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Free to check. Pay to be reminded.

BondMinder pays for itself the moment it catches one matured bond you didn't know about.

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Annual
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Free
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Check any bond, anytime. No account required.

  • Bond value calculator
  • Current interest rate lookup
  • Maturity & doubling date check
  • Works for EE & I Bonds
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Minder
$3.99 /month
Billed monthly

Save your bonds. Get alerts before you miss a thing.

  • Everything in Free
  • Save up to 100 bonds
  • Email alerts for maturity dates
  • I Bond rate change notifications
  • EE Bond doubling date alerts
  • Secure, encrypted storage
  • Cancel anytime

Billed monthly · Cancel anytime

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FeatureFreeMinder
Bond value calculator
Interest rate lookup
Maturity & doubling dates
Save bonds to your account
Email maturity reminders
Rate change notifications
EE Bond doubling alerts

Common Questions

TreasuryDirect is the official US Treasury platform for buying and managing bonds. BondMinder is an independent, third-party tracking and reminder service. We don't sell bonds or access your TreasuryDirect account — we simply help you track important dates and receive alerts the Treasury doesn't send.
Our calculator uses publicly available Treasury Department formulas and rates. All values shown are estimates and may not match actual redemption amounts. For official bond valuations, visit TreasuryDirect.gov or contact your bank.
Yes. Cancel from your dashboard or billing portal at any time. You'll keep access through the end of your current billing period. No cancellation fees, no questions asked.
No. BondMinder is an independent service. We are not affiliated with, endorsed by, or connected to the US Department of the Treasury, TreasuryDirect, or any government agency.
Yes. You can switch plans at any time from your billing portal. When upgrading from monthly to annual, you'll receive prorated credit for the remainder of your current billing cycle.

Financial Disclaimer: BondMinder is an independent informational tool and reminder service. It is not affiliated with, endorsed by, or connected to the US Department of the Treasury, TreasuryDirect, or any government agency. BondMinder does not provide financial, investment, tax, or legal advice. All bond values, interest rates, and calculations are estimates based on publicly available Treasury data and may not reflect actual redemption values. For official valuations, visit TreasuryDirect.gov. Consult a qualified financial advisor for personalized guidance.

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Enter your bond details in under a minute. See what it's worth, when it matures, and what's coming next — no account needed.

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