Yellow fin

Yellow Fin is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "High fin!"

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 300 gp, and item ID 32360.

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Yellow Fin currently has a flip margin of −3 gp, which isn't profitable to flip right now despite 918,690 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.