What is foreign exchange? In a narrow sense, foreign exchange originally refers to foreign currency. In a broad sense, it usually refers to the means of payment for international settlement expressed in foreign currency. Exchange rate is also called "foreign exchange market or exchange rate". …

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 following are common terms of futures trading, hoping to help you …

An option means that the buyer has the right to choose to buy or sell the agreed asset at the strike price at the agreed time in the future, and the seller of the option must assume the obligation to perform when the buyer chooses to exercise. …

Every time a financial crisis breaks out, there is a depression in all industries, a large number of workers are laid off and people's livelihoods wither away. …