Community price on backpack.tf: 320 keys, last changed 2024-08-26 (2.0y ago). The live quote above, 132 keys, is 59% 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 1h ago.
Price history
19 observations
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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.
Phosphorous Tough Stuff Muffs sell price, 2025-09-25 to 2026-09-03: 19 observations, from 322 keys to 132 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
322 keys
264 keys
30 SEP 2025 · 20:41 UTC
322 keys
263 keys
9 OCT 2025 · 08:24 UTC
308 keys
277 keys
19 OCT 2025 · 20:11 UTC
293 keys
263 keys
25 OCT 2025 · 16:30 UTC
279 keys
251 keys
10 NOV 2025 · 00:32 UTC
286 keys
257 keys
23 JUN 2026 · 07:14 UTC
204 keys
178 keys
29 JUN 2026 · 01:14 UTC
226 keys
196 keys
5 JUL 2026 · 23:12 UTC
122 keys
106 keys
12 JUL 2026 · 22:44 UTC
214 keys
186 keys
19 JUL 2026 · 22:44 UTC
223 keys
194 keys
26 JUL 2026 · 18:44 UTC
127 keys
111 keys
6 AUG 2026 · 07:12 UTC
137 keys
119 keys
8 AUG 2026 · 09:11 UTC
138 keys
120 keys
19 AUG 2026 · 04:33 UTC
207 keys
180 keys
29 AUG 2026 · 04:09 UTC
213 keys
186 keys
29 AUG 2026 · 18:10 UTC
213 keys
185 keys
31 AUG 2026 · 02:09 UTC
211 keys
184 keys
3 SEP 2026 · 22:08 UTC
132 keys
115 keys
Price history in numbers
19 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Tough Stuff Muffs's sell price ranged from 132 keys to 213 keys and is down 4.4% after 5 moves. Over a year it ranged from 122 keys to 322 keys (down 59.1%). Today's 132 keys sits at the bottom of its range: the lowest we have recorded is 122 keys (5 Jul 2026) and the highest 322 keys (25 Sep 2025). The price has moved 18 times since we began recording it — about once every 19 days.