Why inflation moved today: Nowflation Realtime 2.84%, +0.011pp on the day

Nowflation Realtime reads 2.84% year over year as of 2026-09-15, +0.011pp on the day and +0.118pp on the week. The day's change is the sum of the inputs that refreshed. Motor fuel was the biggest upward driver at +0.011pp. Only inputs that refreshed can move the rate; every other component holds its last reading and contributes to the level without moving it.

What moved it today

InputEffect on the rateBasket weight
Motor fuel+0.011pp2.9%
Total+0.011ppresidual 0.000pp

What is in the number

Composition, not movement: every component in the basket with its weight and its own year-over-year rate. A heavy component sits high in this list even on a day it did not move.

ComponentWeightNowflation Realtime YoYInput
Motor fuel2.9%35.34%live
Shelter: Owners' equivalent rent26.2%0.81%live
Food away from home5.37%3.37%held
Food at home8.32%2.13%held
Transportation services6.31%2.46%held
Recreation5.14%2.68%held
Medical care8.42%1.56%held
Education and communication5.85%2.15%held
Electricity2.49%3.79%held
Personal care2.46%3.83%held
Apparel2.37%3.62%held
Household furnishings and operations4.3%1.98%held
New vehicles3.84%2.08%live
Shelter: Rent7.84%0.81%live
Water, sewer and trash1.14%4.76%held
Lodging away from home1.29%3.18%held
Utility gas0.77%4.39%held
Tobacco0.45%6.29%held
Other (residual, core CPI proxy)0.94%2.45%held
Alcoholic beverages0.84%1.62%held
Used vehicles2.76%0.39%live

Nowflation Realtime runs below official CPI by 0.56pp. Rents on new leases are up 0.81% YoY in the latest data while CPI's shelter index is up 2.09%.