Community price on backpack.tf: 35.0 keys, last changed 2026-04-08 (6mo ago). The live quote above, 23.4 keys, is 33% 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
17 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.
Fully Charged Brain Interface sell price, 2026-06-15 to 2026-10-10: 17 observations, from 31.5 keys to 10.6 keys.
Observed (UTC)
Sell
Buy
15 JUN 2026 · 14:07 UTC
31.5 keys
28.4 keys
23 JUN 2026 · 13:13 UTC
18.6 keys
16.2 keys
30 JUL 2026 · 16:44 UTC
20.3 keys
17.6 keys
5 AUG 2026 · 05:12 UTC
28.9 keys
25.1 keys
11 AUG 2026 · 17:12 UTC
30.1 keys
26.2 keys
28 AUG 2026 · 16:09 UTC
27.3 keys
23.7 keys
31 AUG 2026 · 08:09 UTC
9.96 keys
8.66 keys
2 SEP 2026 · 00:09 UTC
27.7 keys
24.1 keys
2 SEP 2026 · 18:09 UTC
33.0 keys
28.7 keys
11 SEP 2026 · 18:09 UTC
31.4 keys
27.3 keys
13 SEP 2026 · 18:08 UTC
23.5 keys
20.4 keys
21 SEP 2026 · 10:11 UTC
20.4 keys
17.7 keys
1 OCT 2026 · 08:09 UTC
23.4 keys
20.3 keys
2 OCT 2026 · 02:09 UTC
23.3 keys
20.3 keys
7 OCT 2026 · 07:10 UTC
9.39 keys
8.17 keys
8 OCT 2026 · 05:11 UTC
9.39 keys
8.16 keys
10 OCT 2026 · 11:09 UTC
10.6 keys
9.25 keys
Price history in numbers
17 readings since 15 Jun 2026
Over the last 30 days the Fully Charged Brain Interface's sell price ranged from 9.39 keys to 23.5 keys and is down 54.7% after 6 moves. Over a year it ranged from 9.39 keys to 33.0 keys (down 66.3%). Today's 10.6 keys sits in the lower third of its range: the lowest we have recorded is 9.39 keys (8 Oct 2026) and the highest 33.0 keys (2 Sep 2026). The price has moved 16 times since we began recording it — about once every 7 days.