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Phosphorous Tough Stuff Muffs

PhosphorousUnusual2d ago
Sell price
131 keys, 46.66 ref
Buy price
114 keys, 35 ref
In keys
132 keys
In USD
$299.04 at the Steam key rate

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

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.

Phosphorous Tough Stuff Muffs sell price, 2025-09-25 to 2026-09-03: 19 observations, from 322 keys to 132 keys.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC322 keys264 keys
30 SEP 2025 · 20:41 UTC322 keys263 keys
9 OCT 2025 · 08:24 UTC308 keys277 keys
19 OCT 2025 · 20:11 UTC293 keys263 keys
25 OCT 2025 · 16:30 UTC279 keys251 keys
10 NOV 2025 · 00:32 UTC286 keys257 keys
23 JUN 2026 · 07:14 UTC204 keys178 keys
29 JUN 2026 · 01:14 UTC226 keys196 keys
5 JUL 2026 · 23:12 UTC122 keys106 keys
12 JUL 2026 · 22:44 UTC214 keys186 keys
19 JUL 2026 · 22:44 UTC223 keys194 keys
26 JUL 2026 · 18:44 UTC127 keys111 keys
6 AUG 2026 · 07:12 UTC137 keys119 keys
8 AUG 2026 · 09:11 UTC138 keys120 keys
19 AUG 2026 · 04:33 UTC207 keys180 keys
29 AUG 2026 · 04:09 UTC213 keys186 keys
29 AUG 2026 · 18:10 UTC213 keys185 keys
31 AUG 2026 · 02:09 UTC211 keys184 keys
3 SEP 2026 · 22:08 UTC132 keys115 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.

WindowLowHighChangeMovesReadings
30 days132 keys213 keys−4.4%56
90 days122 keys226 keys−35.5%1213
a year122 keys322 keys−59.1%1819

Details

SKU984;5;u63
Last price change2026-09-03 22:08 UTC
Key rate when recorded63.56 ref

Same effect, other items

the effect across the catalogue

Other effects on the Tough Stuff Muffs

same item, different effect

Priced similarly

across the catalogue