ETF Insider adds ETF Overview, ETF Performance, ETF Holdings, ETF Factors, ETF Overlap, ETF Screeners, Portfolio, Correlation, and Blogs coverage that Open Payments (CMS) skips.
VOL. XCIV, NO. 247
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Sunday, October 19, 2025
Head-to-head
ETF Insider vs Open Payments (CMS) comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
Open Payments (CMS) includes Data APIs, and Regulatory Filings Monitoring categories that ETF Insider omits.
ETF Insider highlights: Holdings look‑through & overlap: visualize shared constituents across funds to surface concentration risk and duplication., Correlation matrix across portfolio assets; efficient‑frontier visualization with Sharpe‑ratio context., and Sankey diagrams, drill‑downs by asset class, sector, geography and exchange; customizable visualizations..
Open Payments (CMS) is known for: Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., Web search/explorer with filtering and charts; program year downloads available from the portal., and Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style)..
ETF Insider
etfinsider.co
Editor’s pick Hands-on review
ETF & mutual fund overlap/correlation and portfolio visualization tool featuring Sankey look‑through, correlation matrices, and efficient‑frontier (Sharpe) views. Free tier allows up to 4 saved portfolios and limited full‑holdings visibility; Pro ($14/mo) unlocks unlimited portfolios, full holdings depth, and Excel export. Enterprise adds a financial data API, custom reports/visualizations, and white‑label options. Coverage explicitly includes **US‑listed ETFs & mutual funds**; equities coverage is described as **international** on pricing, but the FAQ states non‑US assets not listed in the US are not supported (current constraint). Holdings are sourced primarily from SEC EDGAR and refreshed on a quarterly cadence based on filings; data may be delayed per exchanges/providers.
Categories
Platforms
Web
API
Pricing
Free
Subscription
Quick highlights
- Holdings look‑through & overlap: visualize shared constituents across funds to surface concentration risk and duplication.
- Correlation matrix across portfolio assets; efficient‑frontier visualization with Sharpe‑ratio context.
- Sankey diagrams, drill‑downs by asset class, sector, geography and exchange; customizable visualizations.
- ETF screener (filters by asset class, geography, theme, provider, sector) and performance & info panels.
- Portfolio tooling: save portfolios (4 on Free; unlimited on Pro), CSV upload (Symbol, Quantity).
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Open Payments (CMS)
openpaymentsdata.cms.gov
U.S. federal open‑data program (Affordable Care Act ‘Sunshine Act’) that publishes financial relationships between drug/device manufacturers (and GPOs) and healthcare providers (physicians, NPPs since PY2021, and teaching hospitals). CMS publishes the prior program year’s full datasets on or before June 30 each year and issues a January refresh. Data are accessible via the web search tool, bulk downloads, and a REST Open Data API (filter, query, aggregate).
Platforms
Web
API
Pricing
Free
Quick highlights
- Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests.
- Web search/explorer with filtering and charts; program year downloads available from the portal.
- Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style).
- Publication cadence: initial annual publication on/around June 30 for the prior year, plus a January data refresh.
- Pre‑publication workflow: 45‑day recipient review & dispute (Apr 1–May 15) + 15‑day correction window (May 16–May 30).
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Overlap
Shared focus areas
2 overlapsMutual strengths include Data Visualizations, and APIs & SDKs.
Where they differ
ETF Insider
Distinct strengths include:
- Holdings look‑through & overlap: visualize shared constituents across funds to surface concentration risk and duplication.
- Correlation matrix across portfolio assets; efficient‑frontier visualization with Sharpe‑ratio context.
- Sankey diagrams, drill‑downs by asset class, sector, geography and exchange; customizable visualizations.
- ETF screener (filters by asset class, geography, theme, provider, sector) and performance & info panels.
Open Payments (CMS)
Distinct strengths include:
- Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests.
- Web search/explorer with filtering and charts; program year downloads available from the portal.
- Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style).
- Publication cadence: initial annual publication on/around June 30 for the prior year, plus a January data refresh.
Feature-by-feature breakdown
| Attribute | ETF Insider | Open Payments (CMS) |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Data Visualizations, APIs & SDKs Unique: ETF Overview, ETF Performance, ETF Holdings, ETF Factors, ETF Overlap, ETF Screeners, Portfolio, Correlation, Blogs | Shared: Data Visualizations, APIs & SDKs Unique: Data APIs, Regulatory Filings Monitoring |
Asset types Supported asset classes and universes | ETFs, Mutual Funds, Stocks | 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, API |
Pricing High-level pricing models | Free, Subscription | Free |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Yes | Not yet |
Editor pick Featured inside curated shortlists | Highlighted | Standard listing |
Frequently Asked Questions
Which workflows do ETF Insider and Open Payments (CMS) both support?
Both platforms cover Data Visualizations, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do ETF Insider and Open Payments (CMS) require subscriptions?
Both ETF Insider and Open Payments (CMS) keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access ETF Insider and Open Payments (CMS)?
Both ETF Insider and Open Payments (CMS) 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?
ETF Insider differentiates itself with Holdings look‑through & overlap: visualize shared constituents across funds to surface concentration risk and duplication., Correlation matrix across portfolio assets; efficient‑frontier visualization with Sharpe‑ratio context., and Sankey diagrams, drill‑downs by asset class, sector, geography and exchange; customizable visualizations., whereas Open Payments (CMS) stands out for Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., Web search/explorer with filtering and charts; program year downloads available from the portal., and Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style)..
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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.