Community price on backpack.tf: 115 keys, last changed 2023-08-17 (3.1y ago). The live quote above, 74.0 keys, is 36% lower and last moved 2d 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 1h ago.
Price history
28 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 Human Cannonball sell price, 2025-09-25 to 2026-09-03: 28 observations, from 118 keys to 74.0 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
118 keys
96.6 keys
30 SEP 2025 · 20:08 UTC
119 keys
97.3 keys
9 OCT 2025 · 07:52 UTC
114 keys
102 keys
19 OCT 2025 · 19:38 UTC
108 keys
97.3 keys
25 OCT 2025 · 15:55 UTC
103 keys
92.7 keys
9 NOV 2025 · 23:56 UTC
106 keys
95.1 keys
23 JUN 2026 · 07:13 UTC
50.9 keys
44.3 keys
29 JUN 2026 · 01:14 UTC
68.3 keys
59.3 keys
5 JUL 2026 · 23:12 UTC
63.3 keys
55.0 keys
12 JUL 2026 · 22:44 UTC
63.7 keys
55.4 keys
19 JUL 2026 · 22:44 UTC
66.5 keys
57.8 keys
29 JUL 2026 · 02:45 UTC
69.3 keys
60.2 keys
3 AUG 2026 · 00:24 UTC
71.3 keys
62.0 keys
10 AUG 2026 · 01:11 UTC
71.7 keys
62.3 keys
21 AUG 2026 · 00:08 UTC
52.6 keys
45.7 keys
22 AUG 2026 · 04:08 UTC
52.5 keys
45.7 keys
23 AUG 2026 · 04:09 UTC
52.6 keys
45.8 keys
24 AUG 2026 · 04:09 UTC
52.2 keys
45.4 keys
24 AUG 2026 · 22:09 UTC
52.4 keys
45.5 keys
26 AUG 2026 · 02:09 UTC
52.4 keys
45.5 keys
27 AUG 2026 · 04:10 UTC
52.9 keys
46.0 keys
27 AUG 2026 · 18:08 UTC
57.5 keys
50.0 keys
29 AUG 2026 · 16:09 UTC
63.9 keys
55.6 keys
30 AUG 2026 · 04:09 UTC
65.0 keys
56.6 keys
30 AUG 2026 · 20:09 UTC
72.4 keys
62.9 keys
1 SEP 2026 · 06:08 UTC
72.6 keys
63.1 keys
1 SEP 2026 · 18:08 UTC
73.8 keys
64.1 keys
3 SEP 2026 · 08:08 UTC
74.0 keys
64.4 keys
Price history in numbers
28 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Human Cannonball's sell price ranged from 52.2 keys to 74.0 keys and is up 3.3% after 14 moves. Over a year it ranged from 50.9 keys to 119 keys (down 37.3%). Today's 74.0 keys sits in the middle of its range: the lowest we have recorded is 50.9 keys (23 Jun 2026) and the highest 119 keys (30 Sep 2025). The price has moved 27 times since we began recording it — about once every 13 days.