Community price on backpack.tf: 10.0–12.0 keys, last changed 2019-11-15 (6.8y ago). The live quote above, 10.8 keys, is inside the community’s range and last moved 2d 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
52 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 Halogen Head Lamp sell price, 2025-09-25 to 2026-09-03: 52 observations, from 11.9 keys to 10.8 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
11.9 keys
8.13 keys
30 SEP 2025 · 20:49 UTC
11.9 keys
8.12 keys
19 OCT 2025 · 20:19 UTC
10.8 keys
8.12 keys
25 OCT 2025 · 16:40 UTC
10.3 keys
7.73 keys
10 NOV 2025 · 00:41 UTC
11.8 keys
8.83 keys
30 DEC 2025 · 20:50 UTC
8.97 keys
6.72 keys
4 JAN 2026 · 18:46 UTC
8.81 keys
6.88 keys
11 JAN 2026 · 23:33 UTC
8.10 keys
6.73 keys
22 JAN 2026 · 09:44 UTC
8.10 keys
7.07 keys
9 FEB 2026 · 00:41 UTC
7.90 keys
6.72 keys
15 FEB 2026 · 08:40 UTC
8.35 keys
7.26 keys
23 FEB 2026 · 16:40 UTC
7.72 keys
6.89 keys
13 MAR 2026 · 04:08 UTC
7.42 keys
5.83 keys
15 MAR 2026 · 22:07 UTC
7.83 keys
6.18 keys
29 MAR 2026 · 22:07 UTC
8.01 keys
6.32 keys
22 JUN 2026 · 17:13 UTC
9.08 keys
7.90 keys
30 JUN 2026 · 17:13 UTC
7.17 keys
6.23 keys
5 JUL 2026 · 23:12 UTC
8.37 keys
7.28 keys
19 JUL 2026 · 12:45 UTC
9.63 keys
8.39 keys
29 JUL 2026 · 02:45 UTC
10.0 keys
8.73 keys
6 AUG 2026 · 07:12 UTC
6.24 keys
5.40 keys
10 AUG 2026 · 11:10 UTC
10.4 keys
9.09 keys
21 AUG 2026 · 16:08 UTC
10.2 keys
8.88 keys
22 AUG 2026 · 20:08 UTC
10.2 keys
8.89 keys
23 AUG 2026 · 00:08 UTC
10.2 keys
8.90 keys
23 AUG 2026 · 10:08 UTC
10.3 keys
8.92 keys
23 AUG 2026 · 14:09 UTC
10.2 keys
8.91 keys
23 AUG 2026 · 18:08 UTC
10.3 keys
8.92 keys
24 AUG 2026 · 02:09 UTC
10.3 keys
8.94 keys
24 AUG 2026 · 06:09 UTC
10.2 keys
8.90 keys
24 AUG 2026 · 10:08 UTC
10.3 keys
8.96 keys
24 AUG 2026 · 18:09 UTC
10.3 keys
8.95 keys
24 AUG 2026 · 22:09 UTC
10.3 keys
8.98 keys
25 AUG 2026 · 06:09 UTC
10.3 keys
9.00 keys
25 AUG 2026 · 22:09 UTC
10.4 keys
9.01 keys
27 AUG 2026 · 20:10 UTC
10.4 keys
9.06 keys
28 AUG 2026 · 09:36 UTC
10.4 keys
9.07 keys
30 AUG 2026 · 12:08 UTC
10.6 keys
9.26 keys
2 SEP 2026 · 16:08 UTC
10.2 keys
8.84 keys
3 SEP 2026 · 16:08 UTC
10.8 keys
9.35 keys
Price history in numbers
52 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt Halogen Head Lamp's sell price ranged from 10.2 keys to 10.8 keys and is up 3.3% after 24 moves. Over a year it ranged from 6.24 keys to 11.9 keys (down 9.7%). Today's 10.8 keys sits in the upper third of its range: the lowest we have recorded is 6.24 keys (6 Aug 2026) and the highest 11.9 keys (25 Sep 2025). The price has moved 50 times since we began recording it — about once every 7 days.