Community price on backpack.tf: 45.0 keys, last changed 2023-07-03 (3.2y ago). The live quote above, 30.5 keys, is 32% lower and last moved 3d 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
27 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.
Ethereal Essence Brain Interface sell price, 2025-09-25 to 2026-09-02: 27 observations, from 46.1 keys to 30.5 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
46.1 keys
37.7 keys
30 SEP 2025 · 22:22 UTC
47.1 keys
38.5 keys
9 OCT 2025 · 09:55 UTC
45.0 keys
40.5 keys
19 OCT 2025 · 21:48 UTC
42.8 keys
38.5 keys
25 OCT 2025 · 18:08 UTC
40.8 keys
36.7 keys
10 NOV 2025 · 02:03 UTC
43.1 keys
38.8 keys
19 NOV 2025 · 20:48 UTC
56.5 keys
35.7 keys
23 NOV 2025 · 22:50 UTC
61.6 keys
46.1 keys
3 JAN 2026 · 12:55 UTC
60.6 keys
36.6 keys
15 JAN 2026 · 12:21 UTC
51.4 keys
11.8 keys
16 MAR 2026 · 16:08 UTC
54.6 keys
25.0 keys
23 JUN 2026 · 21:14 UTC
32.6 keys
28.4 keys
30 JUN 2026 · 03:12 UTC
30.7 keys
26.7 keys
5 JUL 2026 · 23:12 UTC
32.2 keys
28.0 keys
12 JUL 2026 · 22:44 UTC
28.1 keys
24.4 keys
19 JUL 2026 · 22:44 UTC
32.5 keys
28.3 keys
29 JUL 2026 · 08:45 UTC
32.0 keys
27.9 keys
7 AUG 2026 · 05:12 UTC
9.63 keys
8.40 keys
20 AUG 2026 · 22:08 UTC
31.4 keys
27.3 keys
21 AUG 2026 · 22:09 UTC
33.4 keys
29.1 keys
22 AUG 2026 · 16:08 UTC
32.1 keys
27.9 keys
23 AUG 2026 · 20:09 UTC
34.4 keys
29.9 keys
27 AUG 2026 · 04:10 UTC
10.1 keys
8.74 keys
28 AUG 2026 · 00:09 UTC
10.0 keys
8.74 keys
29 AUG 2026 · 10:09 UTC
10.1 keys
8.75 keys
31 AUG 2026 · 18:10 UTC
32.4 keys
28.1 keys
2 SEP 2026 · 14:09 UTC
30.5 keys
26.5 keys
Price history in numbers
27 readings since 25 Sep 2025
Over the last 30 days the Ethereal Essence Brain Interface's sell price ranged from 9.63 keys to 34.4 keys and is up 216.2% after 9 moves. Over a year it ranged from 9.63 keys to 61.6 keys (down 34.0%). Today's 30.5 keys sits in the middle of its range: the lowest we have recorded is 9.63 keys (7 Aug 2026) and the highest 61.6 keys (23 Nov 2025). The price has moved 26 times since we began recording it — about once every 13 days.