Sell price
2 keys
Buy price
1 key, 25.11 ref
In keys
2.00 keys
In USD
$4.40 at the Steam key rate
Price history
6 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 |
|---|---|---|
| 9 MAR 2026 · 12:03 UTC | 1.09 keys | 0.82 keys |
| 30 MAR 2026 · 08:26 UTC | 1.17 keys | 0.82 keys |
| 3 AUG 2026 · 13:08 UTC | 2.05 keys | 1.37 keys |
| 19 AUG 2026 · 12:09 UTC | 2.04 keys | 1.38 keys |
| 16 SEP 2026 · 02:09 UTC | 2.00 keys | 1.40 keys |
| 2 OCT 2026 · 09:10 UTC | 1.99 keys | 1.39 keys |
Price history in numbers
6 readings since 9 Mar 2026Over the last 30 days the Mann Co. Supply Crate #21's sell price ranged from 1.99 keys to 2.00 keys and is down 0.4% after 1 move. Over a year it ranged from 1.09 keys to 2.05 keys (up 82.9%). Today's 1.99 keys sits in the upper third of its range: the lowest we have recorded is 1.09 keys (9 Mar 2026) and the highest 2.05 keys (3 Aug 2026). The price has moved 5 times since we began recording it — about once every 41 days.
| Window | Low | High | Change | Moves | Readings |
|---|---|---|---|---|---|
| 30 days | 1.99 keys | 2.00 keys | −0.4% | 1 | 2 |
| 90 days | 1.99 keys | 2.05 keys | −2.6% | 3 | 4 |
| a year | 1.09 keys | 2.05 keys | +82.9% | 5 | 6 |
Details
| SKU | 5045;6;c21 |
|---|---|
| Last price change | 2026-09-16 02:09 UTC |
| Key rate when recorded | 63.11 ref |
Priced similarly
across the catalogue| Item | Value | Updated |
|---|---|---|
 Mann Co. Supply Crate #14 | 2.00 keys | 27d ago |
| Mann Co. Supply Crate #20 | 2.00 keys | 27d ago |
| 2.01 keys | 11d ago | |
 Strange Monsieur Grenouille | 2.01 keys | 11d ago |
| 1.96 keys | 1mo ago | |
 Haunted Raven's Visage | 2.01 keys | 11d ago |
| 2.00 keys | 28d ago | |
 Taunt: The Critical Fail | 2.01 keys | 11d ago |