Catalog / Macro & Inflation Nowcast

Macro & Inflation Nowcast data feeds

High-frequency price and activity series that nowcast CPI, GDP, and other macro prints before the official release.

total in this domain

free / public

🔒 locked

Public feeds

grocery.walmart.com item pages / internal GraphQL endpoint (unofficial, reverse-engineered)

Walmart is the single largest US grocery seller; fixed-SKU repricing leads the BLS Food-at-Home CPI print by 3-5 weeks since retailers reprice continuously while BLS samples monthly → CPI Food at Home, grocery inflation nowcast

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Target.com fixed-basket index

target.com product API (redsky.target.com unofficial endpoint)

Cross-checks the Walmart basket against a second major retailer to separate genuine cost-push inflation from single-retailer promo noise → CPI Food at Home / Household Supplies

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Zillow Observed Rent Index (ZORI) delta

Zillow Research published CSV downloads (zillow.com/research/data)

Asking rents lead OER/rent-of-shelter CPI by roughly 12-18 months due to lease-renewal lag baked into the BLS methodology; ZORI is the cleanest public leading proxy → CPI Shelter / OER component, multifamily REITs

LOCKEDmonthlyban:nonetA

CarGurus used-vehicle listing price index

cargurus.com search results pages

Used-car listing prices move in real time as dealers reprice against Manheim wholesale trends, giving a daily lead on the volatile Used Cars & Trucks CPI component → CPI Used Cars and Trucks

PREMIUMdailyban:mediumtB

GasBuddy national/state average gas price

GasBuddy API (gasprices.gasbuddy.com) or public widget feed

Retail gas prices are close to real-time pass-through of wholesale/futures moves and are the single most volatile CPI energy sub-component — a daily feed materially beats the BLS monthly sample timing → CPI Motor Fuel / Energy component, crude oil crack spread trades

FREEdailyban:mediumtB

EIA weekly retail gasoline & diesel prices

EIA.gov Petroleum & Other Liquids API (api.eia.gov)

Official government series, released Mondays, is the ground-truth benchmark the two scrapers above should track — use for divergence/error-checking, not commodity edge alone → CPI Energy component, diesel-sensitive freight names

FREEweeklyban:nonetA

Home Depot appliance & lumber price panel

homedepot.com product API (unofficial GraphQL) by store/zip

Lumber and major-appliance retail pricing are sensitive to both commodity input costs (lumber futures) and tariff/supply shocks, giving an early read on durable-goods and shelter-adjacent (new construction) cost pressure → CPI Major Appliances, home construction cost inflation

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NY Fed Survey of Consumer Expectations — inflation

newyorkfed.org/microeconomics/sce, published CSV microdata + summary

Household inflation expectations feed into wage demands and pricing behavior (expectations-augmented Phillips curve); category splits let you isolate rent/gas/food expectation shifts before they show in realized CPI → CPI (all categories), TIPS breakeven trades, Fed policy path

PREMIUMmonthlyban:nonetA

University of Michigan Surveys of Consumers — inflation expectations

sca.isr.umich.edu published tables (free historical CSV, current month partially gated)

Released twice monthly (prelim + final), it's a widely watched Fed input; the prelim-vs-final revision itself is a tradeable surprise around CPI/FOMC weeks → Rate expectations, TIPS breakevens

PREMIUMmonthlyban:nonetA

DOT/BTS Domestic Airfare (Airline Origin/Destination Survey)

transtats.bts.gov (Bureau of Transportation Statistics), free public database/CSV

Official ground-truth government airfare data; use to calibrate faster commercial airfare-scrape signals and catch route-level fare inflation the CPI airfare index (a national aggregate) smooths over → CPI Airline Fares component

FREEmonthlyban:nonetA

Kayak/Google Flights fixed-route fare panel

Google Flights / Kayak search results (unofficial scrape, aggressive bot defenses)

Daily fare quotes lead the monthly BLS airfare CPI print by weeks and reveal route-level divergence (e.g. leisure vs business corridors) that the national CPI aggregate hides → CPI Airline Fares component

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Numbeo crowdsourced cost-of-living index

numbeo.com city price pages / API (free tier + paid API)

Crowdsourced submissions update faster than official surveys in smaller US metros BLS doesn't sample directly, giving city-level inflation color unavailable elsewhere for free → Regional CPI divergence, metro-level cost-of-living arbitrage

LOCKEDweeklyban:lowtB

Ship & Bunker global marine fuel price index

shipandbunker.com daily price tables

Marine fuel is the single largest variable cost in ocean freight; bunker price moves lead container/bulk spot-rate changes by 2-4 weeks, ahead of import-cost inflation → freight/shipping cost inflation, energy

PREMIUMdailyban:lowtB

DTN/Progressive Farmer retail fertilizer price survey

dtnpf.com fertilizer price index

Retail fertilizer prices are a direct farm-input cost leading indicator for agricultural commodity production costs, flowing into retail food CPI 2-3 quarters later → ag commodities, food CPI

PREMIUMweeklyban:lowtB

NY MTA congestion-pricing toll & crossing volume

MTA open data portal / Port Authority of NY & NJ traffic data

Live CBD toll revenue and crossing volume gauge Manhattan economic activity and consumer willingness-to-pay in near real time, ahead of regional economic releases → regional CPI/economic activity

FREEintradayban:nonetA

StockX sneaker/streetwear resale index

stockx.com public index and product pages

Resale premiums on discretionary collectibles are a live consumer-sentiment gauge and a genuine secondary-market durable-goods price series distinct from official apparel CPI → consumer discretionary sentiment

FREEdailyban:mediumtB

Locked — held back

Redacted and held back — our highest-signal feeds plus anything with compliance restrictions. Not for sale yet. The FREE and PREMIUM tiers are on pricing.