$500 I Bond with 0.20% Fixed Rate Purchased September 2010

 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
2010 500.000.77%1.74%500.80501.40502.202010
2011502.80503.60504.400.37%0.94%504.80505.20505.60506.00506.40506.802.30%4.80%508.80510.80512.802011
2012514.80517.00519.001.53%3.26%520.40521.80523.20524.60526.00527.401.10%2.40%528.40529.60530.602012
2013531.60532.60533.800.88%1.96%534.60535.60536.40537.20538.20539.000.59%1.38%539.60540.20540.802013
2014541.40542.00542.800.59%1.38%543.40544.00544.60545.20546.00546.600.92%2.04%547.60548.40549.402014
2015550.40551.20552.200.74%1.68%553.00553.80554.60555.20556.00556.80-0.80%0.00%556.80556.80556.802015
2016556.80556.80556.800.77%1.74%557.60558.40559.20560.00560.80561.600.08%0.36%561.80562.00562.202016
2017562.20562.40562.601.38%2.96%564.00565.40566.80568.20569.60571.000.98%2.16%572.00573.00574.002017
2018575.20576.20577.201.24%2.68%578.40579.80581.00582.40583.60585.001.11%2.42%586.20587.40588.602018
2019589.80590.80592.001.16%2.52%593.20594.40595.80597.00598.20599.400.70%1.60%600.20601.00601.802019
2020602.60603.40604.201.01%2.22%605.40606.40607.60608.60609.80611.000.53%1.26%611.60612.20613.002020
2021613.60614.20614.800.84%1.88%615.80616.80617.60618.60619.60620.601.77%3.74%622.60624.40626.402021
2022628.40630.20632.203.56%7.33%636.00639.80643.60647.60651.40655.404.81%9.83%660.60666.00671.402022
2023676.80682.20687.603.24%6.69%691.40695.20699.00702.80706.80710.601.69%3.58%712.80714.80717.002023
2024719.00721.20723.401.97%4.14%725.80728.40730.80733.40735.80738.401.48%3.16%740.40742.20744.202024
2025746.20748.20750.000.95%2.10%751.40752.60754.00755.20756.60757.801.43%3.06%759.80761.60763.602025
2026765.60767.40769.401.56%3.32%771.60773.60775.80777.80780.00782.20

From $500.00 to $782.20 over 16.0 years = 2.82% average annual increase compounded semi-annually.

Generated  11/04/25  09:11