$500 I Bond with 0.00% Fixed Rate Purchased October 2011

 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
2011 500.002.30%4.60%501.80503.802011
2012505.80507.60509.60511.601.53%3.06%512.80514.20515.40516.80518.20519.401.10%2.20%520.40521.202012
2013522.20523.20524.20525.200.88%1.76%526.00526.80527.60528.20529.00529.800.59%1.18%530.40530.802013
2014531.40531.80532.40533.000.59%1.18%533.60534.00534.60535.00535.60536.200.92%1.84%537.00537.802014
2015538.60539.40540.40541.200.74%1.48%541.80542.60543.20543.80544.60545.20-0.80%0.00%545.20545.202015
2016545.20545.20545.20545.200.77%1.54%545.80546.60547.20548.00548.60549.400.08%0.16%549.40549.602016
2017549.60549.60549.80549.801.38%2.76%551.00552.40553.60554.80556.20557.400.98%1.96%558.40559.202017
2018560.20561.00562.00562.801.24%2.48%564.00565.20566.20567.40568.60569.801.11%2.22%570.80572.002018
2019573.00574.00575.00576.201.16%2.32%577.40578.40579.60580.60581.80582.800.70%1.40%583.40584.202019
2020584.80585.60586.20586.801.01%2.02%587.80588.80589.80590.80591.80592.800.53%1.06%593.40593.802020
2021594.40594.80595.40596.000.84%1.68%596.80597.60598.40599.40600.20601.001.77%3.54%602.80604.602021
2022606.20608.00609.80611.603.56%7.12%615.20618.80622.40626.00629.60633.404.81%9.62%638.40643.402022
2023648.40653.60658.60663.803.24%6.48%667.40670.80674.40678.00681.60685.401.69%3.38%687.40689.202023
2024691.20693.20695.00697.001.97%3.94%699.20701.60703.80706.20708.40710.801.48%2.96%712.60714.202024
2025716.00717.80719.60721.400.95%1.90%722.60723.60724.80726.00727.20728.201.43%2.86%730.00731.602025
2026733.40735.20736.80738.601.56%3.12%740.60742.40744.40746.20748.20750.20

From $500.00 to $750.20 over 15.0 years = 2.72% average annual increase compounded semi-annually.

Generated  11/04/25  09:11