简单的说就是当天先抛掉，然后当天以更便宜的价格买回来；或者是先买一手，然后把昨天的那一手给卖掉以降低成本
因为股票执行的是T+1制度，也就是第一天买的第二天才可以卖，不过先卖的却是可以在同一天再买
用这两种方式都可以实现当天买卖一次
国际贸易术语 2010版
1. 术语分类的调整:由2原来的EFCD 四组分为适用于两类：适用于各种运输方式和水运
2、贸易术语的数量由原来的13种变为11种。
3、删除INCOTERMS2000中四个D组贸易术语，即DDU (Delivered Duty Unpaid)、DAF (Delivered At Frontier)、 DES (Delivered Ex Ship)、 DEQ (Delivered Ex Quay)，只保留了INCOTERMS2000D组中的DDP（ Delivered Duty Paid ）。
4、新增加两种D组贸易术语，即DAT （ Delivered At Terminal ）与DAP（Delivered At Place ）。
5、E组、F组、C组的贸易术语基本没有变化。
Incoterms2010 are arranged into the two distinct groupsgroups:
Any Mode of Transport
CIP – Carriage and Insurance Paid
CPT – Carriage Paid To
DAP – Delivered At Place
DAT – Delivered At Terminal
DDP – Delivered Duty Paid
EXW – Ex Works
FCA – Free Carrier
Sea and Inland Waterway Transport Only
CFR – Cost and Freight
CIF – Cost, Insurance and Freight
FAS – Free Alongside Ship
FOB – Free On Board
In addition to the 11 rules, Incoterms®2010 will include:
* Extensive guidance notes and illustrative graphicsto help users efficiently choose the right rule for each transaction;
* New classification to help choosing the most suitable rule in relation to the mode of transport;
* Advice for the use of electronic procedures;
* Information on security-related clearances for shipments;
* Advice for the use of Incoterms® 2010 in domestic trade
This interpretation is provided as a guide only.
Incoterms® are published by the International Chamber of Commerce and are available on their website and official publication “Incoterms® 2010〃. For a complete and official overview please refer to the ICC’s publication.
