Rune mace

Rune Mace is a free-to-play item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "A spiky mace."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 8.6k gp, and item ID 1432.

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Rune Mace currently has a flip margin of −10 gp, which isn't profitable to flip right now despite 28,582 trades over the last 24 hours.

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