Seaweed price - OSRS Grand Exchange

Slightly damp seaweed. The current Old School RuneScape Grand Exchange price of Seaweed is approximately 6 gp (buy 6 gp, sell 5 gp).

• Buy (insta-buy) price: 6 gp
• Sell (insta-sell) price: 5 gp
• Buy limit (4 hours): 13,000
• High alchemy value: 1 gp
• Members item: Yes

Seaweed price trend, last 30 days

Over the last 30 days, Seaweed has traded between 3 gp and 7 gp. The price is roughly flat across that window, moving from about 6 gp to 6 gp, and roughly flat over the last 7 days. The sharpest single-day move in that stretch was -50.0% on October 10, 2026.

About 12,217,407 units changed hands across those 30 trading days, an average of 407,247 per day, so Seaweed is currently extremely liquid: offers at fair prices typically fill within minutes.

For flippers, the current spread is 1 gp before tax and about 1 gp per item after the 2% GE tax; a full buy-limit cycle of 13,000 ties up about 65,000 gp and can return up to 13,000 gp. Step-by-step numbers are on the how to flip Seaweed page.

View the live Seaweed price chart, daily volume and full history on GrandExchange.com.