 keys
89.6 keys
25 OCT 2025 · 17:17 UTC
94.8 keys
85.3 keys
10 NOV 2025 · 01:18 UTC
97.2 keys
87.5 keys
22 JUN 2026 · 17:13 UTC
12.4 keys
10.8 keys
29 JUN 2026 · 03:14 UTC
12.3 keys
10.7 keys
22 JUL 2026 · 00:47 UTC
12.7 keys
11.1 keys
25 SEP 2026 · 08:08 UTC
76.7 keys
66.7 keys
25 SEP 2026 · 20:09 UTC
77.8 keys
67.6 keys
5 OCT 2026 · 15:09 UTC
75.7 keys
65.8 keys
8 OCT 2026 · 11:09 UTC
13.9 keys
12.1 keys
9 OCT 2026 · 15:10 UTC
13.9 keys
12.1 keys
10 OCT 2026 · 03:10 UTC
13.9 keys
12.1 keys
10 OCT 2026 · 15:10 UTC
14.0 keys
12.1 keys
Price history in numbers
16 readings since 25 Sep 2025
Over the last 30 days the Head of Steam Phononaut's sell price ranged from 13.9 keys to 77.8 keys and is down 81.8% after 5 moves. Over a year it ranged from 12.3 keys to 99.5 keys (down 86.0%). Today's 14.0 keys sits at the bottom of its range: the lowest we have recorded is 12.3 keys (29 Jun 2026) and the highest 111 keys (25 Sep 2025). The price has moved 14 times since we began recording it — about once every 27 days.
Collector's Whoopee Cap