For example, if you think a share worth 100 will rise, you can buy a call option giving the right to buy at 100, hoping to sell this option, or to buy and resell the share at a profit.
英
美
- 例如；如果你認為價(jià)值100元的股票會(huì )上漲，你可以買(mǎi)一份買(mǎi)入選擇權，授與以100元購買(mǎi)的權利，希望賣(mài)掉這選擇權，或者購買(mǎi)，或者以某種利潤重新賣(mài)出該股票。
