$500 I Bond with 0.00% Fixed Rate Purchased October 2020

 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
2020 500.000.53%1.06%500.40500.802020
2021501.40501.80502.20502.600.84%1.68%503.40504.00504.80505.40506.20506.801.77%3.54%508.20509.802021
2022511.20512.80514.20515.803.56%7.12%518.80521.80525.00528.00531.00534.204.81%9.62%538.40542.602022
2023546.80551.20555.60559.803.24%6.48%562.80565.80568.80571.80574.80578.001.69%3.38%579.60581.202023
2024582.80584.40586.20587.801.97%3.94%589.80591.60593.60595.40597.40599.401.48%2.96%600.80602.402024
2025603.80605.20606.80608.200.95%1.90%609.20610.20611.00612.00613.00614.001.43%2.86%615.40617.002025
2026618.40619.80621.40622.801.56%3.12%624.40626.00627.60629.20630.80632.601.67%3.34%634.40636.202026
2027637.80639.60641.40643.20

From $500.00 to $643.20 over 6.5 years = 3.91% average annual increase compounded semi-annually.

Generated  05/01/26  08:02