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When investing in U.S. stocks, you may wonder, what is the minimum investment amount for U.S. stocks? In reality, there is no fixed answer, as it depends on the stock price and the requirements of the trading platform. Some stocks are priced as low as a few dollars, and certain platforms allow you to purchase a single share, meaning you can start investing with very small amounts.
Understanding the minimum investment amount for U.S. stocks is very important for new investors. According to statistical data, diversified investing and maintaining patience can significantly reduce risks. For example, in 2018, the U.S. stock index experienced a decline, but by the end of 2021, the number of companies with gains reaching 76% significantly increased. This indicates that even small investments, if well-planned, can effectively control risks.
Through the minimum investment amount, you can easily get started and gain experience. Investing a small portion of funds in the stock market while keeping the rest in fixed-income products not only protects your principal but also provides stable returns. This approach helps you reduce the risk of losses while gradually understanding how the market operates.

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The minimum investment amount for U.S. stocks refers to the smallest amount of capital required to start investing in U.S. stocks. This amount is typically determined by the stock’s price and the trading platform’s requirements. For example, if a stock is priced at $10 and your trading platform allows the purchase of a single share, then $10 is your minimum investment amount. For new investors, this concept is very important because it determines the barrier to entering the market.
Some brokers also offer “fractional share” trading. This means you can purchase less than one share of a stock. For example, if a stock is priced at $100 and you only want to invest $20, you can buy 0.2 shares through fractional share trading. This method allows you to start investing with lower funds, reducing initial costs.
Tip: When choosing an investment amount, always consider your financial situation and investment goals. Don’t overlook risk management just because the minimum investment amount is low.
Calculating the minimum investment amount for U.S. stocks is not complicated. You only need to understand the following key factors:
Suppose you want to buy one share of a stock priced at $50, and your broker does not charge a commission. In this case, your minimum investment amount is $50. If you choose fractional share trading, the investment amount can be even lower. For example, investing $10 allows you to buy 0.2 shares.
Note: When calculating the minimum investment amount, don’t forget to consider exchange rate fluctuations. If you’re using a non-USD account, exchange rate changes may affect your actual investment amount.
The minimum investment amount for U.S. stocks is influenced by several factors. Here are some key factors:
By understanding these factors, you can better plan your investment strategy and choose an investment amount that suits you.
The first step in investing in U.S. stocks is opening an account. You need to choose a reliable broker and meet the following basic requirements:
The account opening process typically includes the following steps:
Tip: When choosing a broker, focus on their trading fees, platform features, and customer service quality. Selecting a broker that suits your needs can make investing smoother.
U.S. stock trading hours are Monday through Friday, divided into the following phases:
Pre-market and after-hours trading allow you to buy and sell stocks outside regular trading hours. These sessions have lower trading volumes, and price volatility may be greater. You can use these sessions to seize short-term market opportunities but need to be mindful of risks.
Note: Pre-market and after-hours trading may be restricted by brokers. Some brokers may charge additional fees or limit tradable securities.
U.S. stocks follow a T+0 trading model, meaning stocks bought on the same day can be sold on the same day. This flexibility allows you to quickly adjust your investment strategy and seize market opportunities.
Here are some rules for the T+0 trading model:
Under the T+0 trading model, retail investors can compete with institutional investors, with no limit on price fluctuations. This increases retail investors’ flexibility but also heightens risks.
| Trading Model | Description | 
|---|---|
| T+0 Trading | Stocks bought on the same day can be sold on the same day | 
| T+3 Settlement | Trades are settled on the third business day after the transaction | 
Tip: If your account has limited funds, avoid frequent day trading. Developing a long-term investment plan can help you better manage risks.
In U.S. stock trading, commission fees used to be a significant cost for investors. However, as market competition intensifies, zero-commission trading has gradually become the mainstream trend. Many brokers have eliminated traditional trading commissions, providing investors with a lower trading threshold.
According to statistical data, the commission scale for public funds in 2022 dropped to $18.796 billion, down from $21.928 billion in 2021. This trend reflects increased market competition and policy efforts to reduce trading fees. Additionally, the concentration of brokers’ commission income has also decreased, with the market share of the top 10 (CR10) brokers falling from 47.69% in 2021 to 46.88% in 2022.
| Year | Public Fund Commission Scale (USD Billion) | CR10 Brokers’ Total Commission (USD Billion) | Market Share (%) | 
|---|---|---|---|
| 2021 | 21.928 | 10.458 | 47.69 | 
| 2022 | 18.796 | 8.812 | 46.88 | 
Although zero-commission trading saves costs for investors, some brokers may offset income through other means, such as increasing account management fees or widening bid-ask spreads. Therefore, when choosing a broker, you should focus on their overall fee structure, not just commissions.
Tip: Zero-commission trading doesn’t mean completely free. Carefully review the broker’s fee terms to avoid hidden costs.
Taxes involved in U.S. stock trading mainly include capital gains tax. Capital gains tax is levied on profits from buying and selling stocks, with rates varying based on the investor’s income level. For individuals with annual incomes exceeding $1 million, the U.S. government once proposed raising the capital gains tax rate from 23.8% to 39.6%. If implemented, this would be the highest level since 1920.
Although only 0.3% of the population would be affected, due to wealth concentration, this group holds up to 60% of long-term capital gains. Higher capital gains tax rates may prompt high-income individuals to shift funds to accounts exempt from capital gains tax, such as IRA accounts. At the same time, such changes may affect market liquidity, leading to increased stock price volatility.
Note: If you are a non-U.S. resident, you may be exempt from capital gains tax but still need to be aware of other tax policies, such as dividend tax.
In addition to explicit commissions and taxes, hidden fees can also affect your investment returns. Here are some common hidden fees and ways to address them:
(Ask1 - Bid1) / MidPrice. You can reduce this cost by using limit orders.Tip: Before trading, carefully calculate all possible fees, including explicit and hidden ones. Plan your investment strategy wisely to maximize returns.

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Choosing the right broker is your first step in investing in U.S. stocks. Different brokers offer varying services and fee structures, so you need to select based on your needs. Here are some key points to help you find a suitable broker and account type:
Tip: Before opening an account, carefully read the broker’s terms and conditions to ensure there are no hidden fees. Choosing a broker that fits your needs can make your investment journey smoother.
Developing a small-scale investment plan is an effective way for new investors to reduce risks. Through proper planning, you can gradually build wealth while controlling risks. Here are some practical suggestions:
Case Study: Here are the actual benefits and risk control methods of a small-scale investment plan:
Through these methods, you can achieve steady growth in small-scale investments while effectively controlling risks.
Single-share trading is the best way for new investors to gain experience. By purchasing single shares, you can learn market operations at a low cost and gradually improve your investment skills. Here are some advantages of single-share trading:
Statistical Data: Gradually building investment experience has a significant positive effect on risk control:
- With increased investment experience, investors’ stock selection and timing abilities improve significantly.
 - Investment behavior becomes more rational, reducing losses from irrational decisions.
 - Household investment behavior aligns better with rational investment principles, improving overall returns.
 
Through single-share trading, you can learn how to analyze stocks, develop investment strategies, and gradually build your portfolio in practice.
Tip: When starting single-share trading, choose industries or companies you’re familiar with to make it easier to understand their business models and market performance.
By leveraging small investments, you can easily take your first steps in investing in U.S. stocks. This approach not only lowers the financial barrier but also helps you gain experience through hands-on trading. You can gradually learn market patterns, understand how to analyze stocks, and ultimately develop your own investment strategies.
The flexibility of minimum investment amounts allows you to explore the market with lower risk. You can start with single-share trading, gradually scale up your investments, and diversify risks to manage them effectively. Through this method, you can protect your principal while laying a solid foundation for future investments.
Start today by entering the U.S. stock market with small funds. Every investment is a learning opportunity. Keep going, and you’ll find your investment skills improving and your wealth growing over time.
The minimum amount for investing in U.S. stocks depends on the stock price and broker requirements. For example, if a stock costs $10 and the broker supports single-share trading, you can start with $10. If fractional share trading is supported, the minimum amount could be even lower.
Tip: Choose a broker that supports fractional share trading to lower the investment threshold.
Yes, they can. Non-U.S. residents only need to open an account with a compliant broker and provide identity proof and address proof to invest in U.S. stocks. Some brokers also offer Chinese-language support, making it convenient for Chinese investors.
Note: Ensure you choose a broker that supports international investors and understand relevant tax policies.
U.S. stock trading involves capital gains tax and dividend tax. Non-U.S. residents are typically exempt from capital gains tax but are subject to a 30% dividend tax. Some countries have tax treaties with the U.S., which may reduce the tax rate.
| Tax Type | Non-U.S. Resident Tax Rate | 
|---|---|
| Capital Gains Tax | 0% | 
| Dividend Tax | 30% | 
U.S. stock trading hours are Monday through Friday, divided into the following phases:
Tip: Pre-market and after-hours trading have higher volatility and are suitable for experienced investors.
Risks in U.S. stock investing include market volatility, exchange rate fluctuations, and individual stock risks. Diversifying investments and holding long-term can effectively reduce risks.
Recommendation: Research company fundamentals before investing to avoid blindly following trends. Plan your investment amount wisely to ensure capital safety.
The flexibility of minimum investment amounts in U.S. stocks allows beginners to enter the market with low barriers, but efficient fund management and low-cost trading are equally vital. BiyaPay offers a seamless financial solution, enabling trading in U.S. and Hong Kong stocks without offshore accounts, using USD, HKD, and 30+ fiat and digital currencies with real-time exchange rate transparency.
With remittance fees as low as 0.5% across 190+ countries, it empowers small-scale investors to allocate funds efficiently and reduce trading costs. A 5.48% annualized yield savings product with no lock-in period supports flexible fund management and risk control in volatile markets. Sign up for BiyaPay today to combine small-scale investment strategies with BiyaPay’s cost-effective tools for a secure, efficient U.S. stock trading journey!
*This article is provided for general information purposes and does not constitute legal, tax or other professional advice from BiyaPay or its subsidiaries and its affiliates, and it is not intended as a substitute for obtaining advice from a financial advisor or any other professional.
We make no representations, warranties or warranties, express or implied, as to the accuracy, completeness or timeliness of the contents of this publication.



