Community price on backpack.tf: 90.0 keys, last changed 2024-02-06 (2.7y ago). The live quote above, 70.0 keys, is 22% lower and last moved 12d 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
17 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 Big Country sell price, 2025-09-25 to 2026-10-07: 17 observations, from 92.4 keys to 89.3 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
92.4 keys
75.6 keys
30 SEP 2025 · 20:29 UTC
93.3 keys
76.3 keys
9 OCT 2025 · 08:12 UTC
89.2 keys
80.2 keys
19 OCT 2025 · 19:58 UTC
84.8 keys
76.3 keys
25 OCT 2025 · 16:17 UTC
80.8 keys
72.7 keys
10 NOV 2025 · 00:18 UTC
82.9 keys
74.6 keys
22 JUN 2026 · 17:13 UTC
7.47 keys
6.49 keys
1 OCT 2026 · 18:08 UTC
70.0 keys
60.9 keys
2 OCT 2026 · 06:08 UTC
81.4 keys
70.8 keys
2 OCT 2026 · 19:10 UTC
81.5 keys
70.9 keys
3 OCT 2026 · 19:09 UTC
83.3 keys
72.4 keys
4 OCT 2026 · 07:09 UTC
85.3 keys
74.1 keys
4 OCT 2026 · 23:10 UTC
86.3 keys
75.1 keys
5 OCT 2026 · 11:09 UTC
86.3 keys
75.0 keys
5 OCT 2026 · 23:09 UTC
86.4 keys
75.2 keys
6 OCT 2026 · 17:09 UTC
89.6 keys
77.9 keys
7 OCT 2026 · 05:09 UTC
89.3 keys
77.7 keys
Price history in numbers
17 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Big Country's sell price ranged from 70.0 keys to 89.6 keys and is up 27.6% after 9 moves. Over a year it ranged from 7.47 keys to 89.6 keys (up 5.3%). Today's 89.3 keys sits at the top of its range: the lowest we have recorded is 7.47 keys (22 Jun 2026) and the highest 93.3 keys (30 Sep 2025). The price has moved 16 times since we began recording it — about once every 24 days.