$10,000 I Bond with 0.00% Fixed Rate Purchased October 2017

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2017 10,0000.98%1.96%10,01610,0322017
201810,04810,06410,08010,1001.24%2.48%10,12010,14010,16410,18410,20410,2241.11%2.22%10,24410,2602018
201910,28010,30010,32010,3361.16%2.32%10,35610,37610,39610,41610,43610,4560.70%1.40%10,46810,4802019
202010,49210,50410,51610,5281.01%2.02%10,54410,56410,58010,60010,61610,636

From $10,000 to $10,636 over 3.0 years = 2.07% average annual increase compounded semi-annually.

Generated  11/01/19  10:10