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Collector's Professional Killstreak Black Box

Collector'sProfessional Killstreak12d ago
Sell price
78 keys, 24 ref
Buy price
68 keys, 9.77 ref
In keys
78.4 keys
In USD
$171.65 at the Steam key rate

Price history

162 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 2026-10-13: 162 observations, from 70.4 keys to 78.8 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
18 MAR 2026 · 20:08 UTC70.4 keys64.1 keys
19 APR 2026 · 22:32 UTC76.4 keys70.4 keys
17 MAY 2026 · 20:35 UTC75.2 keys70.0 keys
15 JUN 2026 · 02:32 UTC66.1 keys60.4 keys
18 JUL 2026 · 18:44 UTC54.2 keys47.1 keys
20 AUG 2026 · 20:08 UTC56.0 keys48.7 keys
24 AUG 2026 · 16:09 UTC77.9 keys67.8 keys
25 AUG 2026 · 08:09 UTC78.5 keys68.3 keys
25 AUG 2026 · 20:10 UTC78.4 keys68.1 keys
26 AUG 2026 · 14:09 UTC78.5 keys68.3 keys
27 AUG 2026 · 02:10 UTC78.4 keys68.2 keys
27 AUG 2026 · 14:09 UTC78.4 keys68.2 keys
28 AUG 2026 · 11:23 UTC78.5 keys68.3 keys
29 AUG 2026 · 06:09 UTC78.4 keys68.2 keys
30 AUG 2026 · 00:10 UTC78.8 keys68.5 keys
30 AUG 2026 · 20:10 UTC78.8 keys68.5 keys
31 AUG 2026 · 12:09 UTC78.8 keys68.6 keys
1 SEP 2026 · 02:10 UTC78.0 keys67.9 keys
1 SEP 2026 · 18:08 UTC77.8 keys67.6 keys
2 SEP 2026 · 08:09 UTC76.3 keys66.4 keys
5 SEP 2026 · 06:08 UTC76.4 keys66.4 keys
10 SEP 2026 · 00:09 UTC77.8 keys67.7 keys
11 SEP 2026 · 02:09 UTC77.3 keys67.2 keys
12 SEP 2026 · 04:09 UTC77.2 keys67.1 keys
13 SEP 2026 · 22:08 UTC78.0 keys67.8 keys
20 SEP 2026 · 12:11 UTC78.9 keys68.6 keys
24 SEP 2026 · 14:11 UTC78.8 keys68.6 keys
25 SEP 2026 · 16:08 UTC79.0 keys68.7 keys
29 SEP 2026 · 14:08 UTC78.7 keys68.4 keys
1 OCT 2026 · 08:09 UTC78.4 keys68.2 keys
3 OCT 2026 · 17:10 UTC79.9 keys69.5 keys
6 OCT 2026 · 15:10 UTC80.3 keys69.8 keys
7 OCT 2026 · 13:10 UTC79.3 keys68.9 keys
8 OCT 2026 · 05:11 UTC79.0 keys68.7 keys
8 OCT 2026 · 21:10 UTC80.3 keys69.9 keys
9 OCT 2026 · 13:10 UTC80.1 keys69.6 keys
10 OCT 2026 · 13:10 UTC80.3 keys69.9 keys
11 OCT 2026 · 05:10 UTC79.8 keys69.4 keys
11 OCT 2026 · 23:09 UTC78.8 keys68.5 keys
13 OCT 2026 · 01:09 UTC78.8 keys68.5 keys

Price history in numbers

162 readings since 18 Mar 2026

Over the last 30 days the Collector's Professional Killstreak Black Box's sell price ranged from 77.5 keys to 80.4 keys and is down 0.9% after 63 moves. Over a year it ranged from 54.2 keys to 80.4 keys (up 11.9%). Today's 78.8 keys sits in the upper third of its range: the lowest we have recorded is 54.2 keys (18 Jul 2026) and the highest 80.4 keys (4 Oct 2026). The price has moved 161 times since we began recording it — about once every day.

WindowLowHighChangeMovesReadings
30 days77.5 keys80.4 keys−0.9%6364
90 days54.2 keys80.4 keys+45.3%144145
a year54.2 keys80.4 keys+11.9%161162

Details

SKU228;14;kt-3
Last price change2026-10-01 08:09 UTC
Key rate when recorded63.00 ref

Priced similarly

across the catalogue