Stock index option refers to an option contract with stock index as the exercise variety. Compared with stock index futures, it has the characteristics of low risk and high return. In short, as long as the stock index option is to judge the rise and fall of stock index futures, it only needs to pay a premium. If the judgment is correct, you can exercise your rights and get benefits. If the judgment is wrong, the royalties will be gone. Compared with stock index options and stock index futures, the risk is higher, and the biggest risk of stock index options is the loss premium. The risk is controllable, but the stock index futures are not, and the return of stock index options can be infinitely amplified like stock index futures.

Stock index futures refer to standardized futures contracts with stock indexes as the subject matter. Buyers and sellers will buy and sell according to the predetermined stock index on a specific date in the future. After maturity, the difference will be settled in cash. As a kind of futures, stock index options have the same characteristics and processes as ordinary commodity options trading. Stock index futures is a kind of futures. Futures can be divided into two categories: financial futures and commodity options.

Stock index futures are standardized futures contracts with stock index as the subject matter; Stock index option is an option based on stock index. The target of stock index futures and stock index options is the corresponding stock index, and its trend is influenced by the overall trend of the target spot market. Stock index futures are traded in two directions, which can be bought first and then sold, or sold first and then bought; Stock index options can not only buy call options and put options, but also sell them.

Stock index futures use margin trading and have leverage effect. Investors only need to pay a certain proportion of the total contract amount as performance guarantee; The leverage of stock index options is reflected in the premium. Stock index futures trading adopts daily debt-free settlement, and the margin changes with the change of stock index futures price. Trading margin must be settled every day. If the margin is insufficient, investors must make up the margin within the specified time to ensure performance. If investors fail to make up the margin within the specified time, they will be forced to close their positions; For stock index options, the buyer needs to pay a premium.