Transparency & Attribution

Data Sources & Credits

Every number on this platform traces back to a named source. Below is a full account of where the data comes from, how it is used, and what each provider's terms require us to say.

Government & Intergovernmental Sources

U.S. Energy Information Administration (EIA)

U.S. Department of Energy — Federal Government

eia.gov/opendata
What we use: WTI and Brent crude prices, Henry Hub natural gas, gasoline and diesel retail prices, crude and product inventory stocks, refinery utilisation. Series families: PET, NG, STEO via EIA Open Data API v2.
How we access it: Free API, registration required. Updated daily.

EIA content is U.S. government public domain material. Commercial use and redistribution are permitted with attribution. The EIA does not endorse this platform. Source: U.S. Energy Information Administration (eia.gov).

Live — DailyPublic Domain

EIA — Carbon Emissions Series

U.S. Energy Information Administration — Open Data API

eia.gov/opendata
What we use: U.S. energy-related CO₂ emissions. Series PMTCEUS (total energy CO₂) and TETCEUS (total by sector).
Lag: Approximately 4 months behind real time. Noted on the Carbon Overlay page.

Same public domain terms as above. Source: U.S. Energy Information Administration (eia.gov).

~4mo LagPublic Domain

UN Comtrade Database

United Nations Statistics Division — DESA

comtradeplus.un.org
What we use: Global oil and gas trade flows. HS codes 2709 (crude petroleum), 2710 (refined products), 2711 (petroleum gases).
Important: Raw Comtrade records are not redistributed here. We publish derived trade-flow analytics only.

Subject to the UN Comtrade Usage Agreement (comtradeplus.un.org). Redistribution of raw data requires written permission from the UN Statistics Division. Source: United Nations Comtrade Database.

Live — MonthlyUN License

OPEC Secretariat

Organization of the Petroleum Exporting Countries

opec.org
What we use: Monthly production actuals and quota allocations for 10 OPEC member countries.
Derived signals: Per-member compliance ratio, over/under-production, group total.

Drawn from publicly released OPEC Monthly Oil Market Reports. This platform has no affiliation with OPEC. Source: OPEC Secretariat (opec.org).

Live — MonthlyPublic Data

GIE AGSI Platform

Gas Infrastructure Europe — Aggregated Gas Storage Inventory

agsi.gie.eu
What we use: European natural gas storage levels by country, updated daily. Inventory capacity, working gas volume, injection and withdrawal rates across EU member states.

Sourced via the GIE AGSI public API. No affiliation with Gas Infrastructure Europe. Source: GIE AGSI Platform (agsi.gie.eu).

Live — DailyGIE Terms

Commercial & Third-Party Providers

VesselAPI — AIS Vessel Tracking

VesselAPI.com — Maritime AIS Data

vesselapi.com
What we use: Real-time AIS vessel positions across four chokepoints: Strait of Hormuz, Strait of Gibraltar, Strait of Malacca, Bosphorus Strait.
Enrichment: 123 MMSIs resolved to vessel type. Free tier, 80 API calls per month.

Used under VesselAPI free-tier terms for analytical purposes only. Raw vessel positions are not published or redistributed. Pipeline quota resets July 1, 2026. Source: VesselAPI.com.

Paused — QuotaAPI Terms

Frankfurter API — Exchange Rates

frankfurter.app — European Central Bank Reference Rates

frankfurter.app
What we use: Daily FX rates vs. USD for EUR, GBP, JPY, CAD.
Purpose: Currency normalisation across trade flow and price comparisons. No API key required.

Open-source service built on ECB reference rates. Source: Frankfurter API (frankfurter.app); data from the European Central Bank.

Live — DailyOpen / ECB

Cerebras AI — Weekly Market Narrative

Cerebras Systems — AI Inference Platform

cloud.cerebras.ai
What we use: gpt-oss-120b reasoning model to generate a weekly plain-English briefing from structured signal data in BigQuery.
Published: Every Monday via automated pipeline. All AI-generated content is clearly labelled on the platform.

AI output is not financial advice. Used under Cerebras free-tier terms. Source: Cerebras AI (cloud.cerebras.ai).

Live — WeeklyCerebras ToS

Citing This Platform

If you reference analysis from The Crude Signal in your own work, please cite both this platform and the original sources:

The Crude Signal (signal.anujmehta.co). Data sourced from the U.S. Energy Information Administration, UN Comtrade, OPEC Secretariat, VesselAPI, GIE AGSI, and Frankfurter API (ECB). AI narrative by Cerebras gpt-oss-120b. Accessed [date].

Underlying data remains the property of each respective provider. All derived analytics, computed signals, and commentary are original work of The Crude Signal.

Disclaimer

The Crude Signal is an independent energy data and analytics platform. It is not a registered investment adviser, broker-dealer, or financial institution. Nothing here constitutes financial, investment, trading, or legal advice. All content is for informational purposes only.

Data feeds and AI-generated narrative may contain errors, omissions, or delays. Past signal performance does not predict future accuracy. You are solely responsible for decisions made using this platform.

The Crude Signal has no affiliation with the U.S. Energy Information Administration, the United Nations, OPEC, Gas Infrastructure Europe, VesselAPI, Cerebras Systems, or Google LLC.

© 2026 The Crude Signal / Anuj Mehta. All derived analytics, design, and platform code are proprietary. Unauthorised reproduction is prohibited.