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Kill-a-Watt Plumber's Cap

Kill-a-WattUnusual22h ago
Sell price
83 keys, 43.88 ref
Buy price
72 keys, 49.33 ref
In keys
83.7 keys
In USD
$189.17 at the Steam key rate

Community price on backpack.tf: 105 keys, last changed 2026-03-22 (5mo ago). The live quote above, 83.7 keys, is 20% lower and last moved 22h 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

31 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 Plumber's Cap sell price, 2025-09-25 to 2026-09-04: 31 observations, from 103 keys to 83.7 keys.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC103 keys84.0 keys
30 SEP 2025 · 21:49 UTC103 keys83.9 keys
9 OCT 2025 · 09:28 UTC98.0 keys88.2 keys
19 OCT 2025 · 21:18 UTC93.2 keys83.9 keys
25 OCT 2025 · 17:38 UTC88.8 keys79.9 keys
10 NOV 2025 · 01:38 UTC97.5 keys87.7 keys
5 JUL 2026 · 19:12 UTC66.9 keys58.2 keys
12 JUL 2026 · 18:45 UTC68.6 keys59.7 keys
19 JUL 2026 · 20:45 UTC72.5 keys63.0 keys
27 JUL 2026 · 12:45 UTC74.9 keys65.1 keys
3 AUG 2026 · 17:12 UTC80.0 keys69.5 keys
9 AUG 2026 · 09:11 UTC79.8 keys69.4 keys
18 AUG 2026 · 07:10 UTC78.6 keys68.3 keys
28 AUG 2026 · 22:10 UTC75.7 keys65.8 keys
29 AUG 2026 · 10:09 UTC77.4 keys67.3 keys
29 AUG 2026 · 22:09 UTC76.8 keys66.8 keys
30 AUG 2026 · 10:09 UTC79.4 keys69.1 keys
31 AUG 2026 · 10:09 UTC76.3 keys66.3 keys
31 AUG 2026 · 14:09 UTC76.6 keys66.6 keys
31 AUG 2026 · 18:10 UTC76.3 keys66.3 keys
31 AUG 2026 · 20:11 UTC76.3 keys66.3 keys
31 AUG 2026 · 22:10 UTC76.4 keys66.4 keys
1 SEP 2026 · 00:09 UTC76.4 keys66.4 keys
1 SEP 2026 · 02:09 UTC76.5 keys66.5 keys
1 SEP 2026 · 04:09 UTC76.3 keys66.4 keys
1 SEP 2026 · 08:08 UTC76.4 keys66.5 keys
1 SEP 2026 · 22:08 UTC76.3 keys66.4 keys
2 SEP 2026 · 18:09 UTC75.8 keys65.9 keys
3 SEP 2026 · 06:08 UTC76.4 keys66.4 keys
4 SEP 2026 · 00:08 UTC77.4 keys67.3 keys
4 SEP 2026 · 18:08 UTC83.7 keys72.8 keys

Price history in numbers

31 readings since 25 Sep 2025

Over the last 30 days the Kill-a-Watt Plumber's Cap's sell price ranged from 75.7 keys to 83.7 keys and is up 4.9% after 19 moves. Over a year it ranged from 66.9 keys to 103 keys (down 18.5%). Today's 83.7 keys sits in the middle of its range: the lowest we have recorded is 66.9 keys (5 Jul 2026) and the highest 103 keys (25 Sep 2025). The price has moved 30 times since we began recording it — about once every 11 days.

WindowLowHighChangeMovesReadings
30 days75.7 keys83.7 keys+4.9%1920
90 days66.9 keys83.7 keys+25.1%2425
a year66.9 keys103 keys−18.5%3031

Details

SKU30846;5;u56
Last price change2026-09-04 18:08 UTC
Key rate when recorded62.33 ref

Same effect, other items

the effect across the catalogue

Other effects on the Plumber's Cap

same item, different effect

Priced similarly

across the catalogue