★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: ECB Data Portal checked May 2, 2026
Tool Comparison
ECB Data Portal vs Marketlog
ECB Data Portal
Best for APIs & data feeds and yield curves
Free
Marketlog
Best for portfolio and watchlist
Free • From $79.99/yr
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
ECB Data Portal and Marketlog cover a lot of the same ground (2 shared categories, data visualizations and macro data), so for the basics you won't go far wrong with either. Marketlog simply does more: 18 categories to ECB Data Portal's 5, including portfolio, watchlist, and institutional ownership, plus a mobile app. ECB Data Portal counters by being completely free.
Key differences at a glance
- Mobile app
- Marketlog
- Free trial
- Marketlog7 days
- Broader coverage
- Marketlog18 vs 5 categories
- API access
- ECB Data Portal
- Real-time data
- Marketlog
- Asset coverage
- MarketlogAdds stocks and ETFs
Choose
ECB Data Portal if…
- You want an API so you can script or automate things
- You care about APIs & data feeds, yield curves, and official sources, things Marketlog doesn't offer
Choose
Marketlog if…
- You do a lot of your research from your phone
- Delayed quotes won't cut it; you need real-time data
- You care about portfolio, watchlist, and institutional ownership, things ECB Data Portal doesn't offer
- You trade often and need tooling built for speed
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • From $79.99/yr |
Free tier | Yes | Yes |
Free trial | — | 7 days |
Plan limits | 5 limits: Free: data cart series max: 500, Free: search download csv max series: 500 +3 more | 19 limits: Free: portfolios: 1, Free: holdings: 12 +17 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | Yes | No |
Broker sync | — | Yes |
Integrations | — | Yodlee, Fidelity Investments +5 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Analysts, Quants/Developers +2 more | Retail Traders, Pro Retail +4 more |
Categories covered | 5 | 18 |
Regions | Europe | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | 5 signals: Latency: Real-time and End of Day, Granularity: Minute and EOD +3 more |
Data partners | — | Yodlee and Third-party data licensors |
Capabilities | Yield curves | 3 signals: Monte Carlo, Broker sync +1 more |
Security | — | Encryption at rest and Encryption in transit |
| Try it | Visit ECB Data Portal | Visit Marketlog |
Standout features
What ECB Data Portal does best
- ECB online delivery service with interactive charts/dashboards, powerful search & browsing, and access to publications/methodology; includes some national breakdowns and counterpart areas.
- ECB website states the ECB Data Portal “provides access to all official ECB statistics” and offers data downloads plus comprehensive dataset metadata.
- Main-figures topics include ECB interest rates & euro exchange rates, inflation, macro indicators (e.g., GDP and employment/unemployment), and financial market data such as euro area yield curves.
- Dataset listing notes a 4 February 2026 HICP methodology change: the current Indices of Consumer Prices (ICP) dataset was discontinued/replaced by a new HICP dataset to reflect Eurostat changes.
- Data cart: temporarily store time series while browsing/searching; no account required; emptied after your browser session; max 500 series stored at once.
What Marketlog does best
- All-in-one portfolio tracker for stocks/equities, ETFs, options, bonds, funds, currencies/forex, crypto, and indices, available through the Marketlog web app and iOS/Android mobile apps.
- Manual and automated portfolio tracking: users can enter transactions manually or connect supported brokerage/bank accounts through Marketlog's data provider; connected portfolios are usually fetched end-of-day and updated with live market data during market hours.
- Broker and bank connectivity for 2,000+ supported institutions; popular examples shown publicly include Fidelity, E*TRADE from Morgan Stanley, Vanguard, Schwab, Interactive Brokers, and Robinhood.
- Portfolio analytics include gains, drawdowns, returns over different periods, diversification, goals, target allocation, benchmarking, statistics, and daily/weekly portfolio email updates.
- Dividend tracker with automatic dividend tracking, dividend calendars, upcoming dividend/payment-date alerts, yield/payment-date notifications, and a marketed 150K+ symbol universe.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | BondsCurrenciesOther | StocksETFsOptionsBondsFundsCurrenciesCryptosOther |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | AnalystsQuants/DevelopersInstitutional InvestorsStudents/Researchers | Retail TradersPro RetailLong-term InvestorsDividend InvestorsDay TradersSwing Traders |
Regions | Europe | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Not specified | 26 countriesIdentifiers: Ticker and CUSIP |
| Data | ||
Data freshness | Not specified | Real-timeEnd of Day |
Data granularity | Not specified | MinuteEOD |
Pricing sources | Not specified | VendorManual |
Data partners | Not specified | YodleeThird-party data licensors |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: NoneDocs | Not specified |
Import methods | Not specified | BrokerOAuthManual |
Integrations | Not specified | YodleeFidelity InvestmentsE*TRADE from Morgan StanleyVanguardSchwabInteractive BrokersRobinhood |
Export formats | CSVExcelXMLJSONImagePDFPowerPoint | Image |
| Plans & trust | ||
Security & compliance | Not specified | Encryption at restEncryption in transit |
Capability signals | Yield curves | Monte CarloBroker syncMulti-currency |
Vendor & support | European Central Bank | Myfxbook Ltd.Country: IsraelSupport: Email |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
Free
Lower starting price
Plans & pricing
- data cart series max: 500
- search download csv max series: 500
- +3 more
$79.99/yr
Starting price
Plans & pricing
- portfolios: 1
- holdings: 12
- +3 more
- portfolios: 2
- holdings: Unlimited
- +2 more
- portfolios: 2
- holdings: Unlimited
- +2 more
- portfolios: 10
- holdings: Unlimited
- +1 more
- portfolios: 10
- holdings: Unlimited
- +1 more
Coverage overlap
Shared categories
2Where the two tools cover the same ground.
ECB Data Portal strengths
3What you only get with ECB Data Portal.
Marketlog strengths
16Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between ECB Data Portal and Marketlog?
ECB Data Portal leans toward APIs & data feeds, data visualizations, and macro data, while Marketlog puts more weight on portfolio, watchlist, and institutional ownership. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do ECB Data Portal and Marketlog cost?
Good news: both ECB Data Portal and Marketlog have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use ECB Data Portal or Marketlog on my phone?
Marketlog lists a dedicated mobile app, so it travels better. ECB Data Portal doesn't list a dedicated mobile app; its documented access is web and API.
Does ECB Data Portal or Marketlog have an API?
ECB Data Portal has an API for programmatic access and custom integrations. Marketlog doesn't, so you're working through its interface.
Should I choose ECB Data Portal or Marketlog?
It depends on what you're after. Pick ECB Data Portal if APIs & data feeds and yield curves matter to you; go with Marketlog if you'd rather have portfolio and watchlist. And if you only need the basics both share, let price decide.
What asset classes do ECB Data Portal and Marketlog cover?
Both cover bonds, currencies, and other. Marketlog adds stocks, ETFs, and options on top.
Does ECB Data Portal or Marketlog have real-time data?
Marketlog offers real-time data, which matters if you trade actively. ECB Data Portal runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from ECB Data Portal and Marketlog?
ECB Data Portal exports to CSV and Excel. Marketlog is stingier about getting data out.
Is ECB Data Portal or Marketlog better for day trading?
Marketlog is the one positioned more for active traders. ECB Data Portal is the better fit if you care less about fast trading workflows and more about a calmer research process.
Can I track my portfolio with ECB Data Portal or Marketlog?
Marketlog handles portfolio tracking. ECB Data Portal is really a research tool; you'd track your portfolio elsewhere.
Other tools you might like
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.