$100 I Bond with 1.40% Fixed Rate Purchased August 2006

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2006 100.000.50%2.41%100.20100.40100.60100.802006
2007101.00101.201.55%4.52%101.56101.96102.32102.72103.12103.481.21%3.84%103.80104.12104.48104.802007
2008105.12105.481.53%4.48%105.88106.28106.64107.04107.44107.842.42%6.27%108.40108.96109.52110.082008
2009110.64111.242.46%6.35%111.84112.40113.00113.60114.16114.76-2.78%0.00%114.76114.76114.76114.762009
2010114.76114.761.53%4.48%115.20115.60116.04116.48116.88117.320.77%2.95%117.60117.88118.20118.482010
2011118.76119.040.37%2.15%119.24119.48119.68119.88120.12120.322.30%6.03%120.92121.52122.12122.722011
2012123.32123.961.53%4.48%124.40124.88125.36125.80126.28126.721.10%3.62%127.08127.48127.88128.242012
2013128.64129.000.88%3.17%129.32129.68130.00130.36130.72131.040.59%2.59%131.32131.60131.88132.162013
2014132.44132.720.59%2.59%133.00133.28133.56133.88134.16134.440.92%3.25%134.80135.16135.52135.882014
2015136.24136.640.74%2.89%136.96137.28137.64137.96138.28138.60-0.80%0.00%138.60138.60138.60138.602015
2016138.60138.600.77%2.95%138.92139.28139.60139.96140.32140.640.08%1.56%140.84141.00141.20141.362016
2017141.56141.721.38%4.18%142.20142.72143.20143.68144.20144.680.98%3.37%145.08145.48145.88146.322017
2018146.72147.121.24%3.90%147.60148.08148.56149.04149.52150.001.11%3.64%150.44150.92151.36151.802018
2019152.28152.721.16%3.74%153.20153.68154.16154.60155.08155.560.70%2.81%155.92156.28156.64157.002019
2020157.36157.761.01%3.43%158.20158.64159.12159.56160.00160.480.53%2.47%160.80161.12161.48161.802020
2021162.12162.480.84%3.09%162.88163.32163.72164.16164.56165.001.77%4.96%165.68166.36167.04167.722021
2022168.40169.083.56%8.57%170.28171.48172.68173.88175.08176.324.81%11.09%177.92179.52181.16182.762022
2023184.44186.083.24%7.93%187.28188.52189.72190.96192.20193.441.69%4.80%194.20194.96195.76196.522023
2024197.32198.081.97%5.37%198.96199.84200.72201.60202.52203.40

From $100.00 to $203.40 over 18.0 years = 3.98% average annual increase compounded semi-annually.

Generated  11/01/23  07:37