Risk assets refer to those investment assets with uncertainty and risk nature. Risk assets usually have the characteristics of large price fluctuations, relatively high returns and small transaction scale. There are many kinds of risky assets. The following are some common risk assets.

1. Stock: Stock is one of the most common risky assets, representing part of the company's ownership. The stock price is influenced by the relationship between supply and demand in the stock market and the company's operation. The price fluctuates greatly and the income is relatively high.

2. Futures: Futures are financial derivatives that are agreed to be bought and sold at an agreed price at some future time. There is a certain price difference between the futures price and the spot price, so the price changes widely and the transaction scale is small.

3. Foreign exchange: Foreign exchange refers to the exchange rate between various currencies. The price in the foreign exchange market fluctuates greatly and is influenced by various factors. Although the income is high, there are also great risks.

4. Bonds: Bonds are debt certificates issued by companies or governments, representing the creditor-debtor relationship between buyers and borrowers. Its price fluctuates to some extent, but with the increase of the buyer's holding period, the income will gradually decrease.

5. Commodity futures: Commodity futures are bets on the future value of commodities, including agricultural products, metals, energy and other commodities. Due to cyclical and seasonal factors, the market price changes greatly.

6. digital currency: digital currency is an emerging asset type in recent years, such as Bitcoin. Because the market liquidity is unstable and the price fluctuates greatly, there are certain market risks.

7. Other assets: In addition, there are other types of risk assets, such as real estate investment trusts (REITs), private equity funds, alternative investments and hedge funds.

Generally speaking, holding risky assets requires investors to have certain risk identification and management capabilities, as well as rigorous investment analysis capabilities, so as to maximize returns while taking risks.