Community price on backpack.tf: 15.0–22.0 keys, last changed 2025-11-15 (10mo ago). The live quote above, 9.55 keys, is 36% lower and last moved 22d 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: $34.75 — the lowest of 2 listings for the Current Conductor effect when we looked on 2026-08-29 01:36 UTC (8d 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 9 keys, 35.44 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 Professor Photon”, with no effect in the name — the effect comes from the individual listing.
Price history
21 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.
Current Conductor Professor Photon sell price, 2025-11-25 to 2026-08-14: 21 observations, from 21.6 keys to 9.55 keys.
Observed (UTC)
Sell
Buy
25 NOV 2025 · 08:41 UTC
21.6 keys
14.1 keys
8 DEC 2025 · 11:00 UTC
15.0 keys
7.07 keys
17 DEC 2025 · 06:56 UTC
14.8 keys
7.25 keys
31 DEC 2025 · 03:02 UTC
9.12 keys
6.46 keys
29 JAN 2026 · 03:46 UTC
9.48 keys
5.59 keys
1 FEB 2026 · 09:44 UTC
13.4 keys
5.99 keys
17 FEB 2026 · 06:41 UTC
9.65 keys
5.59 keys
26 FEB 2026 · 08:42 UTC
8.91 keys
5.26 keys
4 MAR 2026 · 08:42 UTC
8.69 keys
5.22 keys
8 MAR 2026 · 22:44 UTC
8.20 keys
5.17 keys
15 MAR 2026 · 08:09 UTC
7.52 keys
4.92 keys
25 MAR 2026 · 00:09 UTC
8.08 keys
5.75 keys
31 MAR 2026 · 04:31 UTC
8.27 keys
5.62 keys
10 APR 2026 · 06:30 UTC
8.84 keys
3.03 keys
22 APR 2026 · 02:31 UTC
9.00 keys
2.25 keys
29 APR 2026 · 06:31 UTC
9.79 keys
6.61 keys
10 JUL 2026 · 06:44 UTC
5.80 keys
5.04 keys
18 JUL 2026 · 22:43 UTC
7.08 keys
6.15 keys
26 JUL 2026 · 00:45 UTC
6.18 keys
5.35 keys
10 AUG 2026 · 01:11 UTC
7.27 keys
6.32 keys
14 AUG 2026 · 21:11 UTC
9.55 keys
8.32 keys
Price history in numbers
21 readings since 25 Nov 2025
Over the last 30 days the Current Conductor Professor Photon's sell price ranged from 7.27 keys to 9.55 keys and is up 31.3% after 1 move. Over a year it ranged from 5.80 keys to 21.6 keys (down 55.8%). Today's 9.55 keys sits in the lower third of its range: the lowest we have recorded is 5.80 keys (10 Jul 2026) and the highest 21.6 keys (25 Nov 2025). The price has moved 20 times since we began recording it — about once every 13 days.
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