Rune knife

Rune Knife is a members-only item on the OSRS Grand Exchange in the runes category.

In-game examine text: "A finely balanced throwing knife."

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 100 gp, and item ID 868.

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Rune Knife currently has a flip margin of −2 gp, which isn't profitable to flip right now despite 640,388 trades over the last 24 hours.

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