I Bond Calculator

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Total value in November 2026: $106.48 (purchase amount $100.00, interest $6.48). If redeemed today: $105.32.

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Tabular Portfolio Value

Holding 1
  • Purchase Amount: $100.00
  • Issue Date: May 2025
  • Fixed Rate: 1.10%
Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec.
2025 - Semiannual InflationSemiann. infl.: 1.43% Semiannual InflationSemiann. infl.: 1.56% 2025
Composite: 3.98% Composite: 4.24%
$100.00 $100.32 $100.64 $101.00 $101.32 $101.64 $102.00 $102.36
2026 Semiannual InflationSemiann. infl.: 1.56% Semiannual InflationSemiann. infl.: 1.67% Semiannual InflationSemiann. infl.: 2.04% - 2026
Composite: 4.24% Composite: 4.46% Composite: 5.20%
$102.72 $103.08 $103.44 $103.80 $104.16 $104.56 $104.92 $105.32 $105.72 $106.08 $106.48

$105.32†
Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec.
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