NEO margin trading is now available on Bitfinex in NEO/USD, NEO/BTC and NEO/ETH pairs. Bitfinex added NEO markets on September 7th, and had always planned to add margin trading once the markets had developed sufficient liquidity.
— Bitfinex (@bitfinex) September 18, 2017
Margin trading is a method of trading that involves borrowing funds to allow you to trade more than you’d be able to using your funds only.
For more information on how margin trading works on Bitfinex visit – https://support.bitfinex.com/hc/en-us/articles/115004555165-The-basics-of-Margin-Trading-on-Bitfinex