Strange Professional Killstreak Black Box
StrangeProfessional Killstreak12d ago
Sell price
10 keys, 33.55 ref
Buy price
10 keys, 4.33 ref
In keys
10.5 keys
In USD
$23.08 at the Steam key rate
Price history
390 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.
| Observed (UTC) | Sell | Buy |
|---|---|---|
| 25 SEP 2025 · 03:29 UTC | 10.4 keys | 9.76 keys |
| 1 DEC 2025 · 11:03 UTC | 11.0 keys | 10.4 keys |
| 8 FEB 2026 · 18:22 UTC | 9.32 keys | 9.00 keys |
| 29 APR 2026 · 00:32 UTC | 9.58 keys | 9.43 keys |
| 5 JUL 2026 · 23:12 UTC | 9.94 keys | 9.47 keys |
| 21 AUG 2026 · 22:09 UTC | 10.9 keys | 10.8 keys |
| 23 AUG 2026 · 06:09 UTC | 11.6 keys | 10.9 keys |
| 24 AUG 2026 · 18:09 UTC | 11.5 keys | 10.9 keys |
| 25 AUG 2026 · 22:09 UTC | 12.3 keys | 10.7 keys |
| 27 AUG 2026 · 00:09 UTC | 12.4 keys | 10.8 keys |
| 28 AUG 2026 · 07:14 UTC | 11.6 keys | 10.8 keys |
| 29 AUG 2026 · 20:10 UTC | 11.1 keys | 10.7 keys |
| 31 AUG 2026 · 14:09 UTC | 12.5 keys | 10.9 keys |
| 2 SEP 2026 · 02:08 UTC | 11.2 keys | 10.7 keys |
| 3 SEP 2026 · 14:08 UTC | 11.2 keys | 11.0 keys |
| 5 SEP 2026 · 08:08 UTC | 11.1 keys | 10.4 keys |
| 7 SEP 2026 · 14:08 UTC | 11.4 keys | 11.3 keys |
| 9 SEP 2026 · 22:08 UTC | 11.2 keys | 10.1 keys |
| 12 SEP 2026 · 00:10 UTC | 11.2 keys | 9.94 keys |
| 13 SEP 2026 · 12:08 UTC | 11.2 keys | 10.1 keys |
| 14 SEP 2026 · 20:08 UTC | 11.3 keys | 10.5 keys |
| 16 SEP 2026 · 06:08 UTC | 11.2 keys | 10.8 keys |
| 17 SEP 2026 · 22:09 UTC | 11.3 keys | 11.0 keys |
| 19 SEP 2026 · 12:09 UTC | 11.2 keys | 10.8 keys |
| 21 SEP 2026 · 02:11 UTC | 11.1 keys | 11.0 keys |
| 22 SEP 2026 · 06:09 UTC | 11.0 keys | 11.0 keys |
| 23 SEP 2026 · 22:11 UTC | 11.0 keys | 10.5 keys |
| 25 SEP 2026 · 04:08 UTC | 11.0 keys | 10.6 keys |
| 26 SEP 2026 · 08:08 UTC | 11.0 keys | 10.6 keys |
| 28 SEP 2026 · 06:11 UTC | 11.1 keys | 10.8 keys |
| 29 SEP 2026 · 18:09 UTC | 10.9 keys | 10.7 keys |
| 1 OCT 2026 · 18:08 UTC | 10.5 keys | 10.1 keys |
| 3 OCT 2026 · 19:10 UTC | 10.4 keys | 9.95 keys |
| 5 OCT 2026 · 01:09 UTC | 11.1 keys | 10.2 keys |
| 6 OCT 2026 · 11:09 UTC | 11.1 keys | 10.4 keys |
| 7 OCT 2026 · 19:10 UTC | 12.3 keys | 10.7 keys |
| 9 OCT 2026 · 01:09 UTC | 11.1 keys | 10.9 keys |
| 10 OCT 2026 · 11:09 UTC | 12.5 keys | 10.9 keys |
| 11 OCT 2026 · 15:09 UTC | 11.1 keys | 11.1 keys |
| 12 OCT 2026 · 23:09 UTC | 11.1 keys | 9.99 keys |
Price history in numbers
390 readings since 25 Sep 2025Over the last 30 days the Strange Professional Killstreak Black Box's sell price ranged from 10.2 keys to 13.4 keys and is down 0.8% after 175 moves. Over a year it ranged from 9.18 keys to 13.4 keys (up 6.0%). Today's 11.1 keys sits in the middle of its range: the lowest we have recorded is 9.18 keys (15 Mar 2026) and the highest 13.4 keys (10 Oct 2026). The price has moved 343 times since we began recording it — about once every day.
| Window | Low | High | Change | Moves | Readings |
|---|---|---|---|---|---|
| 30 days | 10.2 keys | 13.4 keys | −0.8% | 175 | 201 |
| 90 days | 10.2 keys | 13.4 keys | +6.9% | 301 | 348 |
| a year | 9.18 keys | 13.4 keys | +6.0% | 339 | 386 |
Details
| SKU | 228;11;kt-3 |
|---|---|
| Last price change | 2026-10-01 18:08 UTC |
| Key rate when recorded | 62.33 ref |
Priced similarly
across the catalogue| Item | Value | Updated |
|---|---|---|
| 10.4 keys | 13d ago | |
| 10.4 keys | 13d ago | |
| 10.4 keys | 12d ago | |
| 10.2 keys | 3mo ago | |
| 10.2 keys | 2mo ago | |
| 10.4 keys | 12d ago | |
| 10.4 keys | 12d ago | |
| 10.5 keys | 11d ago |