Community price on backpack.tf: 164 keys, last changed 2026-01-04 (9mo ago). The live quote above, 136 keys, is 17% lower and last moved 11d 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
108 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.
Tesla Coil Bonk Helm sell price, 2025-09-25 to 2026-10-12: 108 observations, from 124 keys to 140 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
124 keys
102 keys
19 OCT 2025 · 19:44 UTC
113 keys
102 keys
10 NOV 2025 · 00:02 UTC
110 keys
99.2 keys
5 JUL 2026 · 23:12 UTC
138 keys
120 keys
29 JUL 2026 · 00:45 UTC
152 keys
132 keys
16 AUG 2026 · 01:12 UTC
161 keys
140 keys
21 AUG 2026 · 14:08 UTC
125 keys
109 keys
22 AUG 2026 · 00:08 UTC
125 keys
108 keys
22 AUG 2026 · 10:08 UTC
125 keys
108 keys
22 AUG 2026 · 20:08 UTC
125 keys
108 keys
23 AUG 2026 · 02:08 UTC
125 keys
109 keys
23 AUG 2026 · 14:08 UTC
125 keys
109 keys
24 AUG 2026 · 00:09 UTC
126 keys
109 keys
25 AUG 2026 · 20:09 UTC
125 keys
109 keys
27 AUG 2026 · 00:08 UTC
126 keys
109 keys
28 AUG 2026 · 18:09 UTC
126 keys
109 keys
30 AUG 2026 · 14:09 UTC
129 keys
112 keys
1 SEP 2026 · 16:08 UTC
133 keys
116 keys
2 SEP 2026 · 16:08 UTC
134 keys
117 keys
4 SEP 2026 · 06:08 UTC
135 keys
118 keys
5 SEP 2026 · 18:08 UTC
134 keys
117 keys
8 SEP 2026 · 02:08 UTC
135 keys
118 keys
9 SEP 2026 · 16:09 UTC
134 keys
117 keys
11 SEP 2026 · 10:08 UTC
135 keys
118 keys
13 SEP 2026 · 00:08 UTC
136 keys
118 keys
14 SEP 2026 · 16:08 UTC
134 keys
117 keys
15 SEP 2026 · 22:08 UTC
137 keys
119 keys
18 SEP 2026 · 18:07 UTC
137 keys
119 keys
22 SEP 2026 · 00:08 UTC
139 keys
121 keys
23 SEP 2026 · 12:07 UTC
138 keys
120 keys
24 SEP 2026 · 12:08 UTC
139 keys
121 keys
26 SEP 2026 · 00:08 UTC
139 keys
121 keys
29 SEP 2026 · 10:08 UTC
139 keys
121 keys
1 OCT 2026 · 08:08 UTC
137 keys
119 keys
2 OCT 2026 · 15:12 UTC
138 keys
120 keys
6 OCT 2026 · 05:08 UTC
140 keys
122 keys
7 OCT 2026 · 17:10 UTC
140 keys
122 keys
9 OCT 2026 · 19:10 UTC
141 keys
123 keys
10 OCT 2026 · 19:09 UTC
141 keys
122 keys
12 OCT 2026 · 17:08 UTC
140 keys
122 keys
Price history in numbers
108 readings since 25 Sep 2025
Over the last 30 days the Tesla Coil Bonk Helm's sell price ranged from 134 keys to 141 keys and is up 3.3% after 40 moves. Over a year it ranged from 107 keys to 161 keys (up 24.2%). Today's 140 keys sits in the middle of its range: the lowest we have recorded is 107 keys (25 Oct 2025) and the highest 161 keys (10 Aug 2026). The price has moved 107 times since we began recording it — about once every 4 days.