Community price on backpack.tf: 24.0 keys, last changed 2021-09-15 (5.0y ago). The live quote above, 16.7 keys, is 30% lower and last moved 6h 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
59 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 Virus Doctor sell price, 2025-09-25 to 2026-09-05: 59 observations, from 24.7 keys to 16.7 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
24.7 keys
20.2 keys
30 SEP 2025 · 20:49 UTC
24.7 keys
20.2 keys
19 OCT 2025 · 20:19 UTC
22.5 keys
20.2 keys
25 OCT 2025 · 16:40 UTC
21.4 keys
19.3 keys
16 NOV 2025 · 10:34 UTC
30.4 keys
9.78 keys
23 NOV 2025 · 14:39 UTC
32.7 keys
11.0 keys
8 DEC 2025 · 00:48 UTC
30.3 keys
17.1 keys
15 DEC 2025 · 08:40 UTC
33.6 keys
13.7 keys
29 DEC 2025 · 16:49 UTC
33.1 keys
12.2 keys
9 JAN 2026 · 07:36 UTC
27.5 keys
20.0 keys
3 FEB 2026 · 08:21 UTC
25.6 keys
21.3 keys
19 FEB 2026 · 12:41 UTC
27.5 keys
22.8 keys
1 MAR 2026 · 22:41 UTC
25.7 keys
12.9 keys
8 MAR 2026 · 12:42 UTC
25.4 keys
18.8 keys
22 MAR 2026 · 10:05 UTC
26.9 keys
22.1 keys
1 APR 2026 · 00:30 UTC
27.5 keys
23.1 keys
22 APR 2026 · 22:29 UTC
26.8 keys
13.6 keys
29 APR 2026 · 02:29 UTC
25.4 keys
22.3 keys
10 MAY 2026 · 20:32 UTC
26.6 keys
23.4 keys
17 MAY 2026 · 18:31 UTC
26.4 keys
23.3 keys
1 JUN 2026 · 00:29 UTC
26.1 keys
23.0 keys
8 JUN 2026 · 00:30 UTC
27.2 keys
19.7 keys
22 JUN 2026 · 00:10 UTC
26.5 keys
22.4 keys
29 JUN 2026 · 01:14 UTC
16.3 keys
14.2 keys
12 JUL 2026 · 22:44 UTC
26.0 keys
22.6 keys
18 JUL 2026 · 14:44 UTC
27.2 keys
23.7 keys
11 AUG 2026 · 13:12 UTC
29.3 keys
25.5 keys
16 AUG 2026 · 03:11 UTC
29.2 keys
25.4 keys
25 AUG 2026 · 10:09 UTC
33.2 keys
25.4 keys
27 AUG 2026 · 20:10 UTC
11.9 keys
10.4 keys
29 AUG 2026 · 02:09 UTC
13.1 keys
11.4 keys
29 AUG 2026 · 14:09 UTC
13.1 keys
11.4 keys
30 AUG 2026 · 16:07 UTC
13.2 keys
11.4 keys
31 AUG 2026 · 04:09 UTC
13.1 keys
11.4 keys
1 SEP 2026 · 04:09 UTC
13.0 keys
11.3 keys
1 SEP 2026 · 20:08 UTC
13.0 keys
11.3 keys
2 SEP 2026 · 20:08 UTC
12.9 keys
11.2 keys
3 SEP 2026 · 08:09 UTC
12.9 keys
11.2 keys
5 SEP 2026 · 04:08 UTC
17.2 keys
15.0 keys
5 SEP 2026 · 18:08 UTC
16.7 keys
14.6 keys
Price history in numbers
59 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt Virus Doctor's sell price ranged from 11.9 keys to 33.2 keys and is down 42.9% after 19 moves. Over a year it ranged from 11.9 keys to 33.9 keys (down 32.3%). Today's 16.7 keys sits in the lower third of its range: the lowest we have recorded is 11.9 keys (27 Aug 2026) and the highest 33.9 keys (22 Dec 2025). The price has moved 58 times since we began recording it — about once every 6 days.