Community price on backpack.tf: 40.0 keys, last changed 2015-07-25 (11.2y ago). The live quote above, 108 keys, is 169% higher and last moved 11d 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
35 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 Virus Doctor sell price, 2025-09-25 to 2026-10-09: 35 observations, from 41.0 keys to 120 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
41.0 keys
33.5 keys
30 SEP 2025 · 20:49 UTC
41.0 keys
33.6 keys
9 OCT 2025 · 08:32 UTC
39.2 keys
35.3 keys
19 OCT 2025 · 20:19 UTC
37.3 keys
33.6 keys
25 OCT 2025 · 16:40 UTC
35.5 keys
32.0 keys
10 NOV 2025 · 00:41 UTC
36.4 keys
32.8 keys
22 JUN 2026 · 17:13 UTC
40.9 keys
35.5 keys
3 JUL 2026 · 05:12 UTC
39.3 keys
34.2 keys
23 JUL 2026 · 20:44 UTC
25.3 keys
22.0 keys
3 AUG 2026 · 17:12 UTC
54.7 keys
47.5 keys
9 AUG 2026 · 19:12 UTC
54.6 keys
47.5 keys
29 AUG 2026 · 08:09 UTC
44.4 keys
38.6 keys
11 SEP 2026 · 06:08 UTC
108 keys
94.0 keys
19 SEP 2026 · 14:08 UTC
71.9 keys
62.5 keys
21 SEP 2026 · 02:11 UTC
78.1 keys
67.9 keys
21 SEP 2026 · 22:09 UTC
81.8 keys
71.1 keys
28 SEP 2026 · 10:08 UTC
106 keys
92.6 keys
29 SEP 2026 · 06:07 UTC
109 keys
94.5 keys
29 SEP 2026 · 18:08 UTC
110 keys
95.3 keys
1 OCT 2026 · 08:08 UTC
108 keys
94.1 keys
1 OCT 2026 · 20:08 UTC
108 keys
93.6 keys
2 OCT 2026 · 09:09 UTC
109 keys
95.0 keys
2 OCT 2026 · 21:08 UTC
110 keys
95.8 keys
3 OCT 2026 · 09:09 UTC
111 keys
96.4 keys
3 OCT 2026 · 21:10 UTC
113 keys
98.3 keys
4 OCT 2026 · 09:09 UTC
114 keys
99.1 keys
4 OCT 2026 · 23:10 UTC
115 keys
100 keys
5 OCT 2026 · 11:09 UTC
115 keys
100 keys
5 OCT 2026 · 23:09 UTC
116 keys
101 keys
6 OCT 2026 · 11:09 UTC
116 keys
101 keys
6 OCT 2026 · 23:10 UTC
116 keys
101 keys
7 OCT 2026 · 11:09 UTC
115 keys
99.7 keys
7 OCT 2026 · 23:10 UTC
117 keys
102 keys
9 OCT 2026 · 07:09 UTC
119 keys
103 keys
9 OCT 2026 · 19:10 UTC
120 keys
104 keys
Price history in numbers
35 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Virus Doctor's sell price ranged from 71.9 keys to 120 keys and is up 66.5% after 21 moves. Over a year it ranged from 25.3 keys to 120 keys (up 221.3%). Today's 120 keys sits at the top of its range: the lowest we have recorded is 25.3 keys (23 Jul 2026) and the highest 120 keys (9 Oct 2026). The price has moved 34 times since we began recording it — about once every 11 days.