Community price on backpack.tf: 105 keys, last changed 2023-11-12 (2.9y ago). The live quote above, 128 keys, is 22% higher 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
116 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 2026-10-12: 116 observations, from 109 keys to 135 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
109 keys
89.0 keys
19 OCT 2025 · 20:19 UTC
98.8 keys
88.9 keys
22 JUN 2026 · 17:13 UTC
117 keys
102 keys
12 JUL 2026 · 22:44 UTC
117 keys
102 keys
3 AUG 2026 · 00:24 UTC
132 keys
115 keys
21 AUG 2026 · 14:08 UTC
83.8 keys
72.8 keys
23 AUG 2026 · 02:09 UTC
84.2 keys
73.2 keys
24 AUG 2026 · 16:08 UTC
91.6 keys
79.6 keys
27 AUG 2026 · 12:08 UTC
92.4 keys
80.3 keys
29 AUG 2026 · 00:09 UTC
94.7 keys
82.3 keys
30 AUG 2026 · 00:09 UTC
95.7 keys
83.2 keys
31 AUG 2026 · 12:09 UTC
107 keys
93.3 keys
2 SEP 2026 · 00:08 UTC
108 keys
94.0 keys
3 SEP 2026 · 12:09 UTC
111 keys
96.4 keys
5 SEP 2026 · 00:08 UTC
113 keys
98.2 keys
6 SEP 2026 · 12:08 UTC
123 keys
107 keys
8 SEP 2026 · 00:08 UTC
121 keys
106 keys
9 SEP 2026 · 12:09 UTC
120 keys
105 keys
11 SEP 2026 · 00:08 UTC
122 keys
106 keys
12 SEP 2026 · 12:08 UTC
123 keys
107 keys
14 SEP 2026 · 00:08 UTC
125 keys
108 keys
15 SEP 2026 · 12:08 UTC
125 keys
109 keys
17 SEP 2026 · 12:08 UTC
128 keys
111 keys
19 SEP 2026 · 00:07 UTC
128 keys
111 keys
20 SEP 2026 · 12:10 UTC
128 keys
112 keys
22 SEP 2026 · 02:08 UTC
131 keys
114 keys
23 SEP 2026 · 14:10 UTC
130 keys
113 keys
25 SEP 2026 · 02:08 UTC
132 keys
115 keys
26 SEP 2026 · 16:08 UTC
133 keys
116 keys
28 SEP 2026 · 04:08 UTC
134 keys
117 keys
29 SEP 2026 · 04:08 UTC
133 keys
116 keys
30 SEP 2026 · 16:08 UTC
131 keys
114 keys
2 OCT 2026 · 04:08 UTC
131 keys
114 keys
3 OCT 2026 · 15:10 UTC
134 keys
116 keys
5 OCT 2026 · 03:09 UTC
135 keys
117 keys
6 OCT 2026 · 15:10 UTC
135 keys
117 keys
8 OCT 2026 · 03:09 UTC
135 keys
117 keys
9 OCT 2026 · 15:10 UTC
136 keys
118 keys
11 OCT 2026 · 03:09 UTC
135 keys
118 keys
12 OCT 2026 · 17:08 UTC
135 keys
117 keys
Price history in numbers
116 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Virus Doctor's sell price ranged from 122 keys to 136 keys and is up 9.8% after 57 moves. Over a year it ranged from 83.6 keys to 136 keys (up 36.6%). Today's 135 keys sits at the top of its range: the lowest we have recorded is 83.6 keys (22 Aug 2026) and the highest 136 keys (11 Oct 2026). The price has moved 115 times since we began recording it — about once every 3 days.