$500 I Bond with 0.30% Fixed Rate Purchased August 2018

 Jan
1
Feb
1
Infla
tion
Rate
Com
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Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
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Rate
Sep
1
Oct
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Nov
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Dec
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2018 500.001.11%2.52%501.00502.00503.20504.202018
2019505.20506.401.16%2.62%507.40508.60509.80510.80512.00513.000.70%1.70%513.80514.40515.20516.002019
2020516.60517.401.01%2.32%518.40519.40520.40521.40522.40523.400.53%1.36%524.00524.60525.20525.802020
2021526.40527.000.84%1.98%527.80528.80529.60530.40531.40532.201.77%3.85%533.80535.60537.20539.002021
2022540.80542.403.56%7.43%545.80549.00552.40555.80559.20562.604.81%9.93%567.20571.80576.40581.002022
2023585.80590.603.24%6.79%593.80597.20600.60603.80607.20610.601.69%3.69%612.40614.40616.20618.002023
2024620.00621.801.97%4.25%624.00626.20628.40630.60632.80635.001.48%3.26%636.80638.40640.20641.802024
2025643.60645.400.95%2.20%646.60647.80649.00650.20651.40652.401.43%3.16%654.20655.80657.60659.202025
2026661.00662.80

From $500.00 to $662.80 over 7.5 years = 3.79% average annual increase compounded semi-annually.

Generated  05/01/25  10:59