Community price on backpack.tf: 325 keys, last changed 2024-05-01 (2.3y ago). The live quote above, 231 keys, is 29% lower and last moved 2d 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
24 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.
Frozen Icefall Brain Interface sell price, 2025-09-25 to 2026-09-04: 24 observations, from 332 keys to 231 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
332 keys
272 keys
30 SEP 2025 · 22:22 UTC
332 keys
271 keys
9 OCT 2025 · 09:55 UTC
317 keys
285 keys
19 OCT 2025 · 21:48 UTC
301 keys
271 keys
25 OCT 2025 · 18:08 UTC
287 keys
258 keys
10 NOV 2025 · 02:03 UTC
294 keys
265 keys
23 JUN 2026 · 05:13 UTC
147 keys
128 keys
29 JUN 2026 · 07:13 UTC
152 keys
132 keys
8 JUL 2026 · 11:11 UTC
212 keys
184 keys
19 JUL 2026 · 22:44 UTC
224 keys
195 keys
29 JUL 2026 · 08:45 UTC
230 keys
200 keys
3 AUG 2026 · 06:24 UTC
236 keys
205 keys
10 AUG 2026 · 13:10 UTC
243 keys
212 keys
20 AUG 2026 · 22:08 UTC
237 keys
206 keys
21 AUG 2026 · 20:09 UTC
237 keys
206 keys
24 AUG 2026 · 18:09 UTC
236 keys
205 keys
26 AUG 2026 · 06:09 UTC
237 keys
206 keys
27 AUG 2026 · 02:10 UTC
10.0 keys
8.71 keys
27 AUG 2026 · 16:09 UTC
10.0 keys
8.72 keys
28 AUG 2026 · 07:13 UTC
10.0 keys
8.72 keys
29 AUG 2026 · 08:09 UTC
10.0 keys
8.72 keys
31 AUG 2026 · 20:11 UTC
234 keys
204 keys
3 SEP 2026 · 00:08 UTC
231 keys
201 keys
4 SEP 2026 · 04:09 UTC
231 keys
201 keys
Price history in numbers
24 readings since 25 Sep 2025
Over the last 30 days the Frozen Icefall Brain Interface's sell price ranged from 10.0 keys to 243 keys and is down 5.0% after 11 moves. Over a year it ranged from 10.0 keys to 332 keys (down 30.4%). Today's 231 keys sits in the upper third of its range: the lowest we have recorded is 10.0 keys (27 Aug 2026) and the highest 332 keys (25 Sep 2025). The price has moved 23 times since we began recording it — about once every 15 days.