When calculating the compound interest of fixed investment, the principal amount of each period is different, which is mainly used to calculate the final principal and interest value of multiple equal investments and the value of multiple equal returns. Compound interest includes intermittent compound interest and continuous compound interest. The method of calculating compound interest by year, half year, quarter and month is intermittent compound interest, and the method of calculating compound interest by moment is continuous compound interest.
Fixed investment is the abbreviation of fixed-term investment fund, which refers to a way to invest a fixed amount in a designated open-end fund at a fixed time, similar to the bank's zero deposit and withdrawal method.
Compound interest means that after each interest period, the interest and principal generated are included in the interest of the next period in the form of cost. Compound interest is to generate interest with interest, which is also commonly known as rolling interest.
Extended data:
Fund, in English, refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations.
From the accounting point of view, capital is a narrow concept, which refers to funds with specific purposes and uses. The fund we are talking about mainly refers to the securities investment fund.
According to different standards, securities investment funds can be divided into different types:
(1) According to whether the fund unit can be increased or redeemed, it can be divided into open-end funds and closed-end funds. Open-end funds are not traded on the market (as the case may be), but are purchased and redeemed by banks, brokers and fund companies, and the fund scale is not fixed; Closed-end funds have a fixed duration and are generally listed and traded on the stock exchange. Investors buy and sell fund shares through the secondary market.
(2) According to different organizational forms, it can be divided into corporate funds and contractual funds. A fund is established by issuing fund shares to establish an investment fund company, which is usually called a corporate fund; The establishment of fund managers, fund custodians and investors through fund contracts is usually called contractual funds. China's securities investment funds are all contractual funds.
(3) According to the different investment risks and returns, it can be divided into growth funds, income funds and balanced funds.
(4) According to different investment objects, it can be divided into stock funds, bond funds, money market funds and futures funds.
It is still uncertain which is the earliest hedge fund. During the great bull market in the United States in the 1920s, there were countless such investment tools specifically for the rich. One of the most famous is the Graham-Newman Partnership Fund founded by Benjamin Graham and Jerry Newman.
In 2006, Warren Buffett declared in a letter to the American Museum of Finance that the Graham-Newman Partnership Fund in the 1920s was the earliest known hedge fund, but other funds may appear earlier.
In the economic recession of 1969- 1970 and the stock market crash of 1973- 1974, many early funds suffered heavy losses and closed down one after another. In 1970s, hedge funds usually focused on one strategy, and most fund managers adopted the long-short stock model. During the economic recession in 1970s, hedge funds were once ignored. It was not until the late 1980s that several successful funds were reported in the media before they returned to people's sight.
The big bull market in the 1990s created a batch of new wealth, and hedge funds blossomed everywhere. Because hedge funds emphasize the income distribution mode with consistent interests and the investment mode of "outperforming the market", traders and investors pay more attention to hedge funds In the next decade, the investment strategies of hedge funds will emerge one after another, including credit arbitrage, junk bonds, fixed-income securities, quantitative investment, multi-strategy investment and so on.
In the first decade of 2 1 century, hedge funds swept the world again. In 2008, the total assets held by global hedge funds reached 1.93 trillion US dollars. However, the credit crisis in 2008 hit hedge funds hard, and their value shrank. In addition, the liquidity of some markets has been blocked, and many hedge funds have begun to restrict investors' redemption.