Community price on backpack.tf: 55.0 keys, last changed 2024-08-16 (2.1y ago). The live quote above, 8.23 keys, is 85% lower and last moved 9d 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
20 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.
Sulphurous Plug-In Prospector sell price, 2025-09-25 to 2026-08-27: 20 observations, from 55.9 keys to 8.23 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
55.9 keys
45.7 keys
30 SEP 2025 · 20:48 UTC
54.8 keys
44.9 keys
9 OCT 2025 · 08:31 UTC
52.4 keys
47.2 keys
19 OCT 2025 · 20:17 UTC
49.8 keys
44.9 keys
25 OCT 2025 · 16:38 UTC
47.5 keys
42.7 keys
10 NOV 2025 · 00:40 UTC
48.7 keys
43.8 keys
22 JUN 2026 · 17:13 UTC
22.6 keys
19.7 keys
29 JUN 2026 · 01:14 UTC
31.8 keys
27.6 keys
5 JUL 2026 · 23:12 UTC
29.6 keys
25.8 keys
12 JUL 2026 · 22:44 UTC
30.0 keys
26.1 keys
19 JUL 2026 · 22:44 UTC
31.3 keys
27.3 keys
29 JUL 2026 · 16:44 UTC
32.0 keys
27.8 keys
3 AUG 2026 · 04:24 UTC
33.1 keys
28.7 keys
10 AUG 2026 · 09:10 UTC
33.3 keys
28.9 keys
17 AUG 2026 · 03:11 UTC
31.2 keys
27.1 keys
21 AUG 2026 · 18:09 UTC
31.1 keys
27.1 keys
21 AUG 2026 · 20:09 UTC
31.2 keys
27.1 keys
23 AUG 2026 · 08:08 UTC
31.3 keys
27.2 keys
24 AUG 2026 · 16:08 UTC
31.0 keys
27.0 keys
27 AUG 2026 · 22:09 UTC
8.23 keys
7.16 keys
Price history in numbers
20 readings since 25 Sep 2025
Over the last 30 days the Sulphurous Plug-In Prospector's sell price ranged from 8.23 keys to 33.3 keys and is down 75.3% after 6 moves. Over a year it ranged from 8.23 keys to 55.9 keys (down 85.3%). Today's 8.23 keys sits at the bottom of its range: the lowest we have recorded is 8.23 keys (27 Aug 2026) and the highest 55.9 keys (25 Sep 2025). The price has moved 19 times since we began recording it — about once every 18 days.