tf2prices62.11 ref· $1.86

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Collector's Professional Killstreak Black Box

Collector'sProfessional Killstreak18h ago
Sell price
77 keys, 36.66 ref
Buy price
67 keys, 29.11 ref
In keys
77.6 keys
In USD
$176.13 at the Steam key rate

Price history

84 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.

Collector's Professional Killstreak Black Box sell price, 2026-03-18 to 2026-09-05: 84 observations, from 71.5 keys to 77.6 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
18 MAR 2026 · 20:08 UTC71.5 keys65.1 keys
1 APR 2026 · 08:31 UTC77.3 keys52.8 keys
19 APR 2026 · 22:32 UTC77.6 keys71.5 keys
3 MAY 2026 · 22:32 UTC72.4 keys66.9 keys
24 MAY 2026 · 18:32 UTC76.1 keys70.9 keys
8 JUN 2026 · 06:33 UTC69.8 keys61.2 keys
22 JUN 2026 · 12:12 UTC80.6 keys63.5 keys
5 JUL 2026 · 23:12 UTC63.1 keys54.9 keys
18 JUL 2026 · 18:44 UTC55.1 keys47.9 keys
3 AUG 2026 · 06:24 UTC79.6 keys69.2 keys
20 AUG 2026 · 20:08 UTC56.9 keys49.5 keys
23 AUG 2026 · 22:09 UTC79.7 keys69.3 keys
24 AUG 2026 · 20:09 UTC79.8 keys69.3 keys
25 AUG 2026 · 04:09 UTC79.5 keys69.1 keys
25 AUG 2026 · 10:09 UTC79.8 keys69.4 keys
25 AUG 2026 · 16:09 UTC79.6 keys69.2 keys
26 AUG 2026 · 02:09 UTC79.6 keys69.2 keys
26 AUG 2026 · 08:09 UTC79.8 keys69.4 keys
26 AUG 2026 · 18:09 UTC79.6 keys69.3 keys
27 AUG 2026 · 00:09 UTC79.6 keys69.3 keys
27 AUG 2026 · 08:09 UTC79.8 keys69.4 keys
27 AUG 2026 · 14:09 UTC79.7 keys69.3 keys
28 AUG 2026 · 00:09 UTC79.5 keys69.2 keys
28 AUG 2026 · 07:14 UTC79.7 keys69.3 keys
28 AUG 2026 · 18:09 UTC79.7 keys69.3 keys
29 AUG 2026 · 04:09 UTC79.8 keys69.4 keys
29 AUG 2026 · 12:10 UTC79.6 keys69.3 keys
29 AUG 2026 · 18:10 UTC79.9 keys69.4 keys
30 AUG 2026 · 06:09 UTC80.4 keys69.9 keys
30 AUG 2026 · 20:10 UTC80.1 keys69.6 keys
31 AUG 2026 · 04:10 UTC79.5 keys69.1 keys
31 AUG 2026 · 12:09 UTC80.1 keys69.7 keys
31 AUG 2026 · 20:11 UTC79.4 keys69.0 keys
1 SEP 2026 · 02:10 UTC79.3 keys69.0 keys
1 SEP 2026 · 10:09 UTC78.9 keys68.6 keys
1 SEP 2026 · 18:08 UTC79.0 keys68.7 keys
2 SEP 2026 · 06:09 UTC77.4 keys67.3 keys
3 SEP 2026 · 16:08 UTC80.6 keys70.1 keys
5 SEP 2026 · 00:08 UTC77.7 keys67.6 keys
5 SEP 2026 · 06:08 UTC77.6 keys67.5 keys

Price history in numbers

84 readings since 18 Mar 2026

Over the last 30 days the Collector's Professional Killstreak Black Box's sell price ranged from 56.9 keys to 81.7 keys and is down 3.1% after 63 moves. Over a year it ranged from 55.1 keys to 81.7 keys (up 8.5%). Today's 77.6 keys sits in the upper third of its range: the lowest we have recorded is 55.1 keys (18 Jul 2026) and the highest 81.7 keys (30 Aug 2026). The price has moved 83 times since we began recording it — about once every 2 days.

WindowLowHighChangeMovesReadings
30 days56.9 keys81.7 keys−3.1%6364
90 days55.1 keys81.7 keys+11.1%7273
a year55.1 keys81.7 keys+8.5%8384

Details

SKU228;14;kt-3
Last price change2026-09-05 06:08 UTC
Key rate when recorded62.00 ref

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