Community price on backpack.tf: 270 keys, last changed 2025-03-07 (1.6y ago). The live quote above, 214 keys, is 21% 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
35 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.
Green Black Hole Firewall Helmet sell price, 2025-09-25 to 2026-10-08: 35 observations, from 278 keys to 222 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
278 keys
228 keys
30 SEP 2025 · 20:48 UTC
277 keys
227 keys
9 OCT 2025 · 08:31 UTC
265 keys
238 keys
19 OCT 2025 · 20:18 UTC
252 keys
227 keys
25 OCT 2025 · 16:39 UTC
240 keys
216 keys
10 NOV 2025 · 00:40 UTC
279 keys
252 keys
19 AUG 2026 · 00:33 UTC
219 keys
190 keys
20 SEP 2026 · 10:08 UTC
205 keys
178 keys
20 SEP 2026 · 16:09 UTC
208 keys
181 keys
21 SEP 2026 · 22:09 UTC
212 keys
184 keys
23 SEP 2026 · 10:07 UTC
206 keys
179 keys
24 SEP 2026 · 14:09 UTC
207 keys
180 keys
25 SEP 2026 · 02:08 UTC
210 keys
183 keys
25 SEP 2026 · 14:08 UTC
213 keys
185 keys
26 SEP 2026 · 02:08 UTC
219 keys
190 keys
26 SEP 2026 · 16:08 UTC
220 keys
192 keys
28 SEP 2026 · 12:08 UTC
221 keys
193 keys
29 SEP 2026 · 06:07 UTC
219 keys
191 keys
29 SEP 2026 · 18:08 UTC
219 keys
190 keys
30 SEP 2026 · 06:07 UTC
217 keys
188 keys
30 SEP 2026 · 18:10 UTC
215 keys
187 keys
1 OCT 2026 · 06:08 UTC
218 keys
189 keys
1 OCT 2026 · 18:08 UTC
214 keys
186 keys
2 OCT 2026 · 06:09 UTC
217 keys
188 keys
2 OCT 2026 · 19:10 UTC
217 keys
188 keys
3 OCT 2026 · 09:09 UTC
218 keys
190 keys
3 OCT 2026 · 21:10 UTC
226 keys
196 keys
4 OCT 2026 · 09:09 UTC
227 keys
197 keys
4 OCT 2026 · 23:10 UTC
229 keys
199 keys
5 OCT 2026 · 11:09 UTC
230 keys
200 keys
5 OCT 2026 · 23:09 UTC
230 keys
200 keys
6 OCT 2026 · 11:09 UTC
231 keys
201 keys
6 OCT 2026 · 23:10 UTC
230 keys
200 keys
7 OCT 2026 · 11:09 UTC
226 keys
197 keys
8 OCT 2026 · 21:10 UTC
222 keys
193 keys
Price history in numbers
35 readings since 25 Sep 2025
Over the last 30 days the Green Black Hole Firewall Helmet's sell price ranged from 205 keys to 231 keys and is up 8.1% after 27 moves. Over a year it ranged from 205 keys to 279 keys (down 11.9%). Today's 222 keys sits in the lower third of its range: the lowest we have recorded is 205 keys (20 Sep 2026) and the highest 279 keys (10 Nov 2025). The price has moved 34 times since we began recording it — about once every 11 days.