Community price on backpack.tf: 140 keys, last changed 2025-12-06 (10mo ago). The live quote above, 93.1 keys, is 34% lower 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
20 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.
Sulphurous Virus Doctor sell price, 2025-09-25 to 2026-09-30: 20 observations, from 40.4 keys to 93.1 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
40.4 keys
29.0 keys
30 SEP 2025 · 20:49 UTC
40.4 keys
29.8 keys
9 OCT 2025 · 08:32 UTC
38.7 keys
31.3 keys
19 OCT 2025 · 20:19 UTC
36.8 keys
29.8 keys
25 OCT 2025 · 16:40 UTC
35.0 keys
28.4 keys
10 NOV 2025 · 00:41 UTC
35.9 keys
29.1 keys
22 JUN 2026 · 17:13 UTC
104 keys
90.0 keys
29 JUN 2026 · 05:13 UTC
107 keys
93.4 keys
5 JUL 2026 · 03:12 UTC
100 keys
87.0 keys
15 JUL 2026 · 14:44 UTC
105 keys
91.3 keys
29 JUL 2026 · 16:44 UTC
109 keys
94.6 keys
4 AUG 2026 · 23:12 UTC
112 keys
97.8 keys
10 AUG 2026 · 01:11 UTC
113 keys
98.3 keys
18 AUG 2026 · 22:33 UTC
110 keys
95.4 keys
28 AUG 2026 · 00:09 UTC
99.8 keys
86.8 keys
28 AUG 2026 · 12:07 UTC
96.8 keys
84.1 keys
29 AUG 2026 · 00:09 UTC
98.3 keys
85.5 keys
9 SEP 2026 · 18:08 UTC
86.0 keys
74.8 keys
19 SEP 2026 · 12:09 UTC
94.5 keys
82.2 keys
30 SEP 2026 · 04:08 UTC
93.1 keys
80.9 keys
Price history in numbers
20 readings since 25 Sep 2025
Over the last 30 days the Sulphurous Virus Doctor's sell price ranged from 93.1 keys to 94.5 keys and is down 1.6% after 1 move. Over a year it ranged from 35.0 keys to 113 keys (up 153.1%). Today's 93.1 keys sits in the upper third of its range: the lowest we have recorded is 35.0 keys (25 Oct 2025) and the highest 113 keys (10 Aug 2026). The price has moved 19 times since we began recording it — about once every 19 days.