$1,000 I Bond with 0.00% Fixed Rate Purchased August 2021

 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
2021 1,000.001.77%3.54%1,002.801,006.001,008.801,011.602021
20221,014.801,017.603.56%7.12%1,023.601,029.601,035.601,041.601,047.601,054.004.81%9.62%1,062.401,070.801,079.201,087.602022
20231,096.001,104.803.24%6.48%1,110.801,116.801,122.401,128.401,134.401,140.401.69%3.38%1,143.601,146.801,150.001,153.202023
20241,156.401,159.601.97%3.94%1,163.201,167.201,170.801,174.801,178.801,182.401.48%2.96%1,185.201,188.401,191.201,194.002024
20251,196.801,200.000.95%1.90%1,202.001,203.601,205.601,207.601,209.601,211.601.43%2.86%1,214.401,217.201,220.401,223.202025
20261,226.001,228.80

From $1,000.00 to $1,228.80 over 4.5 years = 4.63% average annual increase compounded semi-annually.

Generated  05/01/25  10:59