Community price on backpack.tf: 212 keys, last changed 2017-03-01 (9.6y ago). The live quote above, 132 keys, is 38% 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
52 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 Phononaut sell price, 2025-09-25 to 2026-10-13: 52 observations, from 217 keys to 134 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
217 keys
177 keys
30 SEP 2025 · 21:25 UTC
216 keys
177 keys
19 OCT 2025 · 20:54 UTC
196 keys
177 keys
25 OCT 2025 · 17:17 UTC
187 keys
168 keys
10 NOV 2025 · 01:18 UTC
192 keys
173 keys
29 JUN 2026 · 01:14 UTC
175 keys
152 keys
5 JUL 2026 · 23:12 UTC
167 keys
145 keys
12 JUL 2026 · 22:44 UTC
168 keys
146 keys
19 JUL 2026 · 22:44 UTC
175 keys
152 keys
3 AUG 2026 · 00:24 UTC
189 keys
164 keys
10 AUG 2026 · 11:10 UTC
193 keys
168 keys
18 AUG 2026 · 22:33 UTC
150 keys
130 keys
30 AUG 2026 · 00:09 UTC
128 keys
111 keys
31 AUG 2026 · 04:09 UTC
133 keys
116 keys
31 AUG 2026 · 10:09 UTC
134 keys
117 keys
5 SEP 2026 · 18:08 UTC
132 keys
115 keys
6 SEP 2026 · 08:09 UTC
137 keys
119 keys
8 SEP 2026 · 10:08 UTC
133 keys
116 keys
9 SEP 2026 · 20:09 UTC
125 keys
109 keys
11 SEP 2026 · 22:08 UTC
134 keys
116 keys
12 SEP 2026 · 06:08 UTC
134 keys
117 keys
12 SEP 2026 · 18:08 UTC
134 keys
117 keys
13 SEP 2026 · 12:08 UTC
135 keys
117 keys
20 SEP 2026 · 22:11 UTC
133 keys
116 keys
22 SEP 2026 · 16:09 UTC
133 keys
116 keys
23 SEP 2026 · 02:08 UTC
134 keys
116 keys
23 SEP 2026 · 04:09 UTC
134 keys
116 keys
26 SEP 2026 · 08:08 UTC
134 keys
117 keys
26 SEP 2026 · 16:09 UTC
134 keys
117 keys
27 SEP 2026 · 06:09 UTC
135 keys
117 keys
27 SEP 2026 · 10:08 UTC
135 keys
118 keys
1 OCT 2026 · 12:08 UTC
132 keys
115 keys
5 OCT 2026 · 23:10 UTC
135 keys
117 keys
6 OCT 2026 · 01:08 UTC
135 keys
117 keys
6 OCT 2026 · 05:08 UTC
135 keys
117 keys
6 OCT 2026 · 11:09 UTC
135 keys
118 keys
10 OCT 2026 · 01:10 UTC
14.2 keys
12.4 keys
10 OCT 2026 · 13:09 UTC
14.2 keys
12.4 keys
12 OCT 2026 · 15:08 UTC
134 keys
116 keys
13 OCT 2026 · 03:08 UTC
134 keys
116 keys
Price history in numbers
52 readings since 25 Sep 2025
Over the last 30 days the Tesla Coil Phononaut's sell price ranged from 14.2 keys to 135 keys and is down 0.7% after 22 moves. Over a year it ranged from 14.2 keys to 196 keys (down 32.0%). Today's 134 keys sits in the middle of its range: the lowest we have recorded is 14.2 keys (10 Oct 2026) and the highest 217 keys (25 Sep 2025). The price has moved 51 times since we began recording it — about once every 8 days.