Iron spear

Iron Spear is a members-only item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "An iron tipped spear."

It has a Grand Exchange buy limit of 125 every four hours, a high alchemy value of 54 gp, and item ID 1239.

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Iron Spear shows an active flip setup with a margin of +531 gp and 592 trades over the last 24 hours.

At the buy limit of 125 every four hours, max profit per cycle is about 66.4k gp — high margin with healthy liquidity.