TreasuryDirect: I Bonds
Current and historical composite rates, fixed rates, inflation components and the issue-month schedule.
Check official I Bond ratesQuick answers for orientation, followed by primary sources for current rates, filings, tax rules and account support.
Use the official TreasuryDirect I Bond interest rates page. Our I Bonds guide explains the formula and dates every rate example so it is not mistaken for live data.
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No. Marketable bond prices can decline, issuers can default and inflation can reduce purchasing power. Even a performing bond has opportunity cost and tax considerations. Different structures carry different risks.
“Bonds” is a broad category of debt securities. I Bonds are one specific U.S. savings-bond series with an inflation-linked composite rate, purchase limits and special redemption rules.
Marketable bonds are repriced as yields, credit expectations, liquidity and time to maturity change. Contractual coupons can remain fixed while market value fluctuates. Read how bond prices change.
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TreasuryDirect handles its own savings-bond and auction accounts. Brokerage firms handle their customer accounts. Use the provider's verified official website and contact channels rather than links from unsolicited messages.
No. Articles explain durable concepts and include dated examples. Current auction terms, interest rates, tax thresholds and product rules should always be checked with the linked official source.
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Current and historical composite rates, fixed rates, inflation components and the issue-month schedule.
Check official I Bond ratesOfficial announcements, tentative schedules, auction results and security-specific terms.
Review Treasury auctionsPublication 550 covers interest, savings bonds, discounts, premiums, capital gains and losses.
Read IRS Publication 550Public-company filings, including annual and quarterly reports and securities offering documents.
Search company filingsMarket information and educational resources for corporate, agency and other fixed-income securities.
Explore FINRA dataSEC investor education about stocks, bonds, funds, fees, risk and researching investments.
Visit Investor.govStart with the cash-flow model and essential vocabulary before comparing products.
Read bond basics