Runite ore

Runite Ore is a free-to-play item on the OSRS Grand Exchange in the ores category.

In-game examine text: "This needs refining."

It has a Grand Exchange buy limit of 4,500 every four hours, a high alchemy value of 1.9k gp, and item ID 451.

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Runite Ore currently has a flip margin of −58 gp, which isn't profitable to flip right now despite 1,303,896 trades over the last 24 hours.

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