$1,000 I Bond with 0.10% Fixed Rate Purchased September 2009

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
2009 1,000.00-2.78%0.00%1,000.001,000.001,000.002009
20101,000.001,000.001,000.001.53%3.16%1,002.801,005.201,008.001,010.401,013.201,016.000.77%1.64%1,017.201,018.801,020.002010
20111,021.601,022.801,024.400.37%0.84%1,025.201,026.001,026.401,027.201,028.001,028.802.30%4.70%1,032.801,036.801,040.802011
20121,044.801,048.801,052.801.53%3.16%1,055.601,058.401,061.201,064.001,066.801,069.601.10%2.30%1,071.601,073.601,075.602012
20131,077.601,080.001,082.000.88%1.86%1,083.601,085.201,087.201,088.801,090.401,092.000.59%1.28%1,093.201,094.401,095.602013
20141,096.801,098.001,098.800.59%1.28%1,100.001,101.201,102.401,103.601,104.801,106.000.92%1.94%1,107.601,109.601,111.202014
20151,113.201,114.801,116.800.74%1.58%1,118.401,119.601,121.201,122.801,124.001,125.60-0.80%0.00%1,125.601,125.601,125.602015
20161,125.601,125.601,125.600.77%1.64%1,127.201,128.801,130.401,131.601,133.201,134.800.08%0.26%1,135.201,135.201,135.602016
20171,135.601,136.001,136.401.38%2.86%1,139.201,141.601,144.401,147.201,150.001,152.800.98%2.06%1,154.801,156.801,158.802017
20181,160.801,162.801,164.801.24%2.58%1,167.201,169.601,172.401,174.801,177.201,180.001.11%2.32%1,182.401,184.401,186.802018
20191,189.201,191.201,193.601.16%2.42%1,196.001,198.401,200.801,203.201,205.601,208.000.70%1.50%1,209.601,211.201,212.402019
20201,214.001,215.601,217.201.01%2.12%1,219.201,221.601,223.601,225.601,228.001,230.00

From $1,000.00 to $1,230.00 over 11.0 years = 1.89% average annual increase compounded semi-annually.

Generated  11/01/19  10:10