The timing for selling I Bonds depends on a variety of factors, including your financial goals, interest rates and current inflation conditions. I Bonds earn interest through a combination of a fixed rate and an inflation rate, and their value tends to fluctuate depending on economic conditions. Some people choose to cash out their I Bonds when they no longer benefit from the interest rate or when they need access to their cash for other purposes. It's also worth considering that I Bonds must be held for at least 12 months, and if you redeem them before five years, you'll lose the last three months of interest, which could affect your decision about when to cash out.
A financial advisor could help you determine when to cash out or sell your I Bonds.
Understanding I Bonds
I Bonds are a type of U.S. Treasury bond designed to help individuals protect their money from inflation. First issued in 1998, these bonds aim to provide a safe investment option that grows in value based on both a fixed rate and a rate based on inflation.
The fixed interest rate on I Bonds remains the same throughout the bond’s life, while the inflation rate adjusts every six months. For example, if the fixed rate is 0.50% and the inflation rate is 3.00%, the bond will earn a combined annual interest rate of 3.50%. This rate will change over time, depending on inflation adjustments.
This dual interest structure allows I Bonds to offer returns that are somewhat insulated from the effects of inflation, helping to maintain the purchasing power of the money invested. This can make them appealing in periods of rising prices.
Examples of I Bond Sales
To better understand how I Bonds work, let's consider three examples to illustrate how cashing in these bonds at different points can impact an investor's return. When I Bonds are cashed in before five years is up, you will lose out on the last three months of interest. If cashed in after five years, investors can claim the full amount of interest earned.
In the first example, an investor buys $10,000 worth of I Bonds but redeems them after 18 months to cover an unexpected expense. Since the bonds were not held for five years, the investor forfeits the last three months of interest, amounting to approximately $87.50 if the annual interest rate was 3.50%.
In another case, an investor keeps $5,000 in I Bonds for over five years, benefiting fully from both the fixed and inflation-adjusted interest. Over that period, they earn around $875 in interest at a similar rate.
Lastly, a third investor holds $7,500 worth of I Bonds for 12 months-the minimum holding period-but redeems early to fund a new opportunity. They forfeit three months of interest, which amounts to approximately $65.63.
Deciding When to Sell I Bonds

Deciding when to sell I Bonds largely depends on your financial goals and needs. If you’re looking for a safe place to grow your money while keeping up with inflation, I Bonds can be a solid option. However, there are key points to consider before redeeming them.
For one, I Bonds must be held for at least one year, and if redeemed within five years, you’ll lose the last three months of interest. Therefore, if liquidity is a concern, planning ahead is crucial.
If inflation rates are high, it may make sense to hold onto your I Bonds longer, as they will earn more interest during such periods. Conversely, if inflation decreases or you find a better investment opportunity, selling might be worth considering.
For instance, if you need funds for a significant purchase or an emergency, redeeming I Bonds could provide accessible cash. On the other hand, if you can afford to leave the money invested, holding your I Bonds for more than five years ensures you receive all accrued interest without penalties.
How to Cash in Your I Bonds
Selling your I Bonds is a straightforward process. Here are the steps you need to follow:
- Determine bond type. If your I Bonds are held electronically through TreasuryDirect, you can cash them in directly through your online account. If they are paper bonds, you will need to visit a financial institution that handles savings bonds.
- Log in to TreasuryDirect: For electronic I Bonds, log in to your TreasuryDirect account. From there, navigate to your bonds and select the option to redeem them.
- Follow instructions for redemption: Enter the amount you wish to cash in and follow the prompts. The funds will be transferred to your linked bank account, typically within a couple of business days.
- Visit a bank for paper bonds: If you have paper I Bonds, take them to your bank. You may need to provide identification, and the bank will handle the redemption and deposit the funds into your account.
- Keep records: Make sure to keep records of your redemption for tax purposes, as the interest earned is subject to federal income tax.
Bottom Line

I Bonds offer a blend of inflation protection and steady growth, making them a useful option for those seeking low-risk investments that preserve purchasing power. Deciding when to cash in I Bonds often depends on factors like inflation trends, financial goals and liquidity needs. While I Bonds can be redeemed after one year, holding them for five years or longer can allow investors to avoid penalties and maximize interest.
Investment Planning Tips
- A financial advisor can help you pick investments and manage risk for your portfolio. Finding a financial advisor doesn't have to be hard. SmartAsset's free tool matches you with up to three vetted financial advisors who serve your area, and you can have a free introductory call with your advisor matches to decide which one you feel is right for you. If you're ready to find an advisor who can help you achieve your financial goals, get started now.
- If you want to know how much you could pay in taxes for the sale on an investment, SmartAsset's capital gains calculator could help you get an estimate.
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