Community price on backpack.tf: 14.0 keys, last changed 2026-08-09 (2mo ago). The live quote above, 12.9 keys, is 8% 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
73 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.
Smoking Brain Interface sell price, 2025-09-25 to 2026-10-10: 73 observations, from 12.4 keys to 12.4 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
12.4 keys
10.1 keys
9 OCT 2025 · 09:55 UTC
11.9 keys
10.6 keys
25 OCT 2025 · 18:08 UTC
10.7 keys
9.70 keys
29 DEC 2025 · 00:56 UTC
18.7 keys
10.5 keys
4 JAN 2026 · 02:53 UTC
18.4 keys
14.4 keys
22 JAN 2026 · 03:45 UTC
15.5 keys
10.5 keys
1 FEB 2026 · 23:45 UTC
14.4 keys
10.7 keys
16 FEB 2026 · 04:41 UTC
13.5 keys
10.4 keys
22 JUN 2026 · 17:13 UTC
11.7 keys
10.1 keys
5 JUL 2026 · 23:12 UTC
10.9 keys
9.50 keys
12 JUL 2026 · 10:44 UTC
11.3 keys
9.79 keys
29 JUL 2026 · 04:46 UTC
14.8 keys
12.8 keys
10 AUG 2026 · 21:12 UTC
15.4 keys
13.4 keys
22 AUG 2026 · 10:09 UTC
12.8 keys
11.1 keys
24 AUG 2026 · 00:09 UTC
9.69 keys
8.43 keys
25 AUG 2026 · 08:09 UTC
13.0 keys
11.3 keys
27 AUG 2026 · 02:10 UTC
12.7 keys
11.0 keys
27 AUG 2026 · 14:09 UTC
13.2 keys
11.5 keys
28 AUG 2026 · 22:10 UTC
12.6 keys
11.0 keys
30 AUG 2026 · 06:09 UTC
13.3 keys
11.6 keys
9 SEP 2026 · 16:09 UTC
12.5 keys
10.9 keys
10 SEP 2026 · 02:09 UTC
12.6 keys
11.0 keys
12 SEP 2026 · 02:08 UTC
12.8 keys
11.1 keys
14 SEP 2026 · 14:08 UTC
12.6 keys
11.0 keys
15 SEP 2026 · 18:09 UTC
12.9 keys
11.2 keys
18 SEP 2026 · 16:07 UTC
12.8 keys
11.2 keys
20 SEP 2026 · 02:09 UTC
13.0 keys
11.3 keys
22 SEP 2026 · 00:09 UTC
13.1 keys
11.4 keys
23 SEP 2026 · 10:08 UTC
13.3 keys
11.6 keys
26 SEP 2026 · 00:08 UTC
13.0 keys
11.3 keys
26 SEP 2026 · 20:10 UTC
12.8 keys
11.1 keys
30 SEP 2026 · 22:09 UTC
13.2 keys
11.5 keys
5 OCT 2026 · 19:10 UTC
12.5 keys
10.8 keys
6 OCT 2026 · 03:09 UTC
11.7 keys
10.2 keys
6 OCT 2026 · 11:09 UTC
11.6 keys
10.1 keys
6 OCT 2026 · 17:09 UTC
11.7 keys
10.2 keys
6 OCT 2026 · 19:09 UTC
11.6 keys
10.1 keys
7 OCT 2026 · 03:10 UTC
9.58 keys
8.33 keys
9 OCT 2026 · 01:09 UTC
12.4 keys
10.8 keys
10 OCT 2026 · 19:10 UTC
12.4 keys
10.8 keys
Price history in numbers
73 readings since 25 Sep 2025
Over the last 30 days the Smoking Brain Interface's sell price ranged from 9.58 keys to 13.3 keys and is down 1.2% after 30 moves. Over a year it ranged from 9.58 keys to 18.7 keys (up 10.2%). Today's 12.4 keys sits in the lower third of its range: the lowest we have recorded is 9.58 keys (7 Oct 2026) and the highest 18.7 keys (29 Dec 2025). The price has moved 72 times since we began recording it — about once every 5 days.