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Terror-Watt Bone Cone

✦ Terror-WattUnusual12d ago
Sell price
99 keys, 36.66 ref
Buy price
86 keys, 37.44 ref
In keys
99.6 keys
In USD
$218.11 at the Steam key rate

Community price on backpack.tf: 135 keys, last changed 2023-05-06 (3.4y ago). The live quote above, 99.6 keys, is 26% lower and last moved 12d 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

88 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.

Terror-Watt Bone Cone sell price, 2025-09-25 to 2026-10-07: 88 observations, from 141 keys to 108 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC141 keys115 keys
9 OCT 2025 · 10:18 UTC134 keys120 keys
25 OCT 2025 · 18:27 UTC121 keys109 keys
22 JUN 2026 · 17:13 UTC105 keys91.0 keys
5 JUL 2026 · 23:12 UTC95.6 keys83.1 keys
19 JUL 2026 · 22:44 UTC101 keys87.9 keys
4 AUG 2026 · 13:12 UTC95.8 keys83.3 keys
23 AUG 2026 · 00:09 UTC103 keys89.9 keys
24 AUG 2026 · 16:09 UTC103 keys89.9 keys
27 AUG 2026 · 02:10 UTC105 keys91.2 keys
27 AUG 2026 · 08:09 UTC107 keys92.8 keys
29 AUG 2026 · 06:09 UTC108 keys93.9 keys
7 SEP 2026 · 02:09 UTC92.7 keys80.6 keys
7 SEP 2026 · 10:08 UTC93.1 keys80.9 keys
8 SEP 2026 · 10:09 UTC92.0 keys79.9 keys
9 SEP 2026 · 16:10 UTC91.6 keys79.7 keys
11 SEP 2026 · 10:08 UTC93.6 keys81.4 keys
12 SEP 2026 · 10:08 UTC94.8 keys82.4 keys
13 SEP 2026 · 10:09 UTC95.7 keys83.2 keys
14 SEP 2026 · 14:08 UTC95.2 keys82.8 keys
16 SEP 2026 · 08:08 UTC98.2 keys85.4 keys
18 SEP 2026 · 04:07 UTC93.3 keys81.1 keys
20 SEP 2026 · 12:11 UTC93.7 keys81.5 keys
20 SEP 2026 · 20:10 UTC94.3 keys82.0 keys
21 SEP 2026 · 06:10 UTC95.5 keys83.1 keys
21 SEP 2026 · 10:11 UTC95.5 keys83.1 keys
21 SEP 2026 · 16:10 UTC95.2 keys82.8 keys
22 SEP 2026 · 00:09 UTC95.8 keys83.3 keys
23 SEP 2026 · 02:08 UTC96.2 keys83.7 keys
24 SEP 2026 · 14:11 UTC98.3 keys85.5 keys
26 SEP 2026 · 04:09 UTC99.1 keys86.1 keys
27 SEP 2026 · 06:09 UTC101 keys87.7 keys
28 SEP 2026 · 22:08 UTC101 keys88.0 keys
30 SEP 2026 · 16:09 UTC100 keys87.3 keys
1 OCT 2026 · 16:09 UTC99.6 keys86.6 keys
2 OCT 2026 · 17:11 UTC103 keys89.4 keys
3 OCT 2026 · 17:10 UTC106 keys92.2 keys
5 OCT 2026 · 17:09 UTC108 keys94.0 keys
6 OCT 2026 · 23:10 UTC108 keys93.5 keys
7 OCT 2026 · 23:11 UTC108 keys93.8 keys

Price history in numbers

88 readings since 25 Sep 2025

Over the last 30 days the Terror-Watt Bone Cone's sell price ranged from 93.3 keys to 109 keys and is up 12.7% after 47 moves. Over a year it ranged from 91.6 keys to 127 keys (down 15.1%). Today's 108 keys sits in the middle of its range: the lowest we have recorded is 91.6 keys (9 Sep 2026) and the highest 141 keys (25 Sep 2025). The price has moved 87 times since we began recording it — about once every 4 days.

WindowLowHighChangeMovesReadings
30 days93.3 keys109 keys+12.7%4748
90 days91.6 keys109 keys+6.6%7677
a year91.6 keys127 keys−15.1%8485

Details

SKU31218;5;u57
Last price change2026-10-01 16:09 UTC
Key rate when recorded61.78 ref

Same effect, other items

the effect across the catalogue
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Terror-Watt Bonk Boy309 keys12d ago
Terror-Watt Polar Pullover249 keys2mo ago
Terror-Watt Blighted Beak250 keys12d ago
Terror-Watt Legendary Lid237 keys12d ago
Terror-Watt Co-Pilot207 keys2mo ago
Terror-Watt Boarder's Beanie195 keys11mo ago

Other effects on the Bone Cone

same item, different effect
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Eyes of Molten Bone Cone189 keys13d ago
Haunted Forever! Bone Cone183 keys3mo ago
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Cloud 9 Bone Cone171 keys3mo ago

Priced similarly

across the catalogue