Community price on backpack.tf: 239–260 keys, last changed 2026-03-14 (7mo ago). The live quote above, 233 keys, is 3% lower and last moved 14d 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: $613.93 — the lowest of 2 listings for the Purple Energy effect when we looked on 2026-10-13 01:30 UTC (7h 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 232 keys, 44.44 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 Killer Exclusive”, with no effect in the name — the effect comes from the individual listing.
Price history
80 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.
Purple Energy Killer Exclusive sell price, 2025-09-25 to 2026-10-13: 80 observations, from 262 keys to 235 keys. Sampled evenly across the range.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
262 keys
193 keys
9 OCT 2025 · 07:52 UTC
249 keys
202 keys
25 OCT 2025 · 15:55 UTC
225 keys
183 keys
16 NOV 2025 · 06:32 UTC
301 keys
221 keys
29 DEC 2025 · 00:46 UTC
230 keys
187 keys
17 MAY 2026 · 22:30 UTC
218 keys
179 keys
29 JUN 2026 · 13:12 UTC
226 keys
196 keys
12 JUL 2026 · 20:45 UTC
216 keys
187 keys
29 JUL 2026 · 00:45 UTC
234 keys
203 keys
10 AUG 2026 · 01:11 UTC
206 keys
179 keys
25 AUG 2026 · 18:09 UTC
203 keys
177 keys
26 AUG 2026 · 18:08 UTC
203 keys
177 keys
28 AUG 2026 · 20:09 UTC
230 keys
200 keys
29 AUG 2026 · 20:09 UTC
217 keys
189 keys
2 SEP 2026 · 02:08 UTC
203 keys
177 keys
4 SEP 2026 · 00:08 UTC
206 keys
179 keys
4 SEP 2026 · 10:08 UTC
233 keys
203 keys
4 SEP 2026 · 20:07 UTC
227 keys
198 keys
5 SEP 2026 · 04:08 UTC
234 keys
204 keys
5 SEP 2026 · 12:09 UTC
225 keys
196 keys
6 SEP 2026 · 00:08 UTC
226 keys
196 keys
6 SEP 2026 · 10:08 UTC
234 keys
204 keys
6 SEP 2026 · 18:08 UTC
226 keys
196 keys
7 SEP 2026 · 16:07 UTC
230 keys
200 keys
8 SEP 2026 · 16:08 UTC
229 keys
199 keys
10 SEP 2026 · 08:08 UTC
228 keys
198 keys
10 SEP 2026 · 16:08 UTC
226 keys
197 keys
11 SEP 2026 · 04:08 UTC
228 keys
199 keys
12 SEP 2026 · 20:08 UTC
228 keys
199 keys
18 SEP 2026 · 04:07 UTC
231 keys
201 keys
26 SEP 2026 · 00:08 UTC
233 keys
203 keys
26 SEP 2026 · 08:08 UTC
234 keys
203 keys
26 SEP 2026 · 12:08 UTC
234 keys
203 keys
27 SEP 2026 · 06:08 UTC
235 keys
205 keys
28 SEP 2026 · 06:10 UTC
236 keys
205 keys
2 OCT 2026 · 13:11 UTC
231 keys
201 keys
6 OCT 2026 · 05:08 UTC
235 keys
204 keys
6 OCT 2026 · 17:09 UTC
235 keys
204 keys
7 OCT 2026 · 01:08 UTC
234 keys
203 keys
13 OCT 2026 · 07:08 UTC
235 keys
204 keys
Price history in numbers
80 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Killer Exclusive's sell price ranged from 229 keys to 236 keys and is up 2.3% after 21 moves. Over a year it ranged from 202 keys to 301 keys (down 0.8%). Today's 235 keys sits in the middle of its range: the lowest we have recorded is 202 keys (2 Sep 2026) and the highest 301 keys (16 Nov 2025). The price has moved 79 times since we began recording it — about once every 5 days.