Community price on backpack.tf: 300 keys, last changed 2026-04-21 (5mo ago). The live quote above, 204 keys, is 32% lower and last moved 3h 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
19 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.
Green Energy Plumber's Cap sell price, 2025-09-25 to 2026-09-05: 19 observations, from 158 keys to 204 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
158 keys
129 keys
30 SEP 2025 · 21:49 UTC
158 keys
129 keys
9 OCT 2025 · 09:28 UTC
151 keys
136 keys
19 OCT 2025 · 21:18 UTC
144 keys
129 keys
25 OCT 2025 · 17:38 UTC
137 keys
123 keys
10 NOV 2025 · 01:38 UTC
140 keys
126 keys
23 JUN 2026 · 09:14 UTC
163 keys
142 keys
29 JUN 2026 · 01:14 UTC
166 keys
145 keys
5 JUL 2026 · 23:12 UTC
158 keys
137 keys
16 JUL 2026 · 14:43 UTC
164 keys
143 keys
29 JUL 2026 · 06:44 UTC
160 keys
139 keys
3 AUG 2026 · 00:24 UTC
176 keys
153 keys
10 AUG 2026 · 13:10 UTC
177 keys
154 keys
19 AUG 2026 · 14:10 UTC
165 keys
143 keys
27 AUG 2026 · 22:09 UTC
42.2 keys
36.7 keys
28 AUG 2026 · 11:23 UTC
42.4 keys
36.9 keys
29 AUG 2026 · 16:09 UTC
42.6 keys
37.1 keys
3 SEP 2026 · 14:08 UTC
196 keys
170 keys
5 SEP 2026 · 16:08 UTC
204 keys
178 keys
Price history in numbers
19 readings since 25 Sep 2025
Over the last 30 days the Green Energy Plumber's Cap's sell price ranged from 42.2 keys to 204 keys and is up 15.3% after 6 moves. Over a year it ranged from 42.2 keys to 204 keys (up 29.1%). Today's 204 keys sits at the top of its range: the lowest we have recorded is 42.2 keys (27 Aug 2026) and the highest 204 keys (5 Sep 2026). The price has moved 18 times since we began recording it — about once every 19 days.