Community price on backpack.tf: 1.05–1.15 keys, last changed 2026-06-28 (2mo ago). The live quote above, 1.43 keys, is 36% higher and last moved 4h 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
134 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.
Strange Professor's Peculiarity sell price, 2025-09-25 to 2026-09-05: 134 observations, from 78.88 ref to 88.33 ref. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
78.88 ref
71.66 ref
12 OCT 2025 · 22:57 UTC
81.77 ref
76.77 ref
8 NOV 2025 · 14:09 UTC
74.33 ref
67 ref
2 DEC 2025 · 12:47 UTC
78.33 ref
67.33 ref
29 DEC 2025 · 04:46 UTC
80.11 ref
74.44 ref
22 JAN 2026 · 01:43 UTC
74.44 ref
69.77 ref
8 FEB 2026 · 22:42 UTC
65.11 ref
61.55 ref
8 MAR 2026 · 22:41 UTC
68.33 ref
63.77 ref
1 APR 2026 · 00:30 UTC
69.88 ref
65.11 ref
3 MAY 2026 · 22:30 UTC
55.33 ref
52.11 ref
24 MAY 2026 · 22:30 UTC
63.33 ref
59.22 ref
22 JUN 2026 · 04:10 UTC
63.44 ref
60.66 ref
12 JUL 2026 · 18:45 UTC
62.55 ref
55.66 ref
3 AUG 2026 · 00:24 UTC
83.77 ref
73.77 ref
21 AUG 2026 · 14:08 UTC
72.33 ref
62.66 ref
22 AUG 2026 · 02:08 UTC
77 ref
67 ref
22 AUG 2026 · 16:08 UTC
77.88 ref
67.77 ref
23 AUG 2026 · 02:08 UTC
80.22 ref
69.77 ref
23 AUG 2026 · 12:08 UTC
80.66 ref
70.11 ref
24 AUG 2026 · 16:08 UTC
69.11 ref
60.33 ref
25 AUG 2026 · 00:08 UTC
76.77 ref
66.77 ref
25 AUG 2026 · 12:08 UTC
80.22 ref
69.77 ref
25 AUG 2026 · 22:09 UTC
80.77 ref
70.22 ref
26 AUG 2026 · 08:08 UTC
75.22 ref
65.44 ref
26 AUG 2026 · 20:09 UTC
78.66 ref
68.44 ref
27 AUG 2026 · 08:08 UTC
83.22 ref
72.44 ref
28 AUG 2026 · 04:08 UTC
82 ref
71.33 ref
29 AUG 2026 · 00:09 UTC
79.44 ref
69.11 ref
29 AUG 2026 · 12:09 UTC
83 ref
71 ref
30 AUG 2026 · 04:09 UTC
83.11 ref
74.22 ref
30 AUG 2026 · 20:09 UTC
83 ref
75.22 ref
31 AUG 2026 · 16:09 UTC
87.55 ref
76.11 ref
1 SEP 2026 · 04:09 UTC
81.77 ref
74.88 ref
1 SEP 2026 · 22:08 UTC
74.22 ref
64.44 ref
2 SEP 2026 · 16:08 UTC
81 ref
74.88 ref
3 SEP 2026 · 02:08 UTC
85.66 ref
74.33 ref
3 SEP 2026 · 16:08 UTC
88.22 ref
76.77 ref
4 SEP 2026 · 06:08 UTC
77.44 ref
67.11 ref
5 SEP 2026 · 00:08 UTC
84.66 ref
73.33 ref
5 SEP 2026 · 12:10 UTC
88.33 ref
76.55 ref
Price history in numbers
134 readings since 25 Sep 2025
Over the last 30 days the Strange Professor's Peculiarity's sell price ranged from 1.05 keys to 1.43 keys and is up 10.4% after 83 moves. Over a year it ranged from 0.89 keys to 1.43 keys (up 12.0%). Today's 1.43 keys sits at the top of its range: the lowest we have recorded is 0.89 keys (3 May 2026) and the highest 1.43 keys (5 Sep 2026). The price has moved 127 times since we began recording it — about once every 3 days.
Mann Co. Supply Crate #4
Strange Outdoorsman
Sackcloth Spook
Non-Craftable Nine-Pipe Problem
Professional Killstreak Scottish Handshake