VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Nasdaq.com View SEC API (sec-api.io)Back to Home

Head-to-head

Nasdaq.com vs SEC API (sec-api.io) comparison

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

Quick takeaways

Nasdaq.com adds Screeners, Portfolio, Watchlist, News, Calendar, Dividends, Splits, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, and Analyst Recommendations coverage that SEC API (sec-api.io) skips.

SEC API (sec-api.io) includes Data APIs, Regulatory Filings Monitoring, 13D/13G, Management Compensation, and APIs & SDKs categories that Nasdaq.com omits.

Nasdaq.com highlights: Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..

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..

Nasdaq.com ships a mobile app. SEC API (sec-api.io) is web/desktop only.

Nasdaq.com

nasdaq.com

Hands-on review

Nasdaq’s official portal for quotes, news, filings, calendars, and investor tools. Free users can access watchlists, portfolios, and market data, while premium Smart Portfolio (powered by TipRanks) adds broker syncing and advanced analytics. U.S. quotes stream in real time via Nasdaq Basic/NLS, though extended-hours data is typically shown with a 15-minute delay.

Platforms

Web

Mobile

Pricing

Free

Subscription

Quick highlights

Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
Comprehensive calendars covering dividends, earnings, IPOs, and economic events.

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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.

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

4 overlaps

Mutual strengths include IPO, Financials, and Insider Data plus 1 more area.

Where they differ

Nasdaq.com

Distinct strengths include:

Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
Dedicated pages for short interest, insider transactions, and institutional holdings (13F).

SEC API (sec-api.io)

Distinct strengths include:

Data APIs

Regulatory Filings Monitoring

13D/13G

Management Compensation

APIs & SDKs

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	Nasdaq.com	SEC API (sec-api.io)
Categories Which research workflows each platform targets	Shared: IPO, Financials, Insider Data, 13F Unique: Screeners, Portfolio, Watchlist, News, Calendar, Dividends, Splits, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, Analyst Recommendations	Shared: IPO, Financials, Insider Data, 13F Unique: Data APIs, Regulatory Filings Monitoring, 13D/13G, Management Compensation, APIs & SDKs
Asset types Supported asset classes and universes	Stocks, ETFs, Mutual Funds, Options, Cryptos, Currencies	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 Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link. Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics. Options chains enhanced with Greeks such as Delta, Gamma, and Vega. Dedicated pages for short interest, insider transactions, and institutional holdings (13F). Comprehensive calendars covering dividends, earnings, IPOs, and economic events. ETF pages include holdings tables and fund-level analytics.	Unique 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. XBRL-to-JSON service delivers standardized financial statements (income, balance sheet, cash flow) mapped to US GAAP items; dataset is survivorship-bias free.
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 Nasdaq.com and SEC API (sec-api.io) both support?

Both platforms cover IPO, Financials, Insider Data, and 13F workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Nasdaq.com and SEC API (sec-api.io) require subscriptions?

Both Nasdaq.com 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?

Nasdaq.com 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?

Nasdaq.com differentiates itself with Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega., 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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