$500 I Bond with 0.10% Fixed Rate Purchased September 2009

 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
2009 500.00-2.78%0.00%500.00500.00500.002009
2010500.00500.00500.001.53%3.16%501.40502.60504.00505.20506.60508.000.77%1.64%508.60509.40510.002010
2011510.80511.40512.200.37%0.84%512.60513.00513.20513.60514.00514.402.30%4.70%516.40518.40520.402011
2012522.40524.40526.401.53%3.16%527.80529.20530.60532.00533.40534.801.10%2.30%535.80536.80537.802012
2013538.80540.00541.000.88%1.86%541.80542.60543.60544.40545.20546.000.59%1.28%546.60547.20547.802013
2014548.40549.00549.400.59%1.28%550.00550.60551.20551.80552.40553.000.92%1.94%553.80554.80555.602014
2015556.60557.40558.400.74%1.58%559.20559.80560.60561.40562.00562.80-0.80%0.00%562.80562.80562.802015
2016562.80562.80562.800.77%1.64%563.60564.40565.20565.80566.60567.400.08%0.26%567.60567.60567.802016
2017567.80568.00568.201.38%2.86%569.60570.80572.20573.60575.00576.400.98%2.06%577.40578.40579.402017
2018580.40581.40582.401.24%2.58%583.60584.80586.20587.40588.60590.001.11%2.32%591.20592.20593.402018
2019594.60595.60596.80

From $500.00 to $596.80 over 9.5 years = 1.87% average annual increase compounded semi-annually.

Generated  05/01/18  10:10