In a broad sense, any risk-taking behavior for profit can be called speculation; in a narrower sense, speculation refers to risky investment behavior that takes advantage of fluctuations in the price of commodities or financial assets in the market.
The primary retailer, bold, only want to make money, regardless of the risk, relatively speaking, should pay more attention to the selection of shares.
Early options trading in the US began in 1872, founded by the then famous financier Russell, and at that time included call and put options, the market was always OTC and required trading through brokers.
