Community price on backpack.tf: 40.0 keys, last changed 2015-07-25 (11.1y ago). The live quote above, 43.2 keys, is 8% higher and last moved 7d 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
12 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 2026-08-29: 12 observations, from 39.9 keys to 43.2 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
39.9 keys
32.6 keys
30 SEP 2025 · 20:49 UTC
39.9 keys
32.6 keys
9 OCT 2025 · 08:32 UTC
38.1 keys
34.3 keys
19 OCT 2025 · 20:19 UTC
36.3 keys
32.6 keys
25 OCT 2025 · 16:40 UTC
34.5 keys
31.1 keys
10 NOV 2025 · 00:41 UTC
35.4 keys
31.9 keys
22 JUN 2026 · 17:13 UTC
39.8 keys
34.6 keys
3 JUL 2026 · 05:12 UTC
38.2 keys
33.2 keys
23 JUL 2026 · 20:44 UTC
24.6 keys
21.4 keys
3 AUG 2026 · 17:12 UTC
53.2 keys
46.2 keys
9 AUG 2026 · 19:12 UTC
53.0 keys
46.2 keys
29 AUG 2026 · 08:09 UTC
43.2 keys
37.5 keys
Price history in numbers
12 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Virus Doctor's sell price ranged from 43.2 keys to 53.0 keys and is down 18.6% after 1 move. Over a year it ranged from 24.6 keys to 53.2 keys (up 8.3%). Today's 43.2 keys sits in the middle of its range: the lowest we have recorded is 24.6 keys (23 Jul 2026) and the highest 53.2 keys (3 Aug 2026). The price has moved 11 times since we began recording it — about once every 31 days.