Community price on backpack.tf: 29.0–42.0 keys, last changed 2024-06-02 (2.3y ago). The live quote above, 21.0 keys, is 28% lower and last moved 11h 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
43 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 2026-09-05: 43 observations, from 44.4 keys to 21.0 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
44.4 keys
25.3 keys
30 SEP 2025 · 20:37 UTC
44.3 keys
24.5 keys
9 OCT 2025 · 08:20 UTC
42.4 keys
25.7 keys
19 OCT 2025 · 20:07 UTC
40.3 keys
24.5 keys
25 OCT 2025 · 16:26 UTC
38.4 keys
23.3 keys
10 NOV 2025 · 00:27 UTC
40.6 keys
24.6 keys
19 NOV 2025 · 20:39 UTC
30.4 keys
20.7 keys
2 DEC 2025 · 04:49 UTC
32.6 keys
22.8 keys
8 DEC 2025 · 20:43 UTC
33.1 keys
23.3 keys
15 DEC 2025 · 00:41 UTC
29.6 keys
21.1 keys
15 JUN 2026 · 00:30 UTC
33.8 keys
27.5 keys
22 JUN 2026 · 10:09 UTC
35.1 keys
29.3 keys
30 JUN 2026 · 23:13 UTC
34.7 keys
30.1 keys
9 JUL 2026 · 18:44 UTC
36.8 keys
31.9 keys
9 AUG 2026 · 07:11 UTC
37.0 keys
32.1 keys
16 AUG 2026 · 03:11 UTC
35.7 keys
31.1 keys
21 AUG 2026 · 16:08 UTC
17.9 keys
15.6 keys
22 AUG 2026 · 04:08 UTC
17.9 keys
15.6 keys
22 AUG 2026 · 16:08 UTC
17.9 keys
15.6 keys
23 AUG 2026 · 04:09 UTC
18.0 keys
15.7 keys
24 AUG 2026 · 08:08 UTC
18.0 keys
15.6 keys
25 AUG 2026 · 14:09 UTC
21.4 keys
18.6 keys
27 AUG 2026 · 00:09 UTC
21.5 keys
18.7 keys
27 AUG 2026 · 14:08 UTC
21.5 keys
18.7 keys
28 AUG 2026 · 03:04 UTC
21.5 keys
18.7 keys
28 AUG 2026 · 14:10 UTC
21.5 keys
18.7 keys
29 AUG 2026 · 02:09 UTC
21.5 keys
18.7 keys
29 AUG 2026 · 16:09 UTC
21.5 keys
18.7 keys
30 AUG 2026 · 04:09 UTC
21.6 keys
18.8 keys
30 AUG 2026 · 16:07 UTC
21.5 keys
18.7 keys
31 AUG 2026 · 04:09 UTC
21.4 keys
18.6 keys
31 AUG 2026 · 16:09 UTC
21.4 keys
18.6 keys
1 SEP 2026 · 04:09 UTC
21.3 keys
18.5 keys
2 SEP 2026 · 04:08 UTC
20.9 keys
18.1 keys
2 SEP 2026 · 16:08 UTC
21.0 keys
18.3 keys
3 SEP 2026 · 04:08 UTC
21.1 keys
18.3 keys
3 SEP 2026 · 16:08 UTC
21.7 keys
18.9 keys
4 SEP 2026 · 06:08 UTC
21.2 keys
18.4 keys
4 SEP 2026 · 20:07 UTC
21.1 keys
18.3 keys
5 SEP 2026 · 08:08 UTC
21.0 keys
18.2 keys
Price history in numbers
43 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt Head Warmer's sell price ranged from 17.9 keys to 37.0 keys and is down 43.3% after 27 moves. Over a year it ranged from 17.9 keys to 44.4 keys (down 52.8%). Today's 21.0 keys sits in the lower third of its range: the lowest we have recorded is 17.9 keys (21 Aug 2026) and the highest 44.4 keys (25 Sep 2025). The price has moved 41 times since we began recording it — about once every 8 days.