权证(Warrant),又称为认股权证、认股证或“窝轮”,是发行人与持有者之间的一种契约,持有人在约定的时间有权以约定的价格购买或卖出标的资产。作为标的的资产可以是个股,也可以是一篮子股票、指数、商品或其他衍生产品。按行使时间划分,权证有欧式和美式两种。欧式权证规定持 Warrant, also known as warrant, warrant or “warrant”, is a contract between the issuer and the holder that the holder has the right at the agreed time to purchase at the agreed price or Sell ​​the underlying asset. The underlying assets can be individual stocks or a basket of stocks, indices, commodities or other derivatives. Divided by the exercise of time, warrants have European and American two. European-style warrants hold