Supercompost

Super-good for the smallest or largest of plants. Supercompost is a members-only item traded on the Old School RuneScape Grand Exchange.

Supercompost trades for 38 gp, making it one of the cheapest items on the GE.

Supercompost is one of the most heavily traded items on the Grand Exchange with 16,690 trades recorded recently. With a buy limit of 2,000 every 4 hours, you can trade in large quantities per session. At the current margin, flipping the full buy limit yields up to 20,000 gp profit every 4 hours.

Supercompost currently has a positive margin of 10 gp after the GE tax, resulting in an ROI of 26.3%. The flip rating of 7/10 places this item in the mid range — decent margins but consider checking volume before committing. The price has dropped 17.4% in the last hour, which could signal a buying opportunity if the margin improves.

Supercompost has a high alchemy value of 51 gp, but at the current buy price it is not profitable to alch.

The price has dropped sharply — down 17.4% in the last hour. This could signal a sell-off or increased supply; it may be worth waiting for the price to stabilise before entering a flip.

With a tight spread, instant buy-and-sell is a viable approach for Supercompost. Undercutting the instant buy by a small amount (1 GP to a few hundred GP) is usually enough to get priority in the queue. High trading volume means offers tend to fill quickly, making this suitable for active flipping sessions where you want fast turnover.

Track margins and find profitable trades with the Flip Finder. Use the High Alch Calculator to check whether this item is worth alching as an alternative exit strategy.

Use the flip calculator above to estimate your profit based on quantity. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.