If he shorted the market, that means he borrowed shares of the market indexes and sold them immediately in anticipation of the price going lower in the future. If the stock market crashes, he can buy them up for cheap and make profit.
However I'm not exactly sure if he did this because if it's leveraged then it'll be more complicated than this.
If it collapses that bad who would be leftto pay him what he is due? Again, financially illiterate here.
If he shorted the market, that means he borrowed shares of the market indexes and sold them immediately in anticipation of the price going lower in the future. If the stock market crashes, he can buy them up for cheap and make profit.
However I'm not exactly sure if he did this because if it's leveraged then it'll be more complicated than this.