550gp
450gp
100gp
+89gp
—
—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 450
- 30D high
- 550
- Volatility
- 20.0%
Flip calculator
Includes the 2% Grand Exchange tax
+89gp
+89 per item · +19.78% ROI
- Capital required
- 450 gp
- Gross revenue
- 550 gp
- GE tax (2%, 11/item)
- − 11 gp
- Break-even sell
- 459 gp
Item data
- High alchemy
- 1 gp99.8% below market
- Low alchemy
- 1 gp
- Shop value
- 1 gp
- Weight
- 0.01 kg
- Stack / note
- Not stackable · noteable
- Released
- Jan 4, 2001
About Brass key
The Brass key is a free-to-play item in Old School RuneScape.
"Opens a door that leads into a dungeon"
Over the last 30 days it traded between 392 and 1,139 gp on the Grand Exchange, averaging 483 gp. About 1,120 units changed hands per day. The price is up 10.7% across that window. The Grand Exchange buy limit is 15 every 4 hours. Selling one at the average price costs 9 gp in Grand Exchange tax.
Casting High Level Alchemy returns 1 gp, which is 99.8% below the 30-day average price, so alching a bought one loses money.
Brass key price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 520 | 434 | 675 | 20,434 |
| September 2026 | 428 | 338 | 1,139 | 20,393 |
| August 2026 | 471 | 363 | 575 | 19,786 |
| July 2026 | 508 | 351 | 1,176 | 24,920 |
| June 202621d | 509 | 389 | 664 | 11,629 |
| May 20262d | 360 | 326 | 394 | 1,038 |
| April 20261d | 429 | 429 | 429 | 592 |
| March 2026 | 483 | 340 | 1,116 | 21,454 |
| February 2026 | 503 | 405 | 795 | 16,407 |
| January 2026 | 469 | 400 | 594 | 17,074 |
Across 10 months of recorded prices Brass key ranged from 326 gp in May 2026 to 1,176 gp in July 2026, measured over 218 trading days.
The 30-day average of 483 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
