Community price on backpack.tf: 52.0 keys, last changed 2025-08-02 (1.1y ago). The live quote above, 54.4 keys, is 5% higher and last moved 5h 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.
Steam Market asking price: $500.00 — the lowest of one listing for the Kill-a-Watt effect when we looked on 2026-09-01 01:48 UTC (5d ago). This is what a seller is asking, not what anything sold for. Steam pays out in Steam wallet funds, not cash, and Valve takes roughly 15% at the till — so asking prices there run well above the 54 keys, 23.22 ref shown above, which comes from the keys-and-metal market on backpack.tf. The two are different markets and are never blended. Steam lists the item as “Unusual Rotation Sensation”, with no effect in the name — the effect comes from the individual listing.
Price history
63 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 Rotation Sensation sell price, 2025-09-25 to 2026-09-05: 63 observations, from 53.8 keys to 54.4 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
53.8 keys
43.9 keys
9 OCT 2025 · 09:03 UTC
52.3 keys
47.1 keys
19 OCT 2025 · 20:52 UTC
49.8 keys
44.8 keys
10 NOV 2025 · 01:15 UTC
50.4 keys
45.3 keys
23 NOV 2025 · 08:42 UTC
65.2 keys
35.6 keys
18 JAN 2026 · 23:24 UTC
56.7 keys
33.2 keys
19 FEB 2026 · 06:41 UTC
56.7 keys
33.8 keys
22 FEB 2026 · 18:41 UTC
53.3 keys
33.5 keys
8 MAR 2026 · 22:42 UTC
51.9 keys
28.0 keys
15 MAR 2026 · 22:07 UTC
51.2 keys
27.4 keys
1 APR 2026 · 06:30 UTC
56.3 keys
36.0 keys
12 APR 2026 · 18:30 UTC
55.5 keys
38.7 keys
1 MAY 2026 · 04:30 UTC
51.9 keys
38.0 keys
18 MAY 2026 · 00:32 UTC
53.9 keys
42.7 keys
24 MAY 2026 · 22:31 UTC
53.7 keys
42.7 keys
18 JUN 2026 · 18:10 UTC
56.9 keys
37.3 keys
22 JUN 2026 · 00:11 UTC
58.9 keys
34.7 keys
5 JUL 2026 · 23:12 UTC
43.5 keys
37.8 keys
19 JUL 2026 · 06:43 UTC
48.3 keys
42.0 keys
29 JUL 2026 · 00:45 UTC
50.3 keys
43.7 keys
11 AUG 2026 · 15:12 UTC
55.5 keys
48.2 keys
18 AUG 2026 · 16:34 UTC
53.1 keys
46.2 keys
22 AUG 2026 · 06:08 UTC
43.9 keys
38.1 keys
23 AUG 2026 · 08:08 UTC
44.6 keys
38.8 keys
23 AUG 2026 · 20:09 UTC
45.0 keys
39.2 keys
25 AUG 2026 · 08:09 UTC
46.2 keys
40.2 keys
26 AUG 2026 · 00:08 UTC
46.4 keys
40.3 keys
27 AUG 2026 · 00:09 UTC
47.6 keys
41.4 keys
28 AUG 2026 · 00:09 UTC
48.2 keys
41.9 keys
28 AUG 2026 · 12:07 UTC
49.2 keys
42.8 keys
29 AUG 2026 · 12:09 UTC
50.8 keys
44.2 keys
30 AUG 2026 · 00:09 UTC
51.7 keys
44.9 keys
31 AUG 2026 · 00:08 UTC
52.9 keys
46.0 keys
31 AUG 2026 · 12:09 UTC
53.4 keys
46.4 keys
1 SEP 2026 · 12:08 UTC
53.0 keys
46.1 keys
2 SEP 2026 · 12:08 UTC
52.6 keys
45.7 keys
3 SEP 2026 · 00:08 UTC
53.3 keys
46.3 keys
4 SEP 2026 · 00:08 UTC
54.1 keys
47.1 keys
4 SEP 2026 · 12:08 UTC
53.9 keys
46.9 keys
5 SEP 2026 · 12:10 UTC
54.4 keys
47.3 keys
Price history in numbers
63 readings since 25 Sep 2025
Over the last 30 days the Kill-a-Watt Rotation Sensation's sell price ranged from 38.2 keys to 55.5 keys and is down 2.0% after 30 moves. Over a year it ranged from 38.2 keys to 65.2 keys (up 1.1%). Today's 54.4 keys sits in the middle of its range: the lowest we have recorded is 38.2 keys (21 Aug 2026) and the highest 65.2 keys (23 Nov 2025). The price has moved 61 times since we began recording it — about once every 6 days.
Collector's Outdoorsman