$500 I Bond with 0.00% Fixed Rate Purchased April 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 500.001.38%2.76%501.20502.20503.40504.60505.80507.000.98%1.96%507.80508.602017
2018509.40510.40511.20512.001.24%2.48%513.00514.20515.20516.20517.20518.401.11%2.22%519.40520.402018
2019521.20522.20523.20524.201.16%2.32%525.20526.20527.20528.20529.20530.200.70%1.40%530.80531.402019
2020532.00532.60533.20534.001.01%2.02%534.80535.80536.60537.60538.40539.400.53%1.06%539.80540.402020
2021540.80541.40541.80542.200.84%1.68%543.00543.80544.40545.20546.00546.801.77%3.54%548.40550.002021
2022551.60553.20554.80556.403.56%7.12%559.60563.00566.20569.60572.80576.204.81%9.62%580.80585.202022
2023589.80594.60599.20604.003.24%6.48%607.20610.40613.80617.00620.20623.601.69%3.38%625.40627.002023
2024628.80630.60632.40634.201.97%3.94%636.20638.40640.40642.60644.60646.601.48%2.96%648.20649.802024
2025651.40653.00654.60656.200.95%1.90%657.20658.20659.40660.40661.40662.401.43%2.86%664.00665.602025
2026667.20668.60670.20671.801.56%3.12%673.60675.20677.00678.80680.60682.201.67%3.34%684.00686.002026
2027687.80689.80691.60693.60

From $500.00 to $693.60 over 10.0 years = 3.30% average annual increase compounded semi-annually.

Generated  05/01/26  08:02