Community price on backpack.tf: 80.0 keys, last changed 2026-09-16 (27d ago). The live quote above, 58.8 keys, is 27% lower and last moved 13d 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
22 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 Doctor's Sack sell price, 2025-09-25 to 2026-10-10: 22 observations, from 81.5 keys to 60.3 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
81.5 keys
66.7 keys
30 SEP 2025 · 20:25 UTC
81.4 keys
66.6 keys
9 OCT 2025 · 08:08 UTC
77.8 keys
70.0 keys
19 OCT 2025 · 19:54 UTC
74.0 keys
66.6 keys
25 OCT 2025 · 16:13 UTC
70.5 keys
63.5 keys
10 NOV 2025 · 00:14 UTC
72.3 keys
65.1 keys
24 JUN 2026 · 09:14 UTC
31.0 keys
27.0 keys
29 JUL 2026 · 22:45 UTC
30.5 keys
26.5 keys
6 AUG 2026 · 21:12 UTC
57.3 keys
49.9 keys
17 AUG 2026 · 17:11 UTC
49.6 keys
43.2 keys
3 SEP 2026 · 10:08 UTC
61.2 keys
53.2 keys
4 SEP 2026 · 08:08 UTC
31.4 keys
27.3 keys
6 SEP 2026 · 04:10 UTC
38.1 keys
33.2 keys
11 SEP 2026 · 12:08 UTC
50.9 keys
44.3 keys
12 SEP 2026 · 12:08 UTC
51.3 keys
44.6 keys
13 SEP 2026 · 10:09 UTC
51.1 keys
44.5 keys
14 SEP 2026 · 04:08 UTC
51.0 keys
44.4 keys
14 SEP 2026 · 20:08 UTC
51.2 keys
44.5 keys
15 SEP 2026 · 18:08 UTC
51.1 keys
44.4 keys
30 SEP 2026 · 18:09 UTC
58.8 keys
51.1 keys
5 OCT 2026 · 13:08 UTC
60.3 keys
52.5 keys
10 OCT 2026 · 17:09 UTC
60.3 keys
52.5 keys
Price history in numbers
22 readings since 25 Sep 2025
Over the last 30 days the Sulphurous Doctor's Sack's sell price ranged from 51.0 keys to 60.3 keys and is up 18.0% after 6 moves. Over a year it ranged from 30.5 keys to 74.0 keys (down 18.5%). Today's 60.3 keys sits in the middle of its range: the lowest we have recorded is 30.5 keys (29 Jul 2026) and the highest 81.5 keys (25 Sep 2025). The price has moved 21 times since we began recording it — about once every 18 days.
Collector's Enforcer