Community price on backpack.tf: 29.0–42.0 keys, last changed 2024-06-02 (2.4y ago). The live quote above, 21.8 keys, is 25% lower and last moved 11d 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
98 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 Head Warmer sell price, 2025-09-25 to 2026-10-12: 98 observations, from 43.8 keys to 27.4 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
43.8 keys
24.9 keys
9 OCT 2025 · 08:20 UTC
41.8 keys
25.4 keys
10 NOV 2025 · 00:27 UTC
40.0 keys
24.3 keys
23 NOV 2025 · 22:38 UTC
32.2 keys
22.1 keys
15 DEC 2025 · 00:41 UTC
29.2 keys
20.8 keys
22 JUN 2026 · 10:09 UTC
34.6 keys
28.9 keys
9 AUG 2026 · 07:11 UTC
36.4 keys
31.6 keys
21 AUG 2026 · 16:08 UTC
17.6 keys
15.3 keys
23 AUG 2026 · 04:09 UTC
17.8 keys
15.5 keys
24 AUG 2026 · 08:08 UTC
17.7 keys
15.4 keys
27 AUG 2026 · 14:08 UTC
21.2 keys
18.4 keys
28 AUG 2026 · 14:10 UTC
21.2 keys
18.5 keys
30 AUG 2026 · 04:09 UTC
21.3 keys
18.5 keys
31 AUG 2026 · 04:09 UTC
21.1 keys
18.3 keys
1 SEP 2026 · 16:08 UTC
21.0 keys
18.2 keys
2 SEP 2026 · 16:08 UTC
20.7 keys
18.0 keys
4 SEP 2026 · 06:08 UTC
20.9 keys
18.1 keys
5 SEP 2026 · 08:08 UTC
20.7 keys
18.0 keys
7 SEP 2026 · 04:08 UTC
21.0 keys
18.3 keys
8 SEP 2026 · 04:09 UTC
20.8 keys
18.1 keys
9 SEP 2026 · 16:09 UTC
20.8 keys
18.1 keys
10 SEP 2026 · 16:08 UTC
21.2 keys
18.4 keys
12 SEP 2026 · 04:09 UTC
21.1 keys
18.4 keys
13 SEP 2026 · 04:08 UTC
21.1 keys
18.3 keys
14 SEP 2026 · 16:08 UTC
20.9 keys
18.2 keys
15 SEP 2026 · 16:08 UTC
21.4 keys
18.6 keys
17 SEP 2026 · 04:08 UTC
21.4 keys
18.6 keys
18 SEP 2026 · 04:07 UTC
21.6 keys
18.8 keys
19 SEP 2026 · 18:08 UTC
21.6 keys
18.8 keys
20 SEP 2026 · 20:09 UTC
21.7 keys
18.9 keys
22 SEP 2026 · 08:08 UTC
22.0 keys
19.1 keys
23 SEP 2026 · 10:07 UTC
22.0 keys
19.2 keys
25 SEP 2026 · 02:08 UTC
22.1 keys
19.2 keys
28 SEP 2026 · 02:08 UTC
23.4 keys
20.3 keys
1 OCT 2026 · 20:08 UTC
23.7 keys
20.6 keys
2 OCT 2026 · 02:08 UTC
22.7 keys
19.8 keys
2 OCT 2026 · 23:08 UTC
21.9 keys
19.1 keys
10 OCT 2026 · 07:09 UTC
27.4 keys
23.8 keys
11 OCT 2026 · 19:08 UTC
27.4 keys
23.8 keys
12 OCT 2026 · 19:08 UTC
27.4 keys
23.9 keys
Price history in numbers
98 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt Head Warmer's sell price ranged from 20.9 keys to 28.2 keys and is up 29.9% after 39 moves. Over a year it ranged from 17.6 keys to 40.0 keys (down 31.0%). Today's 27.4 keys sits in the middle of its range: the lowest we have recorded is 17.6 keys (21 Aug 2026) and the highest 43.8 keys (25 Sep 2025). The price has moved 96 times since we began recording it — about once every 4 days.