Ourg bones

Ourg Bones is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Ancient ogre bones from the ogre burial tomb."

It has a Grand Exchange buy limit of 7,500 every four hours, a high alchemy value of 1 gp, and item ID 4834.

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Ourg Bones currently has a flip margin of −812 gp, which isn't profitable to flip right now despite 3,963 trades over the last 24 hours.

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