Contango in gold is a futures market structure where contracts for later delivery trade at higher prices than spot gold. It is the normal state for the metal because a forward price has to cover the dollar interest on the capital committed, plus storage and insurance to the delivery month, net of any lease income earned on the bullion.
The same economics appear on a retail spot position as the overnight swap charge, which is why swap and the futures curve widen together when dollar funding rates rise. Contango is a carry calculation rather than a directional signal, and it explains why the COMEX front month and spot XAUUSD quote different prices for the same metal.