Savings Bond Alert #014

Thursday, September 15th, 2005
Categorized as: Savings Bond Alerts

Next I bond rate could exceed 5%

For the current six-month I bond rate-setting period, inflation is running at 3.85%, as compared to the 3.58% rate of the last rate-setting period, according to today’s Consumer Price Index announcement.

If this rate continues in the final month of the rate setting period, the I bond rate announced on November 1 will be over 5%, as compared to the current 4.80%.

I’ll publish more exact numbers here in mid-October.

Meanwhile, total investments in Savings Bonds continue to be heavily weighted towards I bonds – 63% in August – but dwindling on a year-over-year basis. Total sales this fiscal year are on track to be the lowest in three and perhaps four years.

Savings Bond Alert readers can see an online updated monthly sales chart at Book Note 2-1.

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FDIC Insured Certificates of Deposit can pay 1 or 2% more than savings bonds when held for a similar length of time. See top CD Rates Below:

10 Comments

On September 15th, 2005 Anonymous said:

Could you please explain how you get your numbers from the raw CPI-U numbers released today?

On September 16th, 2005 Tom Adams said:

The I bond inflation rate component is calculated from the raw CPI-U numbers in March and September. We don’t know the September number yet, but if you annualize the difference between the March and August numbers, you get 3.85%.

On September 16th, 2005 Anonymous said:

Any guesses about the fixed rate?

I have a feeling it may remain at 1.2%…

On September 16th, 2005 Tom Adams said:

The fixed rates for 5-year TIPS (Treasury Inflation Protected Securities – the big boy version of I bonds) have been going up. As long as they don’t suddenly head back down, the fixed portion will be no lower than the current 1.2% and could even be higher.

On September 18th, 2005 Anonymous said:

can you double check your prediction, it must be a big mistake,this the monly increase of the CPI-U:

Apr. May Jun July Aug.
0.5 -0.1 0.0 0.5 0.5

assume Sept. is flat (0.0),
that will be 1.4%x2 = 2.8% + fixed rate (1.0%) = 3.8%

On September 19th, 2005 Tom Adams said:

Obviously the September inflation rate will make a big difference in the final number. But the March index was 193.30 and August index was 196.40. The math goes like this:

196.40-193.30 = 3.1 points change
3.1 / 5 months = .62 per month
.62 * 12 = 7.44 (annualize)
7.44 / 193.30 = 3.85% inflation rate

1.20% fixed + 3.85% = 5.05%

On September 23rd, 2005 Anonymous said:

you overcounted one month in the calculation.

On September 23rd, 2005 Tom Adams said:

The difference between our calculations is that yours assumes September’s rate will be 0% and mine assumes it will be the same as the rate during the April – August period.

Which month do you think I counted twice?

On October 14th, 2005 Anonymous said:

The CPI number came out this morning and it was a 1.20% increase for the month of Sept. I figure the annualized inflation rate for the past 6 months to be 5.65%. If the current fixed rate on I bonds stays the same at 1.20% that would be a rate of 6.85% for the next 6 months on I bonds. That’s a serious return in today’s fixed income environment. Is my math correct on this calculation?

Comments Closed

June 1, 2010

After six years, over 400 posts, 3,680 real comments, and over 90,000 spam comments (thank you, Akismet, for making managing a blog with comments possible), I am closing public comments on Savings-Bond-Advisor.com. I will contine to update the main articles on this site, but not the comments.

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Tom Adams

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