Community price on backpack.tf: 90.0 keys, last changed 2026-02-14 (7mo ago). The live quote above, 82.3 keys, is 9% 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
14 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.
Cosmic Constellations El Mostacho sell price, 2026-03-09 to 2026-08-24: 14 observations, from 74.8 keys to 82.3 keys.
Observed (UTC)
Sell
Buy
9 MAR 2026 · 12:04 UTC
74.8 keys
67.3 keys
26 MAR 2026 · 02:08 UTC
92.8 keys
11.2 keys
1 APR 2026 · 22:30 UTC
95.9 keys
8.21 keys
12 APR 2026 · 08:32 UTC
91.3 keys
6.03 keys
8 MAY 2026 · 06:33 UTC
84.1 keys
8.17 keys
16 MAY 2026 · 08:32 UTC
92.3 keys
8.28 keys
26 MAY 2026 · 06:32 UTC
92.0 keys
21.6 keys
1 JUN 2026 · 02:30 UTC
93.2 keys
40.8 keys
9 JUN 2026 · 02:31 UTC
92.8 keys
35.8 keys
15 JUN 2026 · 00:32 UTC
91.9 keys
8.05 keys
22 JUN 2026 · 02:12 UTC
73.8 keys
8.17 keys
20 JUL 2026 · 00:46 UTC
10.4 keys
9.07 keys
24 AUG 2026 · 10:09 UTC
72.3 keys
62.9 keys
24 AUG 2026 · 22:09 UTC
82.3 keys
71.6 keys
Price history in numbers
14 readings since 9 Mar 2026
Over the last 30 days the Cosmic Constellations El Mostacho's sell price ranged from 72.3 keys to 82.3 keys and is up 13.8% after 1 move. Over a year it ranged from 10.4 keys to 95.9 keys (up 10.0%). Today's 82.3 keys sits in the upper third of its range: the lowest we have recorded is 10.4 keys (20 Jul 2026) and the highest 95.9 keys (1 Apr 2026). The price has moved 13 times since we began recording it — about once every 13 days.