Community price on backpack.tf: 300 keys, last changed 2024-01-02 (2.8y ago). The live quote above, 216 keys, is 28% lower and last moved 11d 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
71 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.
Massed Flies Soldered Sensei sell price, 2025-09-25 to 2026-10-07: 71 observations, from 308 keys to 245 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
308 keys
252 keys
9 OCT 2025 · 08:27 UTC
294 keys
265 keys
25 OCT 2025 · 16:34 UTC
266 keys
240 keys
10 NOV 2025 · 00:35 UTC
273 keys
246 keys
29 JUN 2026 · 01:14 UTC
224 keys
195 keys
11 JUL 2026 · 16:44 UTC
107 keys
93.4 keys
3 AUG 2026 · 00:24 UTC
237 keys
206 keys
21 AUG 2026 · 10:09 UTC
95.0 keys
82.6 keys
21 AUG 2026 · 22:09 UTC
94.8 keys
82.4 keys
29 AUG 2026 · 14:09 UTC
94.8 keys
82.4 keys
1 SEP 2026 · 12:08 UTC
93.0 keys
80.9 keys
2 SEP 2026 · 14:08 UTC
92.2 keys
80.2 keys
3 SEP 2026 · 14:08 UTC
92.0 keys
80.0 keys
4 SEP 2026 · 02:08 UTC
92.9 keys
80.8 keys
5 SEP 2026 · 06:08 UTC
91.6 keys
79.6 keys
8 SEP 2026 · 14:07 UTC
111 keys
96.7 keys
10 SEP 2026 · 10:09 UTC
231 keys
201 keys
11 SEP 2026 · 16:09 UTC
234 keys
204 keys
12 SEP 2026 · 04:09 UTC
235 keys
204 keys
13 SEP 2026 · 04:08 UTC
235 keys
204 keys
14 SEP 2026 · 08:08 UTC
237 keys
206 keys
15 SEP 2026 · 18:08 UTC
238 keys
207 keys
16 SEP 2026 · 06:07 UTC
238 keys
207 keys
17 SEP 2026 · 18:08 UTC
241 keys
210 keys
19 SEP 2026 · 22:10 UTC
241 keys
209 keys
22 SEP 2026 · 06:09 UTC
242 keys
210 keys
23 SEP 2026 · 06:08 UTC
243 keys
211 keys
23 SEP 2026 · 18:10 UTC
242 keys
211 keys
29 SEP 2026 · 10:08 UTC
220 keys
191 keys
29 SEP 2026 · 18:08 UTC
220 keys
191 keys
30 SEP 2026 · 10:07 UTC
218 keys
190 keys
30 SEP 2026 · 14:08 UTC
217 keys
189 keys
1 OCT 2026 · 10:08 UTC
218 keys
189 keys
1 OCT 2026 · 16:08 UTC
213 keys
186 keys
2 OCT 2026 · 09:09 UTC
218 keys
190 keys
3 OCT 2026 · 09:09 UTC
221 keys
192 keys
4 OCT 2026 · 09:09 UTC
234 keys
203 keys
4 OCT 2026 · 21:08 UTC
237 keys
206 keys
5 OCT 2026 · 21:09 UTC
241 keys
210 keys
7 OCT 2026 · 03:09 UTC
245 keys
213 keys
Price history in numbers
71 readings since 25 Sep 2025
Over the last 30 days the Massed Flies Soldered Sensei's sell price ranged from 213 keys to 246 keys and is up 4.1% after 35 moves. Over a year it ranged from 91.5 keys to 280 keys (down 12.4%). Today's 245 keys sits in the upper third of its range: the lowest we have recorded is 91.5 keys (2 Sep 2026) and the highest 308 keys (25 Sep 2025). The price has moved 70 times since we began recording it — about once every 5 days.