Nadex binaries are binary options contracts traded on the North American Derivatives Exchange (Nadex), a U.S.-regulated exchange specializing in short-term derivatives. These instruments allow traders to take positions on various markets, including forex, commodities, and stock indices, with predefined risk and reward. Nadex binaries settle at either 0 or 100, depending on whether the contract's condition is met, making them a popular tool for speculative trading and hedging strategies.