Community price on backpack.tf: 53.0–69.0 keys, last changed 2025-03-10 (1.5y ago). The live quote above, 21.7 keys, is 59% lower and last moved 17d 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.
Price history
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 |
|---|---|---|
| 22 OCT 2025 · 01:39 UTC | 9.10 keys | 7.45 keys |
| 10 NOV 2025 · 02:44 UTC | 10.5 keys | 8.54 keys |
| 10 AUG 2026 · 17:11 UTC | 27.8 keys | 24.2 keys |
| 19 AUG 2026 · 22:10 UTC | 21.7 keys | 18.9 keys |
Price history in numbers
4 readings since 22 Oct 2025Over the last 30 days the Archimedes Strangifier's sell price ranged from 21.7 keys to 27.8 keys and is down 21.9% after 1 move. Over a year it ranged from 9.10 keys to 27.8 keys (up 138.4%). Today's 21.7 keys sits in the upper third of its range: the lowest we have recorded is 9.10 keys (22 Oct 2025) and the highest 27.8 keys (10 Aug 2026). The price has moved 3 times since we began recording it — about once every 101 days.
| Window | Low | High | Change | Moves | Readings |
|---|---|---|---|---|---|
| 30 days | 21.7 keys | 27.8 keys | −21.9% | 1 | 2 |
| 90 days | 21.7 keys | 27.8 keys | −21.9% | 1 | 2 |
| a year | 9.10 keys | 27.8 keys | +138.4% | 3 | 4 |
Details
| SKU | 6522;6;td-828 |
|---|---|
| Last price change | 2026-08-19 22:10 UTC |
| Key rate when recorded | 64.33 ref |
Priced similarly
across the catalogue| Item | Value | Updated |
|---|---|---|
| 21.7 keys | 1mo ago | |
| 22.1 keys | 4d ago | |
| 21.7 keys | 14d ago | |
| 21.6 keys | 14h ago | |
| 21.7 keys | 8d ago | |
| 21.7 keys | 7d ago | |
| 21.6 keys | 12h ago | |
| 21.7 keys | 19d ago |