$1,000 I Bond with 0.30% Fixed Rate Purchased May 2018

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2018 1,000.001.11%2.52%1,002.001,004.001,006.401,008.401,010.401,012.801.16%2.62%1,014.802018
20191,017.201,019.601,021.601,024.001,026.000.70%1.70%1,027.601,028.801,030.401,032.001,033.201,034.801.01%2.32%1,036.802019
20201,038.801,040.801,042.801,044.801,046.800.53%1.36%1,048.001,049.201,050.401,051.601,052.801,054.000.84%1.98%1,055.602020
20211,057.601,059.201,060.801,062.801,064.401.77%3.85%1,067.601,071.201,074.401,078.001,081.601,084.803.56%7.43%1,091.602021
20221,098.001,104.801,111.601,118.401,125.204.81%9.93%1,134.401,143.601,152.801,162.001,171.601,181.203.24%6.79%1,187.602022
20231,194.401,201.201,207.601,214.401,221.201.69%3.69%1,224.801,228.801,232.401,236.001,240.001,243.601.97%4.25%1,248.002023
20241,252.401,256.801,261.201,265.601,270.001.48%3.26%1,273.601,276.801,280.401,283.601,287.201,290.80

From $1,000.00 to $1,290.80 over 6.5 years = 3.97% average annual increase compounded semi-annually.

Generated  05/12/24  08:12