Soft clay

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

In-game examine text: "Clay soft enough to mould."

It has a Grand Exchange buy limit of 13,000 every four hours, a high alchemy value of 1 gp, and item ID 1761.

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Soft Clay currently has a flip margin of −2 gp, which isn't profitable to flip right now despite 2,117,048 trades over the last 24 hours.

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