Community price on backpack.tf: 115 keys, last changed 2023-08-17 (3.2y ago). The live quote above, 73.9 keys, is 36% lower and last moved 13d 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
66 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 2026-10-13: 66 observations, from 116 keys to 75.6 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
116 keys
94.9 keys
9 OCT 2025 · 07:52 UTC
112 keys
101 keys
19 OCT 2025 · 19:38 UTC
106 keys
95.6 keys
9 NOV 2025 · 23:56 UTC
104 keys
93.4 keys
29 JUN 2026 · 01:14 UTC
67.1 keys
58.3 keys
5 JUL 2026 · 23:12 UTC
62.2 keys
54.1 keys
19 JUL 2026 · 22:44 UTC
65.3 keys
56.8 keys
3 AUG 2026 · 00:24 UTC
70.0 keys
60.9 keys
10 AUG 2026 · 01:11 UTC
70.4 keys
61.2 keys
22 AUG 2026 · 04:08 UTC
51.6 keys
44.9 keys
24 AUG 2026 · 04:09 UTC
51.3 keys
44.6 keys
24 AUG 2026 · 22:09 UTC
51.4 keys
44.7 keys
27 AUG 2026 · 04:10 UTC
52.0 keys
45.2 keys
29 AUG 2026 · 16:09 UTC
62.8 keys
54.6 keys
30 AUG 2026 · 04:09 UTC
63.9 keys
55.6 keys
1 SEP 2026 · 06:08 UTC
71.3 keys
62.0 keys
3 SEP 2026 · 08:08 UTC
72.7 keys
63.2 keys
5 SEP 2026 · 20:08 UTC
71.4 keys
62.1 keys
6 SEP 2026 · 22:08 UTC
72.6 keys
63.1 keys
8 SEP 2026 · 04:09 UTC
71.6 keys
62.3 keys
8 SEP 2026 · 20:08 UTC
71.4 keys
62.0 keys
11 SEP 2026 · 12:08 UTC
71.9 keys
62.5 keys
18 SEP 2026 · 20:07 UTC
72.9 keys
63.4 keys
22 SEP 2026 · 06:08 UTC
73.3 keys
63.7 keys
23 SEP 2026 · 22:10 UTC
73.7 keys
64.1 keys
26 SEP 2026 · 08:08 UTC
74.5 keys
64.8 keys
26 SEP 2026 · 22:09 UTC
73.4 keys
63.8 keys
29 SEP 2026 · 02:08 UTC
74.4 keys
64.7 keys
2 OCT 2026 · 02:08 UTC
73.1 keys
63.6 keys
5 OCT 2026 · 19:10 UTC
77.8 keys
67.6 keys
9 OCT 2026 · 17:09 UTC
74.9 keys
65.1 keys
10 OCT 2026 · 01:09 UTC
75.4 keys
65.6 keys
10 OCT 2026 · 05:11 UTC
75.4 keys
65.5 keys
10 OCT 2026 · 09:08 UTC
75.6 keys
65.7 keys
10 OCT 2026 · 15:09 UTC
75.7 keys
65.8 keys
10 OCT 2026 · 19:09 UTC
75.6 keys
65.7 keys
10 OCT 2026 · 23:09 UTC
75.8 keys
65.9 keys
11 OCT 2026 · 13:08 UTC
75.9 keys
66.0 keys
12 OCT 2026 · 01:08 UTC
75.3 keys
65.5 keys
13 OCT 2026 · 01:08 UTC
75.6 keys
65.7 keys
Price history in numbers
66 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Human Cannonball's sell price ranged from 72.9 keys to 77.8 keys and is up 3.7% after 28 moves. Over a year it ranged from 50.1 keys to 106 keys (down 28.9%). Today's 75.6 keys sits in the middle of its range: the lowest we have recorded is 50.1 keys (23 Jun 2026) and the highest 117 keys (30 Sep 2025). The price has moved 65 times since we began recording it — about once every 6 days.