指标的资产的当前价格与期权合约中约定的买入价格或卖出价格非常接近的状态，可以略低或略高。

An option is at-the-money if the strike price of the option equals the market price of the underlying security.

For example, if XYZ stock is trading at 75, then the XYZ 75 option is at-the-money. You can essentially think of this as the break-even point (when you don't take into account transaction costs).

An option is at-the-money if the strike price of the option equals the market price of the underlying security.

For example, if XYZ stock is trading at 75, then the XYZ 75 option is at-the-money. You can essentially think of this as the break-even point (when you don't take into account transaction costs).