Community price on backpack.tf: 34.0 keys, last changed 2020-05-15 (6.4y ago). The live quote above, 66.9 keys, is 97% higher 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
47 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 Plug-In Prospector sell price, 2025-09-25 to 2026-10-12: 47 observations, from 34.4 keys to 69.6 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
34.4 keys
28.1 keys
30 SEP 2025 · 20:48 UTC
34.4 keys
28.1 keys
9 OCT 2025 · 08:31 UTC
32.9 keys
29.5 keys
25 OCT 2025 · 16:38 UTC
29.8 keys
26.8 keys
10 NOV 2025 · 00:40 UTC
30.5 keys
27.5 keys
24 JUN 2026 · 09:14 UTC
7.69 keys
6.69 keys
28 JUL 2026 · 14:44 UTC
37.0 keys
32.1 keys
30 AUG 2026 · 04:09 UTC
32.2 keys
28.0 keys
4 SEP 2026 · 16:08 UTC
60.4 keys
52.5 keys
5 SEP 2026 · 16:08 UTC
64.3 keys
55.9 keys
6 SEP 2026 · 04:10 UTC
63.5 keys
55.2 keys
6 SEP 2026 · 16:10 UTC
63.7 keys
55.4 keys
7 SEP 2026 · 04:08 UTC
65.0 keys
56.5 keys
7 SEP 2026 · 16:07 UTC
65.3 keys
56.8 keys
9 SEP 2026 · 08:09 UTC
64.3 keys
55.9 keys
10 SEP 2026 · 10:09 UTC
65.0 keys
56.5 keys
10 SEP 2026 · 22:08 UTC
65.3 keys
56.8 keys
11 SEP 2026 · 10:08 UTC
65.2 keys
56.7 keys
11 SEP 2026 · 22:08 UTC
65.7 keys
57.1 keys
12 SEP 2026 · 10:08 UTC
65.7 keys
57.2 keys
15 SEP 2026 · 18:08 UTC
66.2 keys
57.6 keys
19 SEP 2026 · 04:07 UTC
66.7 keys
58.0 keys
20 SEP 2026 · 10:08 UTC
66.6 keys
57.9 keys
21 SEP 2026 · 10:10 UTC
67.1 keys
58.3 keys
23 SEP 2026 · 00:08 UTC
67.3 keys
58.5 keys
23 SEP 2026 · 12:07 UTC
66.9 keys
58.2 keys
28 SEP 2026 · 02:08 UTC
68.2 keys
59.3 keys
28 SEP 2026 · 14:07 UTC
68.4 keys
59.5 keys
30 SEP 2026 · 00:08 UTC
66.9 keys
58.2 keys
30 SEP 2026 · 12:08 UTC
66.9 keys
58.2 keys
2 OCT 2026 · 06:09 UTC
66.8 keys
58.1 keys
3 OCT 2026 · 07:11 UTC
67.7 keys
58.9 keys
3 OCT 2026 · 19:09 UTC
68.8 keys
59.8 keys
4 OCT 2026 · 07:09 UTC
68.9 keys
59.9 keys
5 OCT 2026 · 05:08 UTC
69.6 keys
60.5 keys
5 OCT 2026 · 17:09 UTC
70.0 keys
60.9 keys
7 OCT 2026 · 03:09 UTC
69.7 keys
60.6 keys
8 OCT 2026 · 23:10 UTC
69.9 keys
60.8 keys
11 OCT 2026 · 21:08 UTC
69.3 keys
60.3 keys
12 OCT 2026 · 15:08 UTC
69.6 keys
60.5 keys
Price history in numbers
47 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Plug-In Prospector's sell price ranged from 65.6 keys to 70.0 keys and is up 6.0% after 23 moves. Over a year it ranged from 7.69 keys to 70.0 keys (up 122.6%). Today's 69.6 keys sits at the top of its range: the lowest we have recorded is 7.69 keys (24 Jun 2026) and the highest 70.0 keys (5 Oct 2026). The price has moved 46 times since we began recording it — about once every 8 days.