At 1st Stock options refer to the buyer's right to buy or sell a certain amount of related stocks at the agreed price on or before the expiry date specified in the contract after the payment of the premium.  It is one of many ways to motivate employees and belongs to the category of long-term incentives.  Stock options are the right of a listed company to give senior managers and technical backbones the right to purchase common shares of the company at a pre-agreed price within a certain period of time.
1. Now let's see what is an option transaction?
To put it bluntly, it is the anomaly of options.  Options are different from stocks, so all transactions will be announced and displayed on the option chain, not like stocks.  We capture these anomalies by observing the option chain, so as to provide a reference for our trading.  These abnormal situations include: 1. Large purchases of funds.  For example, if the trading volume of options on a stock is usually tens or hundreds of orders, suddenly one day someone or an organization buys 5000 orders somewhere in the world, then this is a change.  2. Continuously buy an option.  There is a stock option that is constantly being bought by someone or an organization somewhere in the world, which is also a kind of change.
2. How does the...