The speaker walks through a bull put spread options strategy that he initiated on the NDX. He explains how he made money even though the NDX went down. The Bull Put spread involves two options, a long put and a short put with a higher strike price.
The strategy calls for buying an at the money put while selling an in of the money put short. This strategy expects bullish price movement; however the trader illustrates how he used it to his advantage even when the market went lower.