Community price on backpack.tf: 9.00–13.0 keys, last changed 2020-01-25 (6.6y ago). The live quote above, 8.71 keys, is 3% lower 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
30 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.
Kill-a-Watt El Mostacho sell price, 2025-09-25 to 2026-09-05: 30 observations, from 13.2 keys to 8.71 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
13.2 keys
7.46 keys
30 SEP 2025 · 22:24 UTC
14.2 keys
7.46 keys
9 OCT 2025 · 09:57 UTC
13.6 keys
7.84 keys
19 OCT 2025 · 21:51 UTC
12.9 keys
7.46 keys
25 OCT 2025 · 18:10 UTC
12.3 keys
7.10 keys
10 NOV 2025 · 02:04 UTC
13.0 keys
7.51 keys
20 NOV 2025 · 02:49 UTC
12.2 keys
9.34 keys
4 JAN 2026 · 08:52 UTC
12.6 keys
8.31 keys
23 JUN 2026 · 05:13 UTC
11.5 keys
9.99 keys
29 JUN 2026 · 01:14 UTC
11.9 keys
10.3 keys
5 JUL 2026 · 23:12 UTC
10.7 keys
9.34 keys
12 JUL 2026 · 22:44 UTC
10.9 keys
9.52 keys
23 JUL 2026 · 16:45 UTC
11.9 keys
10.3 keys
29 JUL 2026 · 06:44 UTC
12.3 keys
10.7 keys
4 AUG 2026 · 11:12 UTC
12.7 keys
11.0 keys
10 AUG 2026 · 17:11 UTC
12.8 keys
11.1 keys
21 AUG 2026 · 00:09 UTC
8.37 keys
7.28 keys
21 AUG 2026 · 18:09 UTC
10.00 keys
8.69 keys
22 AUG 2026 · 08:09 UTC
10.3 keys
8.96 keys
22 AUG 2026 · 20:09 UTC
10.4 keys
9.00 keys
23 AUG 2026 · 08:08 UTC
10.8 keys
9.38 keys
23 AUG 2026 · 22:09 UTC
11.4 keys
9.88 keys
24 AUG 2026 · 12:09 UTC
11.3 keys
9.83 keys
25 AUG 2026 · 00:09 UTC
11.3 keys
9.86 keys
25 AUG 2026 · 14:09 UTC
11.6 keys
10.1 keys
26 AUG 2026 · 04:09 UTC
11.8 keys
10.3 keys
26 AUG 2026 · 16:09 UTC
11.8 keys
10.3 keys
28 AUG 2026 · 22:10 UTC
10.9 keys
9.46 keys
3 SEP 2026 · 00:08 UTC
8.21 keys
7.14 keys
5 SEP 2026 · 16:08 UTC
8.71 keys
7.58 keys
Price history in numbers
30 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt El Mostacho's sell price ranged from 8.21 keys to 12.8 keys and is down 32.0% after 14 moves. Over a year it ranged from 8.21 keys to 14.2 keys (down 33.8%). Today's 8.71 keys sits in the lower third of its range: the lowest we have recorded is 8.21 keys (3 Sep 2026) and the highest 14.2 keys (30 Sep 2025). The price has moved 29 times since we began recording it — about once every 12 days.