Community price on backpack.tf: 150 keys, last changed 2022-09-03 (4.1y ago). The live quote above, 132 keys, is 12% lower and last moved 12d 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
52 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 Industrial Festivizer sell price, 2025-09-25 to 2026-10-09: 52 observations, from 152 keys to 137 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
152 keys
125 keys
30 SEP 2025 · 20:27 UTC
152 keys
125 keys
19 OCT 2025 · 19:57 UTC
138 keys
125 keys
25 OCT 2025 · 16:16 UTC
132 keys
119 keys
10 NOV 2025 · 00:17 UTC
140 keys
126 keys
20 JUL 2026 · 00:46 UTC
13.0 keys
11.3 keys
3 SEP 2026 · 02:08 UTC
107 keys
93.0 keys
4 SEP 2026 · 14:08 UTC
68.9 keys
59.9 keys
6 SEP 2026 · 08:08 UTC
71.2 keys
61.9 keys
8 SEP 2026 · 06:08 UTC
126 keys
110 keys
8 SEP 2026 · 22:09 UTC
126 keys
109 keys
9 SEP 2026 · 12:08 UTC
125 keys
109 keys
10 SEP 2026 · 12:08 UTC
127 keys
110 keys
11 SEP 2026 · 04:08 UTC
128 keys
111 keys
11 SEP 2026 · 16:09 UTC
128 keys
111 keys
12 SEP 2026 · 16:09 UTC
129 keys
112 keys
13 SEP 2026 · 04:08 UTC
129 keys
112 keys
13 SEP 2026 · 18:07 UTC
129 keys
112 keys
14 SEP 2026 · 18:08 UTC
131 keys
114 keys
15 SEP 2026 · 08:09 UTC
130 keys
113 keys
15 SEP 2026 · 22:08 UTC
130 keys
113 keys
16 SEP 2026 · 10:08 UTC
130 keys
113 keys
17 SEP 2026 · 12:08 UTC
132 keys
115 keys
18 SEP 2026 · 02:07 UTC
131 keys
114 keys
19 SEP 2026 · 00:07 UTC
131 keys
114 keys
21 SEP 2026 · 02:11 UTC
132 keys
115 keys
21 SEP 2026 · 14:08 UTC
132 keys
115 keys
22 SEP 2026 · 02:08 UTC
134 keys
116 keys
24 SEP 2026 · 10:08 UTC
134 keys
117 keys
25 SEP 2026 · 02:08 UTC
134 keys
116 keys
25 SEP 2026 · 20:09 UTC
134 keys
117 keys
28 SEP 2026 · 06:10 UTC
135 keys
118 keys
29 SEP 2026 · 20:09 UTC
133 keys
115 keys
1 OCT 2026 · 10:08 UTC
132 keys
115 keys
2 OCT 2026 · 13:11 UTC
133 keys
115 keys
3 OCT 2026 · 19:09 UTC
135 keys
117 keys
4 OCT 2026 · 07:09 UTC
135 keys
117 keys
6 OCT 2026 · 01:08 UTC
135 keys
118 keys
7 OCT 2026 · 01:08 UTC
136 keys
118 keys
9 OCT 2026 · 15:10 UTC
137 keys
119 keys
Price history in numbers
52 readings since 25 Sep 2025
Over the last 30 days the Sulphurous Industrial Festivizer's sell price ranged from 129 keys to 137 keys and is up 5.7% after 29 moves. Over a year it ranged from 11.7 keys to 140 keys (down 1.3%). Today's 137 keys sits in the upper third of its range: the lowest we have recorded is 11.7 keys (28 Jun 2026) and the highest 152 keys (25 Sep 2025). The price has moved 51 times since we began recording it — about once every 7 days.