From the WSJ Real Time Economics
Wednesday was supposed to bring the government’s monthly report on the consumer price index. Now it’s delayed — and next month’s report could even get ditched — due to the government shutdown, throwing a wrinkle into calculations for Social Security, Treasury securities, life insurance and other legal agreements.
This may also affect Series I Savings Bonds. In the past we have been able to calculate the November inflation component of the I Bond in mid October after the CPI is released