$100 I Bond with 1.00% Fixed Rate Purchased December 2005

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2005 100.002005
20062.85%6.73%100.56101.12101.68102.24102.80103.360.50%2.01%103.52103.72103.88104.04104.24104.402006
20071.55%4.12%104.76105.12105.48105.84106.20106.561.21%3.43%106.88107.16107.48107.76108.08108.402007
20081.53%4.08%108.76109.12109.52109.88110.24110.602.42%5.86%111.12111.68112.20112.76113.28113.842008
20092.46%5.94%114.40114.96115.52116.08116.64117.24-2.78%0.00%117.24117.24117.24117.24117.24117.242009
20101.53%4.08%117.64118.04118.44118.84119.24119.640.77%2.55%119.88120.16120.40120.64120.92121.162010
20110.37%1.74%121.32121.52121.68121.88122.04122.202.30%5.62%122.76123.32123.92124.48125.04125.642011
20121.53%4.08%126.08126.48126.92127.36127.76128.201.10%3.21%128.56128.88129.24129.56129.92130.242012
20130.88%2.77%130.52130.84131.12131.44131.76132.040.59%2.19%132.28132.52132.76133.00133.24133.482013
20140.59%2.19%133.72133.96134.20134.44134.68134.960.92%2.85%135.28135.60135.92136.24136.56136.882014
20150.74%2.49%137.16137.44137.72138.00138.28138.60-0.80%0.00%138.60138.60138.60138.60138.60138.602015
20160.77%2.55%138.88139.20139.48139.76140.08140.360.08%1.16%140.48140.64140.76140.92141.04141.162016
20171.38%3.77%141.60142.04142.48142.92143.36143.840.98%2.97%144.20144.56144.92145.28145.60145.962017
20181.24%3.49%146.40146.80147.24147.64148.08148.521.11%3.23%148.92149.32149.72150.12150.52150.922018
20191.16%3.33%151.32151.76152.16152.60153.00153.440.70%2.41%153.76154.04154.36154.68154.96155.282019
20201.01%3.03%155.68156.08156.44156.84157.24157.640.53%2.07%157.92158.20158.44158.72159.00159.282020
20210.84%2.69%159.64160.00160.36160.72161.08161.441.77%4.56%162.04162.64163.28163.88164.52165.122021
20223.56%8.16%166.24167.32168.44169.60170.72171.844.81%10.67%173.32174.84176.36177.88179.44181.002022
20233.24%7.51%182.12183.24184.36185.52186.64187.801.69%4.40%188.48189.16189.84190.56191.24191.922023
20241.97%4.96%192.72193.48194.28195.08195.88196.681.48%3.97%197.32197.96198.64199.28199.92200.602024
20250.95%2.91%201.08201.56202.04202.56203.04203.521.43%3.87%204.16204.84205.48206.12206.80207.442025
20261.56%4.14%208.16208.88209.56210.28211.00211.72

From $100.00 to $211.72 over 20.5 years = 3.69% average annual increase compounded semi-annually.

Generated  11/04/25  09:10