The Daily Ref CPI is calculated from the Monthly Ref CPI. The Daily Ref CPI is then used to calculate the Daily TIPS Index Ratio.
Daily Change in Ref CPI = (Next Mth CPI Index - Curr Mth CPI Index) / Days in Curr Mth
Date |
CPI-U |
|
Daily Change |
Formula |
|---|---|---|---|---|
7/1/2001 |
176.900000 |
0 |
0.025806452 |
176.9+ROUND((0*0.0258064516129027),5) |
7/2/2001 |
176.925810 |
1.00 |
0.025806452 |
176.9+ROUND((1*0.0258064516129027),5) |
7/3/2001 |
176.951610 |
2.00 |
0.025806452 |
176.9+ROUND((2*0.0258064516129027),5) |
7/4/2001 |
176.997420 |
3.00 |
0.025806452 |
176.9+ROUND((3*0.0258064516129027),5) |
7/5/2001 |
177.003230 |
4.00 |
0.025806452 |
176.9+ROUND((4*0.0258064516129027),5) |
7/6/2001 |
177.029030 |
5.00 |
0.025806452 |
176.9+ROUND((5*0.0258064516129027),5) |
7/7/2001 |
177.054840 |
6.00 |
0.025806452 |
176.9+ROUND((6*0.0258064516129027),5) |
7/8/2001 |
177.080650 |
7.00 |
0.025806452 |
176.9+ROUND((7*0.0258064516129027),5) |
7/9/2001 |
177.106450 |
8.00 |
0.025806452 |
176.9+ROUND((8*0.0258064516129027),5) |
7/10/2001 |
177.132260 |
9.00 |
0.025806452 |
176.9+ROUND((9*0.0258064516129027),5) |
7/11/2001 |
177.158060 |
10.00 |
0.025806452 |
176.9+ROUND((10*0.0258064516129027),5) |
7/12/2001 |
177.183870 |
11.00 |
0.025806452 |
176.9+ROUND((11*0.0258064516129027),5) |
7/13/2001 |
177.209680 |
12.00 |
0.025806452 |
176.9+ROUND((12*0.0258064516129027),5) |
7/14/2001 |
177.235480 |
13.00 |
0.025806452 |
176.9+ROUND((13*0.0258064516129027),5) |
7/15/2001 |
177.261290 |
14.00 |
0.025806452 |
176.9+ROUND((14*0.0258064516129027),5) |
7/16/2001 |
177.287100 |
15.00 |
0.025806452 |
176.9+ROUND((15*0.0258064516129027),5) |
7/17/2001 |
177.312900 |
16.00 |
0.025806452 |
176.9+ROUND((16*0.0258064516129027),5) |
7/18/2001 |
177.338710 |
17.00 |
0.025806452 |
176.9+ROUND((17*0.0258064516129027),5) |
7/19/2001 |
177.364520 |
18.00 |
0.025806452 |
176.9+ROUND((18*0.0258064516129027),5) |
7/20/2001 |
177.390320 |
19.00 |
0.025806452 |
176.9+ROUND((19*0.0258064516129027),5) |
7/21/2001 |
177.416130 |
20.00 |
0.025806452 |
176.9+ROUND((20*0.0258064516129027),5) |
7/22/2001 |
177.441940 |
21.00 |
0.025806452 |
176.9+ROUND((21*0.0258064516129027),5) |
7/23/2001 |
177.467740 |
22.00 |
0.025806452 |
176.9+ROUND((22*0.0258064516129027),5) |
7/24/2001 |
177.493550 |
23.00 |
0.025806452 |
176.9+ROUND((23*0.0258064516129027),5) |
7/25/2001 |
177.519350 |
24.00 |
0.025806452 |
176.9+ROUND((24*0.0258064516129027),5) |
7/26/2001 |
177.545160 |
25.00 |
0.025806452 |
176.9+ROUND((25*0.0258064516129027),5) |
7/27/2001 |
177.570970 |
26.00 |
0.025806452 |
176.9+ROUND((26*0.0258064516129027),5) |
7/28/2001 |
177.596770 |
27.00 |
0.025806452 |
176.9+ROUND((27*0.0258064516129027),5) |
7/29/2001 |
177.622580 |
28.00 |
0.025806452 |
176.9+ROUND((28*0.0258064516129027),5) |
7/30/2001 |
177.648390 |
29.00 |
0.025806452 |
176.9+ROUND((29*0.0258064516129027),5) |
7/31/2001 |
177.674190 |
30.00 |
0.025806452 |
176.9+ROUND((30*0.0258064516129027),5) |
8/1/2001 |
177.700000 |
31.00 |
0.025806452 |
176.9+ROUND((31*0.0258064516129027),5) |
Note: |
All calculations must be rounded up to 5 decimal places (this will be the value based on). |
- Daily Ref CPI Index = (Daily change in Ref CPI * Number of Days from Start of Period)
- Round to the decimal precision (value found in the ILB Index Precision)
- Add the Start of the Period CPI-U
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