VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, October 30, 2025

Tool Comparison

ECB Data Portal vs Multpl comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

ECB Data Portal adds APIs & SDKs, Central Bank Watcher, Unemployment Rates, and Yield Curves coverage that Multpl skips.

Multpl includes Financials categories that ECB Data Portal omits.

In depth comparison

ECB Data Portal

data.ecb.europa.eu

Official ECB gateway for euro‑area statistics with an open SDMX 2.1 REST API. The new endpoint is https://data-api.ecb.europa.eu/service/ (replacing the legacy SDW path). Content negotiation supports SDMX‑JSON, CSV, and SDMX‑ML. Charts and tables can be downloaded as CSV/XLS (long & wide), and charts as PNG/PDF/PPT. Typical update cadence is daily to monthly (e.g., reference FX rates around 16:00 CET on working days). ECB advises migrating from the old SDW URL as automatic redirects are planned to end on 1 Oct 2025.

Platforms

WebAPI

Pricing

Free

Quick highlights

Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations).
Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic).
Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint).
Comprehensive euro‑area macro & markets coverage: HICP inflation, key & market interest rates, exchange rates (reference rates), GDP and labor indicators, plus euro‑area yield curves (spot/forward/par).
Revisions/deltas supported (`updatedAfter`) and conditional GET via `If‑Modified‑Since` for efficient sync.

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Multpl

multpl.com

Free, lightweight site for long‑term charts and tables of S&P 500 valuation metrics (P/E, Shiller CAPE, P/S, P/B, earnings yield), dividends/earnings/sales per share, US Treasury rates & real yields, CPI/inflation, GDP, population and income stats. Each page cites original sources (S&P Global, US Treasury, BLS, BEA, Robert Shiller). Historical series are typically monthly/quarterly; many pages show the current value with an end‑of‑day timestamp. Multpl does not advertise a first‑party API, but much of its curated data is available as the **MULTPL** database on **Nasdaq Data Link (formerly Quandl)** with REST/CSV/JSON access.

Platforms

Web

Pricing

Free

Quick highlights

Clean charts + tabular views with ‘By month’ / ‘By year’ toggles for each series.
S&P 500 valuation dashboards: PE, Shiller CAPE (with FAQ), price‑to‑sales, price‑to‑book, earnings yield.
Macro breadth: CPI & inflation rate; GDP (real & nominal), growth rates, real GDP per‑capita; US Treasury tenors (1M–30Y) and real yields.
On‑page source disclosure and methodology notes (e.g., monthly averages for S&P price series; CAPE construction).
Homepage tile layout with live EOD stamps (e.g., '4:00 PM EDT') across popular series.

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Where they differ

ECB Data Portal

Distinct strengths include:

APIs & SDKs Central Bank Watcher Unemployment Rates Yield Curves

Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations).
Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic).
Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint).
Comprehensive euro‑area macro & markets coverage: HICP inflation, key & market interest rates, exchange rates (reference rates), GDP and labor indicators, plus euro‑area yield curves (spot/forward/par).

Multpl

Distinct strengths include:

Financials

Clean charts + tabular views with ‘By month’ / ‘By year’ toggles for each series.
S&P 500 valuation dashboards: PE, Shiller CAPE (with FAQ), price‑to‑sales, price‑to‑book, earnings yield.
Macro breadth: CPI & inflation rate; GDP (real & nominal), growth rates, real GDP per‑capita; US Treasury tenors (1M–30Y) and real yields.
On‑page source disclosure and methodology notes (e.g., monthly averages for S&P price series; CAPE construction).

Feature-by-feature breakdown

Attribute	ECB Data Portal	Multpl
Categories Which research workflows each platform targets	Shared: Data APIs, Inflation Rates, Interest Rates, GDP, Real Yields, Data Visualizations Unique: APIs & SDKs, Central Bank Watcher, Unemployment Rates, Yield Curves	Shared: Data APIs, Inflation Rates, Interest Rates, GDP, Real Yields, Data Visualizations Unique: Financials
Asset types Supported asset classes and universes	Bonds, Currencies, Other	Stocks, Bonds, Other
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web
Pricing High-level pricing models	Free	Free
Key features Core capabilities called out by each vendor	Unique Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations). Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic). Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint). Comprehensive euro‑area macro & markets coverage: HICP inflation, key & market interest rates, exchange rates (reference rates), GDP and labor indicators, plus euro‑area yield curves (spot/forward/par). Revisions/deltas supported (`updatedAfter`) and conditional GET via `If‑Modified‑Since` for efficient sync. Yield curve datasets include AAA euro‑area government curves with daily business‑week frequency; additional capital‑market series include real benchmark bond yields.	Unique Clean charts + tabular views with ‘By month’ / ‘By year’ toggles for each series. S&P 500 valuation dashboards: PE, Shiller CAPE (with FAQ), price‑to‑sales, price‑to‑book, earnings yield. Macro breadth: CPI & inflation rate; GDP (real & nominal), growth rates, real GDP per‑capita; US Treasury tenors (1M–30Y) and real yields. On‑page source disclosure and methodology notes (e.g., monthly averages for S&P price series; CAPE construction). Homepage tile layout with live EOD stamps (e.g., '4:00 PM EDT') across popular series. Programmatic alternative via Nasdaq Data Link ‘MULTPL’ datasets (REST API; CSV/JSON; SDKs in Python/R).
Tested Verified by hands-on testing inside Find My Moat	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do ECB Data Portal and Multpl both support?

Both platforms cover Data APIs, Inflation Rates, Interest Rates, GDP, Real Yields, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do ECB Data Portal and Multpl require subscriptions?

Both ECB Data Portal and Multpl keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access ECB Data Portal and Multpl?

Both ECB Data Portal and Multpl prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

ECB Data Portal differentiates itself with Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations)., Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic)., and Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint)., whereas Multpl stands out for Clean charts + tabular views with ‘By month’ / ‘By year’ toggles for each series., S&P 500 valuation dashboards: PE, Shiller CAPE (with FAQ), price‑to‑sales, price‑to‑book, earnings yield., and Macro breadth: CPI & inflation rate; GDP (real & nominal), growth rates, real GDP per‑capita; US Treasury tenors (1M–30Y) and real yields..

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