$1,000 I Bond with 0.00% Fixed Rate Purchased July 2012

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2012 1,000.001.10%2.20%1,002.001,003.601,005.601,007.201,009.202012
20131,011.200.88%1.76%1,012.801,014.001,015.601,017.201,018.801,020.000.59%1.18%1,021.201,022.001,023.201,024.001,025.202013
20141,026.000.59%1.18%1,027.201,028.001,029.201,030.001,031.201,032.000.92%1.84%1,033.601,035.201,036.801,038.401,040.002014
20151,041.600.74%1.48%1,042.801,044.001,045.601,046.801,048.001,049.20-0.80%0.00%1,049.201,049.201,049.201,049.201,049.202015
20161,049.200.77%1.54%1,050.401,052.001,053.201,054.401,056.001,057.200.08%0.16%1,057.201,057.601,057.601,057.601,058.002016
20171,058.001.38%2.76%1,060.401,062.801,065.201,067.601,070.001,072.800.98%1.96%1,074.401,076.401,078.001,079.601,081.602017
20181,083.201.24%2.48%1,085.601,087.601,090.001,092.001,094.401,096.801.11%2.22%1,098.801,100.801,102.801,104.801,106.802018
20191,108.801.16%2.32%1,110.801,113.201,115.201,117.201,119.601,121.600.70%1.40%1,122.801,124.401,125.601,126.801,128.002019
20201,129.601.01%2.02%1,131.601,133.201,135.201,137.201,139.201,141.200.53%1.06%1,142.401,143.201,144.401,145.201,146.402020
20211,147.200.84%1.68%1,148.801,150.401,152.001,153.601,155.201,156.80

From $1,000.00 to $1,156.80 over 9.0 years = 1.62% average annual increase compounded semi-annually.

Generated  11/02/20  10:30