$75 I Bond with 1.20% Fixed Rate Purchased March 2008

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
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Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
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Dec
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2008 75.001.53%4.28%75.2775.5475.8176.0876.3576.622.42%6.07%77.0177.4077.762008
200978.1578.5478.962.46%6.15%79.3579.7780.1680.5880.9781.39-2.78%0.00%81.3981.3981.392009
201081.3981.3981.391.53%4.28%81.6981.9682.2682.5682.8383.130.77%2.75%83.3183.5283.702010
201183.8884.0984.270.37%1.94%84.4284.5484.6984.8184.9685.082.30%5.83%85.5085.8986.312011
201286.7387.1587.571.53%4.28%87.8788.2088.5088.8089.1389.431.10%3.41%89.6789.9490.182012
201390.4590.6990.960.88%2.97%91.1791.4191.6291.8692.0792.310.59%2.39%92.4992.6792.852013
201493.0393.2493.420.59%2.39%93.6093.7893.9994.1794.3594.530.92%3.05%94.7795.0195.252014
201595.4995.7395.970.74%2.69%96.1896.3996.6096.8497.0597.26-0.80%0.00%97.2697.2697.262015
201697.2697.2697.260.77%2.75%97.4797.7197.9298.1698.3798.610.08%1.36%98.7398.8298.942016
201799.0699.1899.271.38%3.98%99.6099.93100.26100.59100.92101.250.98%3.17%101.52101.79102.062017
2018102.33102.60102.841.24%3.69%103.14103.47103.77104.10104.43104.731.11%3.43%105.03105.33105.632018
2019105.93106.23106.531.16%3.53%106.83107.16107.46107.79108.09108.420.70%2.61%108.66108.90109.142019
2020109.35109.59109.831.01%3.23%110.13110.43110.70111.00111.30111.600.53%2.27%111.81112.02112.232020
2021112.44112.65112.860.84%2.89%113.13113.40113.67113.94114.21114.481.77%4.76%114.93115.38115.832021
2022116.28116.76117.213.56%8.36%118.02118.83119.64120.45121.29122.104.81%10.88%123.18124.29125.372022
2023126.48127.62128.733.24%7.72%129.54130.38131.19132.03132.87133.711.69%4.60%134.22134.73135.242023
2024135.75136.26136.801.97%5.16%137.37137.97138.54139.14139.74140.341.48%4.18%140.82141.30141.812024
2025142.29142.77143.280.95%3.11%143.64144.03144.39144.75145.14145.501.43%4.08%145.98146.49146.972025
2026147.48147.96148.471.56%4.34%149.01149.55150.06150.60151.14151.68

From $75.00 to $151.68 over 18.5 years = 3.84% average annual increase compounded semi-annually.

Generated  11/04/25  09:10