Community price on backpack.tf: 350 keys, last changed 2021-03-12 (5.6y ago). The live quote above, 289 keys, is 17% lower and last moved 23d 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
21 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 Brainiac Hairpiece sell price, 2025-09-25 to 2026-10-07: 21 observations, from 353 keys to 114 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
353 keys
289 keys
30 SEP 2025 · 21:07 UTC
353 keys
289 keys
9 OCT 2025 · 08:48 UTC
337 keys
303 keys
19 OCT 2025 · 20:37 UTC
321 keys
289 keys
25 OCT 2025 · 16:58 UTC
305 keys
275 keys
10 NOV 2025 · 00:59 UTC
335 keys
302 keys
8 JUL 2026 · 07:12 UTC
350 keys
305 keys
18 JUL 2026 · 20:44 UTC
367 keys
319 keys
29 JUL 2026 · 06:44 UTC
401 keys
349 keys
7 AUG 2026 · 03:13 UTC
395 keys
343 keys
14 AUG 2026 · 07:12 UTC
391 keys
340 keys
13 SEP 2026 · 00:08 UTC
273 keys
238 keys
13 SEP 2026 · 12:08 UTC
274 keys
238 keys
15 SEP 2026 · 12:08 UTC
114 keys
99.3 keys
19 SEP 2026 · 10:08 UTC
289 keys
251 keys
19 SEP 2026 · 22:10 UTC
288 keys
251 keys
20 SEP 2026 · 10:08 UTC
289 keys
251 keys
4 OCT 2026 · 09:09 UTC
303 keys
264 keys
5 OCT 2026 · 19:10 UTC
267 keys
232 keys
6 OCT 2026 · 07:09 UTC
266 keys
231 keys
7 OCT 2026 · 11:09 UTC
114 keys
99.5 keys
Price history in numbers
21 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Brainiac Hairpiece's sell price ranged from 114 keys to 303 keys and is down 58.2% after 8 moves. Over a year it ranged from 114 keys to 401 keys (down 64.3%). Today's 114 keys sits at the bottom of its range: the lowest we have recorded is 114 keys (15 Sep 2026) and the highest 401 keys (29 Jul 2026). The price has moved 20 times since we began recording it — about once every 19 days.