Community price on backpack.tf: 147 keys, last changed 2026-08-11 (2mo ago). The live quote above, 131 keys, is 11% 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
110 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 Cold Killer sell price, 2025-09-25 to 2026-10-12: 110 observations, from 162 keys to 138 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
162 keys
111 keys
19 OCT 2025 · 20:10 UTC
147 keys
110 keys
22 JUN 2026 · 17:13 UTC
130 keys
113 keys
5 JUL 2026 · 23:12 UTC
129 keys
112 keys
29 JUL 2026 · 00:45 UTC
144 keys
125 keys
18 AUG 2026 · 22:33 UTC
90.8 keys
78.9 keys
26 AUG 2026 · 02:09 UTC
112 keys
97.7 keys
28 AUG 2026 · 12:07 UTC
129 keys
112 keys
29 AUG 2026 · 12:09 UTC
129 keys
112 keys
31 AUG 2026 · 00:08 UTC
131 keys
114 keys
1 SEP 2026 · 12:08 UTC
130 keys
113 keys
3 SEP 2026 · 00:08 UTC
129 keys
113 keys
4 SEP 2026 · 12:08 UTC
129 keys
112 keys
5 SEP 2026 · 12:10 UTC
128 keys
111 keys
7 SEP 2026 · 00:08 UTC
131 keys
114 keys
8 SEP 2026 · 12:07 UTC
130 keys
113 keys
10 SEP 2026 · 00:08 UTC
131 keys
114 keys
11 SEP 2026 · 12:08 UTC
131 keys
114 keys
12 SEP 2026 · 12:08 UTC
132 keys
114 keys
14 SEP 2026 · 00:08 UTC
133 keys
116 keys
15 SEP 2026 · 12:08 UTC
133 keys
115 keys
17 SEP 2026 · 12:08 UTC
134 keys
117 keys
18 SEP 2026 · 12:09 UTC
133 keys
116 keys
20 SEP 2026 · 00:09 UTC
134 keys
116 keys
21 SEP 2026 · 14:08 UTC
135 keys
117 keys
23 SEP 2026 · 02:08 UTC
135 keys
118 keys
24 SEP 2026 · 14:09 UTC
136 keys
118 keys
25 SEP 2026 · 14:08 UTC
136 keys
118 keys
27 SEP 2026 · 04:08 UTC
137 keys
119 keys
28 SEP 2026 · 16:08 UTC
137 keys
119 keys
30 SEP 2026 · 04:08 UTC
134 keys
117 keys
1 OCT 2026 · 16:08 UTC
131 keys
114 keys
2 OCT 2026 · 17:10 UTC
134 keys
117 keys
4 OCT 2026 · 05:09 UTC
136 keys
118 keys
5 OCT 2026 · 21:09 UTC
137 keys
120 keys
7 OCT 2026 · 09:09 UTC
134 keys
117 keys
8 OCT 2026 · 21:10 UTC
138 keys
120 keys
9 OCT 2026 · 21:09 UTC
138 keys
120 keys
11 OCT 2026 · 09:09 UTC
138 keys
120 keys
12 OCT 2026 · 21:08 UTC
138 keys
120 keys
Price history in numbers
110 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Cold Killer's sell price ranged from 130 keys to 138 keys and is up 5.3% after 57 moves. Over a year it ranged from 14.3 keys to 152 keys (down 5.8%). Today's 138 keys sits in the upper third of its range: the lowest we have recorded is 14.3 keys (24 Aug 2026) and the highest 162 keys (25 Sep 2025). The price has moved 109 times since we began recording it — about once every 4 days.