Community price on backpack.tf: 183 keys, last changed 2026-08-11 (2mo ago). The live quote above, 158 keys, is 14% lower 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
134 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 Das Maddendoktor sell price, 2025-09-25 to 2026-10-12: 134 observations, from 162 keys to 166 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
162 keys
132 keys
19 OCT 2025 · 20:24 UTC
147 keys
132 keys
22 MAY 2026 · 20:29 UTC
174 keys
146 keys
29 JUN 2026 · 03:14 UTC
139 keys
121 keys
29 JUL 2026 · 00:45 UTC
143 keys
125 keys
18 AUG 2026 · 22:33 UTC
132 keys
115 keys
24 AUG 2026 · 16:08 UTC
132 keys
114 keys
25 AUG 2026 · 04:09 UTC
132 keys
115 keys
25 AUG 2026 · 12:08 UTC
132 keys
115 keys
25 AUG 2026 · 22:09 UTC
132 keys
115 keys
27 AUG 2026 · 00:09 UTC
133 keys
115 keys
29 AUG 2026 · 00:09 UTC
133 keys
116 keys
30 AUG 2026 · 12:08 UTC
136 keys
118 keys
31 AUG 2026 · 10:09 UTC
148 keys
129 keys
1 SEP 2026 · 04:09 UTC
146 keys
127 keys
1 SEP 2026 · 18:08 UTC
149 keys
130 keys
3 SEP 2026 · 10:08 UTC
152 keys
132 keys
4 SEP 2026 · 22:08 UTC
152 keys
132 keys
6 SEP 2026 · 10:08 UTC
158 keys
137 keys
8 SEP 2026 · 10:08 UTC
153 keys
133 keys
9 SEP 2026 · 22:08 UTC
155 keys
135 keys
11 SEP 2026 · 22:08 UTC
157 keys
137 keys
13 SEP 2026 · 10:09 UTC
157 keys
137 keys
14 SEP 2026 · 22:08 UTC
159 keys
138 keys
16 SEP 2026 · 22:08 UTC
161 keys
140 keys
18 SEP 2026 · 10:08 UTC
158 keys
138 keys
20 SEP 2026 · 10:08 UTC
160 keys
139 keys
22 SEP 2026 · 00:09 UTC
162 keys
141 keys
23 SEP 2026 · 12:07 UTC
161 keys
140 keys
25 SEP 2026 · 12:08 UTC
162 keys
141 keys
27 SEP 2026 · 02:09 UTC
164 keys
143 keys
29 SEP 2026 · 02:08 UTC
163 keys
142 keys
30 SEP 2026 · 14:08 UTC
161 keys
140 keys
2 OCT 2026 · 17:10 UTC
161 keys
140 keys
4 OCT 2026 · 05:09 UTC
163 keys
141 keys
5 OCT 2026 · 21:09 UTC
165 keys
143 keys
7 OCT 2026 · 21:10 UTC
164 keys
143 keys
9 OCT 2026 · 09:08 UTC
165 keys
144 keys
11 OCT 2026 · 09:09 UTC
165 keys
144 keys
12 OCT 2026 · 21:08 UTC
166 keys
144 keys
Price history in numbers
134 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Das Maddendoktor's sell price ranged from 157 keys to 166 keys and is up 5.2% after 58 moves. Over a year it ranged from 129 keys to 174 keys (up 12.8%). Today's 166 keys sits in the upper third of its range: the lowest we have recorded is 129 keys (23 Jun 2026) and the highest 174 keys (22 May 2026). The price has moved 133 times since we began recording it — about once every 3 days.
Collector's A Brush with Death