Brass key

Opens a door that leads into a dungeon. Brass key is a free-to-play item traded on the Old School RuneScape Grand Exchange.

Brass key trades for 456 gp, making it one of the cheapest items on the GE. The buy-sell spread is 6 gp (1.3%), which indicates a tight spread common in actively traded items.

Brass key has very low trading volume (37 recent trades), which means wider spreads and slower fills. The buy limit of 15 every 4 hours is worth planning around when scaling flips.

Brass key currently has a negative margin of -10 gp after tax, meaning instant flips would result in a loss at these prices. Margins fluctuate throughout the day — check back later or set a price alert to be notified when the margin turns positive.

Brass key has a high alchemy value of 1 gp, but at the current buy price it is not profitable to alch.

Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.