$500 I Bond with 0.10% Fixed Rate Purchased October 2016

 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
2016 500.000.08%0.26%500.20500.202016
2017500.40500.40500.60500.601.38%2.86%501.80503.00504.20505.40506.60507.800.98%2.06%508.60509.602017
2018510.40511.20512.20513.001.24%2.58%514.00515.20516.20517.40518.60519.601.11%2.32%520.60521.602018
2019522.60523.60524.60525.601.16%2.42%526.60527.80528.80529.80530.80532.000.70%1.50%532.60533.402019
2020534.00534.60535.40536.001.01%2.12%537.00537.80538.80539.80540.80541.600.53%1.16%542.20542.602020
2021543.20543.60544.20544.800.84%1.78%545.60546.40547.20548.00548.80549.601.77%3.64%551.20553.002021
2022554.60556.20558.00559.603.56%7.22%563.00566.20569.60573.00576.40579.804.81%9.72%584.40589.002022
2023593.80598.40603.20608.003.24%6.58%611.20614.60618.00621.20624.60628.001.69%3.48%629.80631.602023
2024633.40635.20637.00639.001.97%4.04%641.20643.20645.40647.60649.80652.001.48%3.06%653.60655.402024
2025657.00658.60660.40662.000.95%2.00%663.00664.20665.40666.40667.60668.601.43%2.96%670.20671.802025
2026673.60675.20676.80678.401.56%3.22%680.20682.00683.80685.60687.40689.40

From $500.00 to $689.40 over 10.0 years = 3.24% average annual increase compounded semi-annually.

Generated  11/04/25  09:11