Black longsword

A razor sharp longsword. Black longsword is a free-to-play item traded on the Old School RuneScape Grand Exchange.

Black longsword trades for 444 gp, making it one of the cheapest items on the GE. The buy-sell spread is 3 gp (0.7%), which indicates a tight spread common in actively traded items.

Black longsword has very low trading volume (9 recent trades), which means wider spreads and slower fills. The buy limit of 125 every 4 hours is worth planning around when scaling flips.

Black longsword currently has a negative margin of -7 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.

High alching Black longsword yields a profit of 33 gp per cast (before nature rune cost). At ~1,200 casts per hour, that's up to 39.6k/hr in passive income while training Magic.

Compare alch profits across all items on the High Alch Calculator. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.