July Inflation Rises 0.2%: What This Means For TIPS, I Bonds And Social Security


  • 12-month core inflation rose to 2.4%, the highest number since September 2008.
  • Non-seasonally adjusted inflation was essentially flat, meaning minimal principal increases for TIPS and little change in the six-month total that will reset the I Bond’s variable rate.
  • CPI-W was also flat, marking the first month of the three-month period that will set Social Security’s COLA for 2019.

Read my full analysis on SeekingAlpha.com

Also, I have updated my I Bonds and Inflation page with these new numbers.

Also updated: Social Security COLA calculations.

And here are new September Inflation Indexes for all TIPS.

Screen Shot 2018-08-10 at 7.45.57 AM


About Tipswatch

Author of Tipswatch.com blog, David Enna is a long-time journalist based in Charlotte, N.C. A past winner of two Society of American Business Editors and Writers awards, he has written on real estate and home finance, and was a founding editor of The Charlotte Observer's website.
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