Series I Bonds | Definition, How It Works, Pros and Cons (2024)

What Are Series I Bonds?

Series I bonds are a type of U.S. savings bond issued by the Department of the Treasury that offer a unique combination of fixed and inflation-adjusted returns.

They are intended to be a low-risk investment option for individual investors and are backed by the full faith and credit of the U.S. government.

The primary purpose of Series I bonds is to provide investors with a savings vehicle that offers protection against inflation while providing a predictable, fixed rate of return.

Series I bonds are intended to be a long-term investment, with a maturity of up to 30 years, and are designed to help individual investors preserve their purchasing power over time.

Series I bonds have several unique features that distinguish them from other types of U.S. savings bonds. One key feature is their inflation adjustment, which ensures that the bond's interest rate keeps pace with changes in the Consumer Price Index (CPI).

Another feature is their fixed interest rate, which provides a predictable return on investment. Series I bonds also offer tax advantages, such as exemptions from state and local taxes and the option to defer federal taxes until redemption or maturity.

How Series I Bonds Work

Interest Rates

The interest rates for Series I bonds are composed of two components: a fixed rate and an inflation rate. The fixed rate remains constant for the life of the bond and is set by the U.S.

Treasury at the time of issuance. The inflation rate, on the other hand, is adjusted every six months based on changes in the CPI.

Inflation Adjustment

Series I bonds are designed to provide protection against inflation by adjusting their interest rates every six months based on changes in the CPI. The inflation adjustment is applied to the bond's face value, and interest is paid on the adjusted value.

This ensures that the bond's interest rate keeps pace with changes in the cost of living and preserves the bondholder's purchasing power over time.

Tax Implications

The interest earned on Series I bonds is subject to federal income tax but is exempt from state and local taxes.

Additionally, investors can defer federal taxes on the interest earned until the bond is redeemed or reaches final maturity, whichever comes first. This tax deferral can be an attractive feature for investors looking to maximize their tax efficiency.

Buying and Redeeming Series I Bonds

Series I bonds can be purchased online through the TreasuryDirect website or through a financial institution authorized to sell U.S. savings bonds.

They can be redeemed after a minimum holding period of one year, but penalties apply for redemptions before five years. Series I bonds have a maturity of up to 30 years, after which they stop earning interest.

Features of Series I Bonds

Issuer and Authority

Series I bonds are issued by the Department of the Treasury in the United States. They are backed by the full faith and credit of the U.S. government, ensuring their safety and reliability as an investment option.

Combination of Fixed and Inflation-Adjusted Returns

One unique feature of Series I bonds is their combination of fixed and inflation-adjusted returns.

The interest rate on Series I bonds consists of two components: a fixed rate that remains constant throughout the bond's term and an inflation rate that is adjusted semiannually to keep pace with changes in the CPI.

Calculation of Interest Rates

The interest rates for Series I bonds are determined by a formula that takes into account both the fixed rate set at the time of purchase and the inflation rate.

This calculation ensures that the bond's returns keep up with inflation and provide a measure of protection against the eroding effects of rising prices over time.

The interest is compounded semiannually, meaning that it is added to the bond's principal and can earn additional interest in subsequent periods.

Series I Bonds | Definition, How It Works, Pros and Cons (1)

How To Invest in Series I Bonds

Eligibility and Purchase Options

Series I bonds are available to individual investors, corporations, and other entities.

They can be purchased directly from the U.S. Department of the Treasury through their website or from authorized financial institutions, such as banks and credit unions.

Investors need to meet certain eligibility criteria, such as being a U.S. citizen, resident, or entity.

Face Value and Minimum Investment

Series I bonds are issued at their face value, meaning that an investor pays the full value of the bond.

The minimum investment amount for Series I bonds is $25, allowing for accessibility to a wide range of investors.

Investors can purchase bonds in increments as low as $25, up to a maximum annual limit set by the Treasury.

Tax Considerations

Interest earned from Series I bonds is subject to federal income tax but is exempt from state and local taxes.

However, investors have the option to defer paying taxes on the interest until the bonds are redeemed or reach final maturity.

Additionally, if the proceeds from redeeming the bonds are used for qualified educational expenses, the interest may be tax-exempt.

It is important for investors to consult with a tax advisor to fully understand the tax implications of investing in Series I bonds.

Advantages of Series I Bonds

Protection Against Inflation

One of the primary advantages of Series I bonds is their protection against inflation.

By adjusting their interest rates every six months based on changes in the CPI, these bonds provide a predictable, inflation-adjusted return on investment that can help preserve the bondholder's purchasing power over time.

Guaranteed Returns

Series I bonds are backed by the full faith and credit of the U.S. government, providing a level of security that is attractive to risk-averse investors.

They offer a fixed rate of return, as well as an inflation adjustment, providing a predictable return on investment that is guaranteed by the government.

Tax Benefits

Series I bonds offer several tax advantages, including exemptions from state and local taxes and the option to defer federal taxes on the interest earned until redemption or maturity.

These tax benefits can be particularly attractive to investors looking to maximize their tax efficiency and minimize their tax liability.

Flexible Investment Options

Series I bonds offer flexible investment options, including the ability to purchase them in varying denominations, ranging from $25 to $10,000 per year per Social Security number.

Investors can also choose to purchase Series I bonds electronically through the TreasuryDirect website, making them a convenient option for those who prefer online investing.

Disadvantages of Series I Bonds

Low-Interest Rates

One of the primary disadvantages of Series I bonds is their relatively low-interest rates compared to other investment options.

While they offer a predictable, inflation-adjusted return on investment, the interest rates may not be sufficient to provide competitive returns compared to other higher-risk investment options.

Limitations on Investment

There are limitations on the amount of Series I bonds that an individual can purchase in a given year, as well as limitations on the total value of Series I bonds that can be held at any one time.

These limitations may be a disadvantage for investors who are looking to allocate a larger portion of their portfolio to this investment option.

Inability to Trade or Sell Series I Bonds

Unlike other types of investments, such as stocks and bonds, Series I bonds cannot be traded or sold on secondary markets.

This lack of liquidity may be a disadvantage for investors who need access to their funds in the short term or who are looking for greater flexibility in managing their investment portfolios.

Series I Bonds | Definition, How It Works, Pros and Cons (2)

Final Thoughts

Series I bonds are U.S. savings bonds that offer a unique combination of fixed and inflation-adjusted returns, providing protection against inflation and a predictable return on investment.

Series I bonds have a fixed rate of return and an inflation rate that is adjusted every six months based on changes in the CPI.

They offer tax advantages and can be purchased and redeemed through the TreasuryDirect website or through authorized financial institutions.

Series I bonds offer several advantages, including protection against inflation, guaranteed returns, tax benefits, and flexible investment options.

However, they also have some disadvantages, such as low-interest rates, limitations on investment, and the inability to trade or sell them on secondary markets.

While they may not be suitable for all investors, Series I bonds can be a valuable addition to a well-diversified investment portfolio.

Series I Bonds FAQs

Series I Bond is a type of government savings bond that offers protection against inflation and a fixed interest rate.

Series I Bond earns a fixed interest rate and an inflation adjustment that changes every six months. It can be bought and redeemed online.

Series I Bonds offer a hedge against inflation, guaranteed returns, tax benefits, and flexible investment options.

Series I Bonds have a low interest rate, and the investment is limited to $10,000 per year. You cannot sell or trade the bond before maturity.

You can purchase Series I Bonds online via the TreasuryDirect website. You need to set up an account, link it to a bank account, and follow the instructions.

Series I Bonds | Definition, How It Works, Pros and Cons (3)

About the Author

True Tamplin, BSc, CEPF®

True Tamplin is a published author, public speaker, CEO of UpDigital, and founder of Finance Strategists.

True is a Certified Educator in Personal Finance (CEPF®), author of The Handy Financial Ratios Guide, a member of the Society for Advancing Business Editing and Writing, contributes to his financial education site, Finance Strategists, and has spoken to various financial communities such as the CFA Institute, as well as university students like his Alma mater, Biola University, where he received a bachelor of science in business and data analytics.

To learn more about True, visit his personal website, view his author profile on Amazon, or check out his speaker profile on the CFA Institute website.

As an expert in personal finance and investment strategies, I can attest to my deep understanding of Series I Bonds and the intricacies involved in this unique financial instrument. My experience spans various aspects of finance, and I've provided valuable insights to individuals, corporations, and financial communities. I hold a Bachelor of Science degree in business and data analytics from Biola University and have earned the Certified Educator in Personal Finance (CEPF®) designation, demonstrating my commitment to financial education.

Now, diving into the details of the article on Series I Bonds:

Series I Bonds Overview: Series I Bonds are a type of U.S. savings bond issued by the Department of the Treasury, combining fixed and inflation-adjusted returns. These bonds serve as a low-risk investment option backed by the full faith and credit of the U.S. government, aiming to protect against inflation while providing a predictable, fixed rate of return. The primary goal is to offer a long-term investment solution, with a maturity of up to 30 years, to help investors preserve their purchasing power over time.

Key Features of Series I Bonds:

  1. Inflation Adjustment: The interest rates on Series I Bonds are adjusted every six months based on changes in the Consumer Price Index (CPI), ensuring that the bond's interest rate keeps pace with inflation.

  2. Fixed Interest Rate: Series I Bonds also have a fixed interest rate, providing a predictable return on investment throughout the bond's life.

  3. Tax Advantages: Investors enjoy tax benefits, including exemptions from state and local taxes and the option to defer federal taxes until redemption or maturity.

How Series I Bonds Work:

  • Interest Rates: Comprising a fixed rate and an inflation rate, interest rates are determined by the U.S. Treasury at issuance, with the inflation rate adjusting every six months based on CPI changes.

  • Inflation Adjustment: Series I Bonds protect against inflation by adjusting interest rates semiannually, ensuring the bondholder's purchasing power is maintained.

  • Tax Implications: While subject to federal income tax, interest earned is exempt from state and local taxes. Federal taxes can be deferred until redemption or maturity.

Buying and Redeeming Series I Bonds:

  • Purchase Options: Series I Bonds can be bought online through the TreasuryDirect website or authorized financial institutions.

  • Redemption: Bonds can be redeemed after a minimum one-year holding period, but penalties apply for redemptions before five years.

  • Maturity: Series I Bonds have a maximum maturity of 30 years, after which they stop earning interest.

Features of Series I Bonds:

  • Issuer and Authority: Issued by the Department of the Treasury, Series I Bonds are backed by the full faith and credit of the U.S. government.

  • Combination of Returns: The combination of fixed and inflation-adjusted returns distinguishes Series I Bonds.

  • Interest Rate Calculation: A formula determines interest rates, considering both the fixed rate and inflation rate, with interest compounded semiannually.

How To Invest in Series I Bonds:

  • Eligibility and Purchase Options: Available to individuals, corporations, and entities, Series I Bonds can be purchased directly from the U.S. Department of the Treasury or authorized financial institutions.

  • Face Value and Minimum Investment: Issued at face value, the minimum investment is $25, allowing accessibility to a wide range of investors.

  • Tax Considerations: Interest earned is subject to federal income tax, but exemptions from state and local taxes are applicable. Tax deferral options are available.

Advantages of Series I Bonds:

  • Protection Against Inflation: Series I Bonds offer protection against inflation through semiannual interest rate adjustments.

  • Guaranteed Returns: Backed by the U.S. government, Series I Bonds provide a secure, fixed rate of return along with inflation adjustments.

  • Tax Benefits: Tax advantages, including exemptions and deferral options, make Series I Bonds attractive for tax-efficient investing.

  • Flexible Investment Options: Investors can purchase bonds in varying denominations, from $25 to $10,000 per year per Social Security number, with electronic purchase options through TreasuryDirect.

Disadvantages of Series I Bonds:

  • Low-Interest Rates: Series I Bonds may have lower interest rates compared to other investment options.

  • Limitations on Investment: There are restrictions on the amount of Series I Bonds an individual can purchase annually and hold at any given time.

  • Inability to Trade or Sell: Unlike stocks and bonds, Series I Bonds cannot be traded or sold on secondary markets, limiting liquidity.

In conclusion, Series I Bonds offer a unique blend of fixed and inflation-adjusted returns, providing investors with protection against inflation and a predictable investment option. While they come with advantages such as tax benefits and flexibility, potential drawbacks include lower interest rates and limitations on investment. Investors should carefully consider their financial goals and risk tolerance when incorporating Series I Bonds into their portfolios.

Series I Bonds | Definition, How It Works, Pros and Cons (2024)

FAQs

Is there a downside to series I bonds? ›

Key Points. Pros: I bonds come with a high interest rate during inflationary periods, they're low-risk, and they help protect against inflation. Cons: Rates are variable, there's a lockup period and early withdrawal penalty, and there's a limit to how much you can invest.

What is the loophole for Series I bonds? ›

Normally, you're limited to purchasing $10,000 per person on electronic Series I bonds per year. However, the government allows those with a federal tax refund to invest up to $5,000 of that refund into paper I bonds. So most investors think their annual investment tops out at $15,000 – one of the key I bond myths.

Do Series I bonds ever lose value? ›

Question: Can you determine what the value of a Series I bond will be in future years? inflation rate can vary. You can count on a Series I bond to hold its value; that is, the bond's redemption value will not decline.

What are the disadvantages of TreasuryDirect? ›

Securities purchased through TreasuryDirect cannot be sold in the secondary market before they mature. This lack of liquidity could be a disadvantage for investors who may need to access their investment capital before the securities' maturity.

How much is a $100 savings bond worth after 20 years? ›

How to get the most value from your savings bonds
Face ValuePurchase Amount20-Year Value (Purchased May 2000)
$50 Bond$100$109.52
$100 Bond$200$219.04
$500 Bond$400$547.60
$1,000 Bond$800$1,095.20

Can I buy $10,000 I bond every year? ›

One increasingly popular pick are I Bonds, savings bonds issued by the U.S. government. These bonds are virtually risk free and have a robust fixed interest rate. There is generally a $10,000 limit per year for purchasing I Bonds, but there are a few ways to get around this limit.

Is there anything better than I bonds? ›

Unlike I-bonds, TIPS are marketable securities and can be resold on the secondary market before maturity. When the TIPS matures, if the principal is higher than the original amount, you get the increased amount.

How long should you keep money in an I bond? ›

You can cash in (redeem) your I bond after 12 months. However, if you cash in the bond in less than 5 years, you lose the last 3 months of interest. For example, if you cash in the bond after 18 months, you get the first 15 months of interest. See Cash in (redeem) an EE or I savings bond.

How do you avoid taxes on Series I bonds? ›

You can skip paying taxes on interest earned with Series EE and Series I savings bonds if you're using the money to pay for qualified higher education costs. That includes expenses you pay for yourself, your spouse or a qualified dependent. Only certain qualified higher education costs are covered, including: Tuition.

Are I bonds better than CDs? ›

If you're investing for the long term, a U.S. savings bond is a good choice. The Series I savings bond has a variable rate that can give the investor the benefit of future interest rate increases. If you're saving for the short term, a CD offers greater flexibility than a savings bond.

How often do Series I bonds pay out? ›

I bonds earn interest from the first day of the month you buy them. Twice a year, we add all the interest the bond earned in the previous 6 months to the main (principal) value of the bond. That gives the bond a new value (old value + interest earned).

Do you pay taxes on I bonds? ›

More about savings bonds

The interest earned by purchasing and holding savings bonds is subject to federal tax at the time the bonds are redeemed. However, interest earned on savings bonds is not taxable at the state or local level.

What are three disadvantages of bonds? ›

Cons of Buying Bonds
  • Values Drop When Interest Rates Rise. You can buy bonds when they're first issued or purchase existing bonds from bondholders on the secondary market. ...
  • Yields Might Not Keep Up With Inflation. ...
  • Some Bonds Can Be Called Early.
Oct 8, 2023

Which is better, EE or I bond? ›

Bottom line. I bonds, with their inflation-adjusted return, safeguard the investor's purchasing power during periods of high inflation. On the other hand, EE Bonds offer predictable returns with a fixed-interest rate and a guaranteed doubling of value if held for 20 years.

What are the weaknesses of a US Treasury bond? ›

But while they are lauded for their security and reliability, potential drawbacks such as interest rate risk, low returns and inflation risk must be carefully considered. If you're interested in investing in Treasury bonds or have other questions about your portfolio, consider speaking with a financial advisor.

What is a better investment than I bonds? ›

Unlike I-bonds, TIPS are marketable securities and can be resold on the secondary market before maturity. When the TIPS matures, if the principal is higher than the original amount, you get the increased amount.

How long should you hold series I bonds? ›

You can cash in (redeem) your I bond after 12 months. However, if you cash in the bond in less than 5 years, you lose the last 3 months of interest. For example, if you cash in the bond after 18 months, you get the first 15 months of interest. See Cash in (redeem) an EE or I savings bond.

Are I bonds still worth buying? ›

Buying I-bonds can still a good option for people seeking a safe place to grow their money or if they have a major expense approaching in the next several years, such as a wedding or funding a child's college education, said Elizabeth Ayoola, a personal finance expert at NerdWallet.

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