VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Wednesday, February 18, 2026

Tool Comparison

InsideArbitrage vs SEC API (sec-api.io) comparison

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

InsideArbitrage logo

InsideArbitrage

insidearbitrage.com

PricingFree, Subscription
PlatformsWeb
SEC API (sec-api.io) logo

SEC API (sec-api.io)

sec-api.io

PricingFree, Subscription
PlatformsWeb, API
Editor's pickHands-on review
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
InsideArbitrageWeb
SEC API (sec-api.io)Web, API
Categories
InsideArbitrage23
SEC API (sec-api.io)9
Pricing details

Tool

InsideArbitrage

$100/mo

Starting price

Free tierNo
Free trial

Plans & pricing

Premium – Monthly$150/mo
Premium – Annual$100/mo
IA Professional (4 seats)$375/mo

Tool

SEC API (sec-api.io)

$55/mo

Starting price

Free tierYes
Free trial

Plans & pricing

Free TierFree
Personal & Startups$55/mo
Business (Internal Use)$239/mo
Enterprise & InstitutionsSubscription
Category leaders
ScreenersInsideArbitrage
PortfolioInsideArbitrage
WatchlistInsideArbitrage
NewsInsideArbitrage
AlertsInsideArbitrage
DividendsInsideArbitrage
FinancialsSEC API (sec-api.io)
Data VisualizationsInsideArbitrage
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Platform details

AttributeInsideArbitrageSEC API (sec-api.io)
Asset types
StocksETFs
StocksETFsMutual FundsFunds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North America
Data freshness
Real-timeEnd of Day
Real-time
API access
Not specified
RESTWebSocket
Export formats
Not specified
JSONPDF

Coverage overlap

Shared categories4

Categories where both tools offer overlapping coverage.

Frequently Asked Questions

What's the difference between InsideArbitrage and SEC API (sec-api.io)?

InsideArbitrage focuses on News, Alerts, and Calendar while SEC API (sec-api.io) specializes in Data APIs, Regulatory Filings Monitoring, and Insider Data. They overlap in 4 categories, so choose based on your preferred workflow and pricing.

How much do InsideArbitrage and SEC API (sec-api.io) cost?

Good news—both InsideArbitrage and SEC API (sec-api.io) offer free plans. You can try each platform without commitment and only pay when you need premium features.

Does InsideArbitrage or SEC API (sec-api.io) have an API?

SEC API (sec-api.io) provides API access for programmatic data retrieval and custom integrations. InsideArbitrage doesn't currently offer an API, so you'll need to use their web interface.

Should I choose InsideArbitrage or SEC API (sec-api.io)?

Choose InsideArbitrage if you need Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., and Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.. Go with SEC API (sec-api.io) if 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., and 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). better fits how you invest.

What asset classes do InsideArbitrage and SEC API (sec-api.io) cover?

Both cover Stocks, and ETFs. SEC API (sec-api.io) adds coverage for Mutual Funds, and Funds.

Do InsideArbitrage and SEC API (sec-api.io) offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Which has a better stock screener—InsideArbitrage or SEC API (sec-api.io)?

InsideArbitrage includes a stock screener for finding investment ideas. SEC API (sec-api.io) focuses on other analytical tools.

Can I track my portfolio with InsideArbitrage or SEC API (sec-api.io)?

InsideArbitrage offers portfolio tracking features. SEC API (sec-api.io) is more focused on research and analysis.

Keep Exploring

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.