Shark lure

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

In-game examine text: "Sharks just can't get enough of these"

It has a Grand Exchange buy limit of 10,000 every four hours, a high alchemy value of 6 gp, and item ID 30900.

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Shark Lure shows an active flip setup with a margin of +32 gp and 733,362 trades over the last 24 hours.

At the buy limit of 10,000 every four hours, max profit per cycle is about 320.0k gp — high margin with healthy liquidity.