$100 I Bond with 1.20% Fixed Rate Purchased June 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 100.001.79%4.80%100.40100.80101.20101.60102.00102.402005
20062.85%6.93%103.00103.56104.16104.76105.36105.960.50%2.21%106.16106.36106.56106.72106.92107.122006
20071.55%4.32%107.52107.88108.28108.64109.04109.441.21%3.63%109.76110.08110.44110.76111.08111.442007
20081.53%4.28%111.84112.24112.64113.04113.44113.842.42%6.07%114.40115.00115.56116.12116.72117.282008
20092.46%6.15%117.88118.48119.08119.68120.28120.88-2.78%0.00%120.88120.88120.88120.88120.88120.882009
20101.53%4.28%121.32121.72122.16122.60123.04123.480.77%2.75%123.76124.04124.32124.60124.88125.162010
20110.37%1.94%125.36125.56125.76125.96126.16126.362.30%5.83%126.96127.56128.20128.80129.44130.042011
20121.53%4.28%130.48130.96131.44131.88132.36132.841.10%3.41%133.20133.60133.96134.36134.72135.122012
20130.88%2.97%135.44135.80136.12136.44136.80137.120.59%2.39%137.40137.68137.92138.20138.48138.762013
20140.59%2.39%139.04139.32139.60139.88140.16140.400.92%3.05%140.76141.12141.48141.84142.20142.562014
20150.74%2.69%142.88143.20143.52143.84144.16144.48-0.80%0.00%144.48144.48144.48144.48144.48144.482015
20160.77%2.75%144.80145.12145.48145.80146.12146.480.08%1.36%146.64146.80146.96147.16147.32147.482016
20171.38%3.98%147.96148.44148.96149.44149.92150.400.98%3.17%150.80151.20151.60152.00152.40152.802017
20181.24%3.69%153.28153.72154.20154.68155.16155.601.11%3.43%156.04156.48156.92157.36157.84158.282018
20191.16%3.53%158.76159.20159.68160.12160.60161.080.70%2.61%161.44161.76162.12162.48162.84163.202019
20201.01%3.23%163.64164.08164.52164.96165.40165.840.53%2.27%166.16166.48166.76167.08167.40167.722020
20210.84%2.89%168.12168.52168.92169.32169.72170.161.77%4.76%170.84171.48172.16172.84173.52174.202021
20223.56%8.36%175.40176.60177.80179.04180.24181.484.81%10.88%183.08184.72186.36188.00189.68191.362022
20233.24%7.72%192.56193.80195.00196.24197.48198.761.69%4.60%199.52200.28201.04201.80202.56203.322023
20241.97%5.16%204.20205.04205.92206.80207.68208.561.48%4.18%209.28210.00210.72211.44212.20212.922024
20250.95%3.11%213.48214.00214.56215.12215.68216.241.43%4.08%216.96217.72218.44219.16219.92220.642025

From $100.00 to $220.64 over 20.5 years = 3.90% average annual increase compounded semi-annually.

Generated  05/01/25  10:59