Nikkei index futures: futures contracts with the Nikkei index as the subject matter

Put option means that the buyer of the option has the right to sell a certain number of the subject matter at the execution price at a certain time point or several time points or a period of time in the future within the validity period of the option contract, but does not undertake the obligation of selling.

Nikkei put option refers to a put option based on the Nikkei futures contract.