Community price on backpack.tf: 37.0–39.0 keys, last changed 2021-11-20 (4.9y ago). The live quote above, 24.3 keys, is 34% lower and last moved 13d 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
28 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 Doctor's Sack sell price, 2025-09-25 to 2026-10-09: 28 observations, from 40.6 keys to 8.35 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
40.6 keys
31.6 keys
30 SEP 2025 · 20:25 UTC
40.6 keys
30.7 keys
9 OCT 2025 · 08:08 UTC
38.8 keys
32.3 keys
19 OCT 2025 · 19:54 UTC
36.9 keys
30.7 keys
25 OCT 2025 · 16:13 UTC
35.1 keys
29.3 keys
10 NOV 2025 · 00:14 UTC
36.0 keys
30.8 keys
22 JUN 2026 · 17:13 UTC
41.5 keys
36.1 keys
29 JUN 2026 · 15:12 UTC
43.0 keys
37.3 keys
5 JUL 2026 · 23:12 UTC
41.0 keys
35.7 keys
12 JUL 2026 · 20:45 UTC
41.9 keys
36.5 keys
23 JUL 2026 · 22:45 UTC
46.4 keys
40.3 keys
29 JUL 2026 · 00:45 UTC
48.7 keys
42.3 keys
3 AUG 2026 · 19:11 UTC
45.3 keys
39.4 keys
8 AUG 2026 · 11:12 UTC
53.0 keys
46.2 keys
17 AUG 2026 · 11:10 UTC
52.9 keys
46.1 keys
29 AUG 2026 · 04:09 UTC
8.31 keys
7.23 keys
31 AUG 2026 · 08:09 UTC
22.9 keys
19.9 keys
3 SEP 2026 · 18:09 UTC
18.7 keys
16.2 keys
8 SEP 2026 · 16:08 UTC
8.13 keys
7.07 keys
12 SEP 2026 · 18:08 UTC
23.2 keys
20.2 keys
13 SEP 2026 · 12:08 UTC
23.5 keys
20.4 keys
14 SEP 2026 · 10:07 UTC
18.2 keys
15.9 keys
18 SEP 2026 · 20:07 UTC
18.1 keys
15.7 keys
30 SEP 2026 · 16:08 UTC
24.3 keys
21.1 keys
3 OCT 2026 · 13:09 UTC
18.1 keys
15.8 keys
6 OCT 2026 · 01:08 UTC
18.7 keys
16.3 keys
7 OCT 2026 · 09:09 UTC
8.16 keys
7.09 keys
9 OCT 2026 · 15:10 UTC
8.35 keys
7.26 keys
Price history in numbers
28 readings since 25 Sep 2025
Over the last 30 days the Purple Energy Doctor's Sack's sell price ranged from 8.16 keys to 24.3 keys and is down 64.4% after 7 moves. Over a year it ranged from 8.13 keys to 53.0 keys (down 77.4%). Today's 8.35 keys sits at the bottom of its range: the lowest we have recorded is 8.13 keys (8 Sep 2026) and the highest 53.0 keys (8 Aug 2026). The price has moved 27 times since we began recording it — about once every 14 days.
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