They’re not even consistent on that point either. Quark in this episode declares it worthless. In an episode of Voyager a couple of Ferengi are mentioned to have have tried to steal gold reserves from Ft Knox. And in Enterprise sine 22nd century Ferengi (pre-official first contact which was during TNG) raid the ship and are interested in the gold they think is hidden aboard.
They’re not even consistent on that point either. Quark in this episode declares it worthless. In an episode of Voyager a couple of Ferengi are mentioned to have have tried to steal gold reserves from Ft Knox. And in Enterprise sine 22nd century Ferengi (pre-official first contact which was during TNG) raid the ship and are interested in the gold they think is hidden aboard.