Guam tar price - OSRS Grand Exchange

A thick, foul-smelling, tar-like substance with a green tinge. The current Old School RuneScape Grand Exchange price of Guam tar is approximately 57 gp (buy 95 gp, sell 18 gp).

• Buy (insta-buy) price: 95 gp
• Sell (insta-sell) price: 18 gp
• Buy limit (4 hours): 7,000
• High alchemy value: 1 gp
• Members item: Yes

Guam tar price trend, last 30 days

Over the last 30 days, Guam tar has traded between 7 gp and 35 gp. The price is up 38.9% across that window, moving from about 18 gp to 25 gp, and up 127.3% over the last 7 days. The sharpest single-day move in that stretch was +218.2% on October 11, 2026.

About 3,622,308 units changed hands across those 30 trading days, an average of 120,744 per day, so Guam tar is currently extremely liquid: offers at fair prices typically fill within minutes.

For flippers, the current spread is 77 gp before tax and about 76 gp per item after the 2% GE tax; a full buy-limit cycle of 7,000 ties up about 126,000 gp and can return up to 532,000 gp. Step-by-step numbers are on the how to flip Guam tar page.

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