$500 I Bond with 0.00% Fixed Rate Purchased September 2012

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
2012 500.001.10%2.20%501.00501.80502.802012
2013503.60504.60505.600.88%1.76%506.40507.00507.80508.60509.40510.000.59%1.18%510.60511.00511.602013
2014512.00512.60513.000.59%1.18%513.60514.00514.60515.00515.60516.000.92%1.84%516.80517.60518.402014
2015519.20520.00520.800.74%1.48%521.40522.00522.80523.40524.00524.60-0.80%0.00%524.60524.60524.602015
2016524.60524.60524.600.77%1.54%525.20526.00526.60527.20528.00528.600.08%0.16%528.60528.80528.802016
2017528.80529.00529.001.38%2.76%530.20531.40532.60533.80535.00536.400.98%1.96%537.20538.20539.002017
2018539.80540.80541.601.24%2.48%542.80543.80545.00546.00547.20548.401.11%2.22%549.40550.40551.402018
2019552.40553.40554.401.16%2.32%555.40556.60557.60558.60559.80560.800.70%1.40%561.40562.20562.802019
2020563.40564.00564.801.01%2.02%565.80566.60567.60568.60569.60570.600.53%1.06%571.20571.60572.202020
2021572.60573.20573.600.84%1.68%574.40575.20576.00576.80577.60578.401.77%3.54%580.00581.80583.402021
2022585.20587.00588.603.56%7.12%592.00595.60599.00602.40606.00609.604.81%9.62%614.40619.20624.002022
2023629.00634.00639.003.24%6.48%642.40645.80649.20652.80656.20659.801.69%3.38%661.60663.40665.402023
2024667.20669.00671.001.97%3.94%673.20675.40677.60679.80682.00684.201.48%2.96%685.80687.60689.202024
2025691.00692.60694.400.95%1.90%695.40696.60697.60698.80699.80701.001.43%2.86%702.60704.40706.002025
2026707.60709.40711.001.56%3.12%712.80714.60716.60718.40720.20722.00

From $500.00 to $722.00 over 14.0 years = 2.64% average annual increase compounded semi-annually.

Generated  11/04/25  09:11