You may know more about futures trading. Generally, trading is organized in professional futures trading places, but the option market is different. There is no fixed trading institution place for OTC options. The difference between OTC options and OTC options: OTC options contracts are standardized, and all contract elements are determined by the exchange, while OTC options contracts are non-standardized, and the elements are determined by the participating parties through private consultation; Difference 2: Compared with OTC options, the targets of OTC options contracts are more diversified. As long as the two sides are willing to reach an agreement, in principle, any goal can be; Difference 3: OTC options are more personalized, so the liquidity of OTC options contracts is lower; Difference 4: There are fixed trading places for floor options, such as SSE 50ETF options listed and traded on the Shanghai Stock Exchange. OTC options OTC options are non-standardized options contracts traded in non-centralized trading places. It is a financial derivative that sets its own trading conditions according to the needs of both parties. OTC stock options are mainly aimed at A-share listed stocks, covering 90% of the stocks. They are simple and practical, and are more suitable for the long-term development of China stock market. Spot option Spot option is a standardized contract traded on an exchange, and centralized liquidation is carried out through a clearing institution. OTC options are designed according to customers' needs, personalized and more flexible. Although there is no unified listing and instruction rules, it has obvious advantages in trading volume and trading volume.