$500 I Bond with 0.10% Fixed Rate Purchased June 2014

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2014 500.000.92%1.94%500.80501.60502.40503.20504.00504.802014
20150.74%1.58%505.40506.20506.80507.40508.20508.80-0.80%0.00%508.80508.80508.80508.80508.80508.802015
20160.77%1.64%509.40510.20510.80511.60512.20513.000.08%0.26%513.20513.20513.40513.40513.60513.602016
20171.38%2.86%514.80516.00517.20518.40519.80521.000.98%2.06%521.80522.80523.60524.60525.40526.402017
20181.24%2.58%527.60528.60529.80531.00532.00533.201.11%2.32%534.20535.20536.20537.40538.40539.402018
20191.16%2.42%540.40541.60542.60543.80544.80546.000.70%1.50%546.60547.40548.00548.80549.40550.002019
20201.01%2.12%551.00552.00553.00553.80554.80555.800.53%1.16%556.40556.80557.40558.00558.40559.002020
20210.84%1.78%559.80560.60561.40562.40563.20564.001.77%3.64%565.60567.40569.20570.80572.60574.202021
20223.56%7.22%577.60581.00584.40588.00591.40595.004.81%9.72%599.80604.40609.20614.20619.00624.002022
20233.24%6.58%627.40630.80634.20637.60641.00644.601.69%3.48%646.40648.40650.20652.00654.00655.802023
20241.97%4.04%658.00660.20662.40664.60666.80669.001.48%3.06%670.60672.40674.00675.80677.60679.202024
20250.95%2.00%680.40681.40682.60683.80684.80686.001.43%2.96%687.60689.40691.00692.80694.40696.202025
20261.56%3.22%698.00700.00701.80703.60705.60707.40

From $500.00 to $707.40 over 12.0 years = 2.91% average annual increase compounded semi-annually.

Generated  11/04/25  09:11