Community price on backpack.tf: 34.0 keys, last changed 2020-05-15 (6.3y ago). The live quote above, 62.8 keys, is 85% higher and last moved 12h 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
11 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 2026-09-05: 11 observations, from 33.8 keys to 62.8 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
33.8 keys
27.6 keys
30 SEP 2025 · 20:48 UTC
33.7 keys
27.6 keys
9 OCT 2025 · 08:31 UTC
32.2 keys
29.0 keys
19 OCT 2025 · 20:17 UTC
30.7 keys
27.6 keys
25 OCT 2025 · 16:38 UTC
29.2 keys
26.3 keys
10 NOV 2025 · 00:40 UTC
30.0 keys
26.9 keys
24 JUN 2026 · 09:14 UTC
7.55 keys
6.57 keys
28 JUL 2026 · 14:44 UTC
36.3 keys
31.5 keys
30 AUG 2026 · 04:09 UTC
31.5 keys
27.4 keys
4 SEP 2026 · 16:08 UTC
59.3 keys
51.5 keys
5 SEP 2026 · 04:08 UTC
62.8 keys
54.6 keys
Price history in numbers
11 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Plug-In Prospector's sell price ranged from 31.5 keys to 62.8 keys and is up 99.1% after 2 moves. Over a year it ranged from 7.55 keys to 62.8 keys (up 86.1%). Today's 62.8 keys sits at the top of its range: the lowest we have recorded is 7.55 keys (24 Jun 2026) and the highest 62.8 keys (5 Sep 2026). The price has moved 10 times since we began recording it — about once every 35 days.