Raw shark

Raw Shark is a members-only item on the OSRS Grand Exchange in the food category.

In-game examine text: "I should try cooking this."

It has a Grand Exchange buy limit of 15,000 every four hours, a high alchemy value of 102 gp, and item ID 383.

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Raw Shark shows an active flip setup with a margin of +5 gp and 2,012,491 trades over the last 24 hours.

At the buy limit of 15,000 every four hours, max profit per cycle is about 75.0k gp — high margin with healthy liquidity.