Sandworms

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

In-game examine text: "Can be used as bait for catching anglerfish."

It has a Grand Exchange buy limit of 8,000 every four hours, a high alchemy value of 54 gp, and item ID 13431.

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Sandworms currently has a flip margin of +0 gp, which isn't profitable to flip right now despite 3,653,725 trades over the last 24 hours.

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