Community price on backpack.tf: 100 keys, last changed 2024-01-11 (2.7y ago). The live quote above, 90.5 keys, is 10% lower and last moved 11h 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
21 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.
Phosphorous Cyborg Stunt Helmet sell price, 2025-09-25 to 2026-09-05: 21 observations, from 103 keys to 90.5 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
103 keys
84.4 keys
30 SEP 2025 · 21:04 UTC
103 keys
84.3 keys
9 OCT 2025 · 08:46 UTC
98.6 keys
88.6 keys
19 OCT 2025 · 20:34 UTC
93.7 keys
84.3 keys
25 OCT 2025 · 16:56 UTC
89.2 keys
80.4 keys
10 NOV 2025 · 00:57 UTC
91.6 keys
82.4 keys
22 JUN 2026 · 17:13 UTC
40.3 keys
35.0 keys
29 JUN 2026 · 01:14 UTC
67.7 keys
58.9 keys
5 JUL 2026 · 23:12 UTC
64.0 keys
55.7 keys
12 JUL 2026 · 22:44 UTC
64.7 keys
56.2 keys
19 JUL 2026 · 22:44 UTC
66.8 keys
58.1 keys
29 JUL 2026 · 02:45 UTC
69.7 keys
60.6 keys
3 AUG 2026 · 00:24 UTC
72.6 keys
63.0 keys
11 AUG 2026 · 11:11 UTC
71.9 keys
62.5 keys
18 AUG 2026 · 07:10 UTC
72.0 keys
62.6 keys
29 AUG 2026 · 16:09 UTC
71.6 keys
62.3 keys
29 AUG 2026 · 20:09 UTC
71.6 keys
62.3 keys
31 AUG 2026 · 06:09 UTC
71.6 keys
62.3 keys
2 SEP 2026 · 12:08 UTC
73.9 keys
64.3 keys
4 SEP 2026 · 18:08 UTC
89.8 keys
78.1 keys
5 SEP 2026 · 06:08 UTC
90.5 keys
78.7 keys
Price history in numbers
21 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Cyborg Stunt Helmet's sell price ranged from 71.6 keys to 90.5 keys and is up 25.9% after 7 moves. Over a year it ranged from 40.3 keys to 103 keys (down 12.4%). Today's 90.5 keys sits in the upper third of its range: the lowest we have recorded is 40.3 keys (22 Jun 2026) and the highest 103 keys (25 Sep 2025). The price has moved 20 times since we began recording it — about once every 17 days.