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Are you still troubled about not wasting short-term idle cash? Choosing Treasury Bills, many investors value their near-zero risk, high returns, and strong flexibility. You can participate with a small amount and enjoy convenient liquidity.
The table below compares the liquidity of Treasury Bills with other short-term investment products:
| Investment Option | Liquidity |
|---|---|
| Treasury Bills | Must be held to maturity unless transferred to a broker. With a Public Treasury account, funds can be transferred in/out 24/7. |
| Money Market Funds | Generally high liquidity, typically earning interest within one business day. |

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When managing short-term idle cash, you often consider safety and liquidity. Treasury Bills (T-Bills) are short-term bonds issued by the U.S. Treasury, typically with maturities of 4 weeks, 13 weeks, 26 weeks, or 52 weeks. You can participate with a low entry barrier, with a minimum purchase amount usually at $100. Treasury Bills are issued at a discount to their face value, and at maturity, you receive the full face value, with the difference being your profit.
If you want to avoid wasting short-term idle cash, Treasury Bills are a simple and transparent choice. You don’t need to worry about complex operational processes or the safety of your principal.
When choosing Treasury Bills, safety is your primary concern. The U.S. government backs Treasury Bills with its credit, making default risk extremely low. Historically, U.S. Treasury Bills have almost never defaulted. After purchasing, you only need to hold to maturity to receive your principal and interest.
If you aim to avoid wasting short-term idle cash, the safety of Treasury Bills allows you to hold with peace of mind without constantly monitoring market changes.
When focusing on returns, you also need to consider tax costs. While the yield of Treasury Bills may not match high-risk investment products, it remains stable among similar short-term financial products. For example, a 3-month Treasury Bill maturing on March 27, 2025, offers an annualized yield of 1.540%. You can refer to the table below:
| Term | Annualized Yield | Maturity Date |
|---|---|---|
| 3 Months | 1.540% | March 27, 2025 |
When investing in Treasury Bills, you can also enjoy certain tax advantages. Interest income from U.S. Treasury Bills is only subject to federal tax, exempt from state and local taxes. You can refer to the table below to understand the tax treatment of different bonds:
| Bond Type | Tax Treatment |
|---|---|
| Newly Issued Treasury Bonds | 6% VAT |
| Older Bonds | Tax-exempt |
If you choose older bonds, you can still enjoy tax exemptions. Newly issued Treasury bonds may require higher yields to attract investors.

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You can purchase U.S. Treasury Bills through multiple channels. The most common method is to open an account on the U.S. Treasury’s official website (TreasuryDirect) and buy directly online. You can also use investment services from licensed Hong Kong banks to submit purchase applications for Treasury Bills. Banks will assist you with account opening, fund transfers, and trading instructions.
The purchase process generally includes the following steps:
If you want to avoid wasting short-term idle cash, the Treasury Bill investment process is simple and suitable for beginners to get started quickly.
If you belong to the following groups, investing in Treasury Bills is more suitable:
At different life stages, your risk preferences and investment goals may change. As specific cash needs approach, such as retirement or home purchases, Treasury Bills can be your top choice for short-term fund management.
When investing in Treasury Bills, you need to pay attention to the following aspects:
If you aim to avoid wasting short-term idle cash, it’s recommended to combine your funding needs and risk tolerance to scientifically allocate Treasury Bills, improving capital efficiency.
You can choose Treasury Bills to avoid wasting short-term idle cash.
You can now scientifically allocate idle cash based on your needs, try investing in Treasury Bills, and let your funds grow.
When investing in Treasury Bills, the minimum amount is $100. You can flexibly choose based on your funds.
Upon maturity, the system automatically returns the principal and interest to your account without additional operations.
When investing in Treasury Bills, there is virtually no risk of principal loss. The U.S. government provides credit backing for Treasury Bills.
Treasury Bills (T-Bills) are clearly a smart choice for making your short-term idle cash work for you. Their near-zero risk, low entry barrier of $100, and federal tax-only status make them an ideal tool for financial novices and conservative investors. However, when globally allocating assets and managing short-term liquidity using T-Bills, the speed of fund mobilization and the cost of cross-border transactions are paramount to efficiency.
BiyaPay is specifically engineered for efficiency-focused global investors. We enable you to seamlessly convert your idle fiat funds and digital currencies (like USDT), helping you secure fast funding that bypasses complex channels. Deposits can arrive as quickly as the same day, ensuring you never miss a trading opportunity and allowing for efficient linkage with the US market. Additionally, for your stocks trading needs, we offer the advantage of zero fees on contract limit orders for low-cost position building. Our Real-Time Exchange Rate Query tool lets you stay on top of currency dynamics and avoid hidden losses. Crucially, BiyaPay international remittance fees are as low as 0.5%, which can save you up to 90% compared to traditional banks.
Ready to open an account in 3 minutes for zero barriers to global investment, and manage your short-term cash with maximum efficiency? Click to register with BiyaPay and start your safe and value-enhancing T-Bills investment 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.



