MarketWatch adds News, Alerts, Calendar, Screeners, Data Visualizations, Watchlist, Paper Trading, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Short Interest, Interest Rates, Yield Curves, and Newsletters coverage that SEC API (sec-api.io) skips.
VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Sunday, October 5, 2025
Head-to-head
MarketWatch vs SEC API (sec-api.io) comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
SEC API (sec-api.io) includes Data APIs, Regulatory Filings Monitoring, 13F, 13D/13G, Management Compensation, and APIs & SDKs categories that MarketWatch omits.
MarketWatch highlights: Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., and Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates..
SEC API (sec-api.io) is known for: Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings., Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN)., and Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares..
MarketWatch ships a mobile app. SEC API (sec-api.io) is web/desktop only.
MarketWatch
marketwatch.com
Hands-on review
A global financial-news portal from Dow Jones that combines market data, news, analysis, and investor tools. Real-time Nasdaq last-sale quotes are included, while most other intraday prices run on a standard 15-minute delay. Premium newsletters and in-depth articles are gated behind a subscription. Mobile apps extend the experience with push alerts and watchlist syncing.
Categories
Platforms
Web
Mobile
Pricing
Free
Subscription
Quick highlights
- Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
- Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
- Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
- BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
- Options coverage with full chains per symbol and an expiration calendar.
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SEC API (sec-api.io)
sec-api.io
Editor’s pick Hands-on review
A commercial API suite for SEC/EDGAR data, designed for developers, quants, and compliance teams. The free tier includes 100 calls per month. Paid tiers unlock higher rate limits, more data (5 GB vs 15 GB monthly, with $0.30/GB overage), and features such as multiple API keys or redistribution rights for enterprise users. The platform emphasizes speed, with new filings typically available in under 300 ms.
Categories
Platforms
Web
API
Pricing
Free
Subscription
Quick highlights
- Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings.
- Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN).
- Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
- Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.
- Live filing feeds available in real time via WebSocket for instant integration.
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Overlap
Shared focus areas
3 overlapsMutual strengths include Financials, Insider Data, and IPO.
Where they differ
MarketWatch
Distinct strengths include:
- Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
- Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
- Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
- BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
SEC API (sec-api.io)
Distinct strengths include:
- Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings.
- Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN).
- Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
- Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.
Feature-by-feature breakdown
| Attribute | MarketWatch | SEC API (sec-api.io) |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Financials, Insider Data, IPO Unique: News, Alerts, Calendar, Screeners, Data Visualizations, Watchlist, Paper Trading, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Short Interest, Interest Rates, Yield Curves, Newsletters | Shared: Financials, Insider Data, IPO Unique: Data APIs, Regulatory Filings Monitoring, 13F, 13D/13G, Management Compensation, APIs & SDKs |
Asset types Supported asset classes and universes | Stocks, ETFs, Mutual Funds, Options, Futures, Commodities, Currencies, Cryptos, Bonds | Stocks, ETFs, Mutual Funds, Funds |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, Mobile | Web, API |
Pricing High-level pricing models | Free, Subscription | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Yes | Yes |
Editor pick Featured inside curated shortlists | Standard listing | Highlighted |
Frequently Asked Questions
Which workflows do MarketWatch and SEC API (sec-api.io) both support?
Both platforms cover Financials, Insider Data, and IPO workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do MarketWatch and SEC API (sec-api.io) require subscriptions?
Both MarketWatch and SEC API (sec-api.io) keep freemium access with optional paid upgrades, so you can trial each platform before committing.
Which tool has mobile access?
MarketWatch ships a dedicated mobile experience, while SEC API (sec-api.io) focuses on web or desktop access.
What unique strengths set the two platforms apart?
MarketWatch differentiates itself with Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., and Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates., whereas SEC API (sec-api.io) stands out for Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings., Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN)., and Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares..
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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.