Community price on backpack.tf: 18.0–22.0 keys, last changed 2015-01-13 (11.7y ago). The live quote above, 40.7 keys, is 126% higher and last moved 3d 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
11 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 Katyusha sell price, 2025-09-25 to 2026-09-02: 11 observations, from 23.6 keys to 40.7 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
23.6 keys
15.1 keys
30 SEP 2025 · 20:52 UTC
22.5 keys
15.1 keys
9 OCT 2025 · 08:34 UTC
21.5 keys
15.8 keys
19 OCT 2025 · 20:22 UTC
20.5 keys
15.1 keys
25 OCT 2025 · 16:42 UTC
19.5 keys
14.4 keys
10 NOV 2025 · 00:44 UTC
21.1 keys
15.5 keys
30 JUL 2026 · 08:45 UTC
40.3 keys
35.1 keys
4 AUG 2026 · 17:12 UTC
35.7 keys
31.1 keys
9 AUG 2026 · 17:11 UTC
34.4 keys
29.8 keys
19 AUG 2026 · 20:10 UTC
34.2 keys
29.7 keys
2 SEP 2026 · 16:08 UTC
40.7 keys
35.4 keys
Price history in numbers
11 readings since 25 Sep 2025
Over the last 30 days the Phosphorous Katyusha's sell price ranged from 34.2 keys to 40.7 keys and is up 18.3% after 2 moves. Over a year it ranged from 19.5 keys to 40.7 keys (up 72.6%). Today's 40.7 keys sits at the top of its range: the lowest we have recorded is 19.5 keys (25 Oct 2025) and the highest 40.7 keys (2 Sep 2026). The price has moved 10 times since we began recording it — about once every 34 days.