Community price on backpack.tf: 75.0 keys, last changed 2024-11-17 (1.8y ago). The live quote above, 25.2 keys, is 66% lower and last moved 1d 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
20 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 Data Mining Light sell price, 2025-09-25 to 2026-09-04: 20 observations, from 77.0 keys to 25.2 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
77.0 keys
63.0 keys
30 SEP 2025 · 21:06 UTC
76.9 keys
62.9 keys
9 OCT 2025 · 08:47 UTC
73.5 keys
66.1 keys
19 OCT 2025 · 20:35 UTC
69.9 keys
62.9 keys
25 OCT 2025 · 16:57 UTC
66.6 keys
59.9 keys
10 NOV 2025 · 00:58 UTC
68.3 keys
61.5 keys
23 JUN 2026 · 05:13 UTC
9.06 keys
7.88 keys
19 JUL 2026 · 22:44 UTC
9.12 keys
7.94 keys
29 JUL 2026 · 02:45 UTC
51.7 keys
45.0 keys
3 AUG 2026 · 02:24 UTC
53.3 keys
46.4 keys
10 AUG 2026 · 09:10 UTC
33.3 keys
28.8 keys
20 AUG 2026 · 02:09 UTC
34.4 keys
29.9 keys
23 AUG 2026 · 10:08 UTC
32.4 keys
28.2 keys
26 AUG 2026 · 02:09 UTC
55.8 keys
48.5 keys
27 AUG 2026 · 02:09 UTC
57.1 keys
49.6 keys
28 AUG 2026 · 03:04 UTC
57.3 keys
49.8 keys
29 AUG 2026 · 12:09 UTC
51.7 keys
45.0 keys
1 SEP 2026 · 16:08 UTC
33.5 keys
29.1 keys
2 SEP 2026 · 08:08 UTC
32.0 keys
27.8 keys
4 SEP 2026 · 14:08 UTC
25.2 keys
22.0 keys
Price history in numbers
20 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Data Mining Light's sell price ranged from 25.2 keys to 57.3 keys and is down 24.2% after 9 moves. Over a year it ranged from 9.06 keys to 77.0 keys (down 67.2%). Today's 25.2 keys sits in the lower third of its range: the lowest we have recorded is 9.06 keys (23 Jun 2026) and the highest 77.0 keys (25 Sep 2025). The price has moved 19 times since we began recording it — about once every 18 days.