$500 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 500.000.98%1.96%500.80501.602017
2018502.40503.20504.00505.001.24%2.48%506.00507.00508.20509.20510.20511.201.11%2.22%512.20513.002018
2019514.00515.00516.00516.801.16%2.32%517.80518.80519.80520.80521.80522.800.70%1.40%523.40524.002019
2020524.60525.20525.80526.401.01%2.02%527.20528.20529.00530.00530.80531.800.53%1.06%532.20532.802020
2021533.20533.60534.20534.600.84%1.68%535.40536.00536.80537.60538.40539.00

From $500.00 to $539.00 over 4.0 years = 1.89% average annual increase compounded semi-annually.

Generated  11/02/20  10:31