Community price on backpack.tf: 105 keys, last changed 2023-11-12 (2.8y ago). The live quote above, 114 keys, is 8% higher and last moved 4h 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
43 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.
Purple Energy Virus Doctor sell price, 2025-09-25 to 2026-09-05: 43 observations, from 109 keys to 114 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
109 keys
88.9 keys
30 SEP 2025 · 20:49 UTC
108 keys
88.7 keys
9 OCT 2025 · 08:32 UTC
104 keys
93.3 keys
19 OCT 2025 · 20:19 UTC
98.6 keys
88.7 keys
25 OCT 2025 · 16:40 UTC
93.9 keys
84.5 keys
10 NOV 2025 · 00:41 UTC
96.3 keys
86.7 keys
22 JUN 2026 · 17:13 UTC
117 keys
101 keys
5 JUL 2026 · 23:12 UTC
116 keys
101 keys
12 JUL 2026 · 22:44 UTC
117 keys
102 keys
19 JUL 2026 · 22:44 UTC
122 keys
106 keys
29 JUL 2026 · 00:45 UTC
127 keys
110 keys
3 AUG 2026 · 00:24 UTC
132 keys
114 keys
10 AUG 2026 · 01:11 UTC
134 keys
116 keys
21 AUG 2026 · 02:08 UTC
83.6 keys
72.7 keys
21 AUG 2026 · 14:08 UTC
83.6 keys
72.7 keys
22 AUG 2026 · 02:08 UTC
83.5 keys
72.6 keys
22 AUG 2026 · 14:08 UTC
83.6 keys
72.7 keys
23 AUG 2026 · 02:09 UTC
84.0 keys
73.1 keys
23 AUG 2026 · 14:09 UTC
84.1 keys
73.2 keys
24 AUG 2026 · 02:09 UTC
87.1 keys
75.7 keys
25 AUG 2026 · 14:09 UTC
91.9 keys
79.9 keys
26 AUG 2026 · 22:09 UTC
91.1 keys
79.2 keys
27 AUG 2026 · 12:08 UTC
92.2 keys
80.2 keys
28 AUG 2026 · 00:09 UTC
92.9 keys
80.8 keys
28 AUG 2026 · 12:07 UTC
93.9 keys
81.6 keys
29 AUG 2026 · 00:09 UTC
94.5 keys
82.2 keys
29 AUG 2026 · 12:09 UTC
94.9 keys
82.5 keys
30 AUG 2026 · 00:09 UTC
95.5 keys
83.1 keys
30 AUG 2026 · 12:08 UTC
104 keys
90.5 keys
31 AUG 2026 · 00:08 UTC
105 keys
91.5 keys
31 AUG 2026 · 12:09 UTC
107 keys
93.1 keys
1 SEP 2026 · 00:09 UTC
107 keys
93.1 keys
1 SEP 2026 · 12:08 UTC
109 keys
94.5 keys
2 SEP 2026 · 12:08 UTC
108 keys
94.3 keys
3 SEP 2026 · 00:08 UTC
110 keys
96.0 keys
3 SEP 2026 · 12:09 UTC
111 keys
96.2 keys
4 SEP 2026 · 00:08 UTC
112 keys
97.3 keys
4 SEP 2026 · 12:08 UTC
112 keys
97.1 keys
5 SEP 2026 · 00:08 UTC
113 keys
98.0 keys
5 SEP 2026 · 12:10 UTC
114 keys
99.0 keys
Price history in numbers
43 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Virus Doctor's sell price ranged from 83.5 keys to 134 keys and is down 15.1% after 29 moves. Over a year it ranged from 83.5 keys to 134 keys (up 4.8%). Today's 114 keys sits in the middle of its range: the lowest we have recorded is 83.5 keys (22 Aug 2026) and the highest 134 keys (10 Aug 2026). The price has moved 42 times since we began recording it — about once every 8 days.