VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 26, 2025

View FINVIZView InsideArbitrage Home My Collections

Head-to-head

FINVIZ vs InsideArbitrage comparison

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

Quick takeaways

FINVIZ adds Backtesting, Data APIs, Financials, ETF Overview, ETF Holdings, Short Interest, and Options coverage that InsideArbitrage skips.

InsideArbitrage includes Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, Splits, Institutional Data, 13D/13G, Regulatory Filings Monitoring, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation categories that FINVIZ omits.

FINVIZ highlights: Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users..

InsideArbitrage is known for: Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map., and Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks)..

FINVIZ logo

FINVIZ

finviz.com

Editor’s pick Hands-on review

A popular stock screener and charting platform best known for its heat maps, visualization tools, and simple interface. The Free tier is ad-supported with delayed U.S. market data, while FINVIZ Elite unlocks real-time quotes (including pre- and after-hours), intraday chart layouts, backtesting, ETF full-holdings, exports and APIs, alerts, and larger portfolio/watchlist limits. Coverage is U.S. equities only. Elite includes a 7-day free trial with no credit card required.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.
  • ETF research with full holdings breakdown, plus structural and performance metrics (Elite only).

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InsideArbitrage logo

InsideArbitrage

insidearbitrage.com

Event‑driven research platform by Asif Suria focused on merger arbitrage, insider transactions, spinoffs, buybacks, activists, and related special situations. Premium includes tools like the Merger Arbitrage Tool, CVR database, buyback & spinoff trackers, premium screens (IA Score, cluster buys, ‘double dipper’), ‘Deals‑in‑the‑Works’ and deal calendars. IA Professional adds pro‑only features (e.g., CVR outcomes, activist tracker, reverse‑splits tracker, Insider Performance Score) and multi‑seat licensing.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

  • Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
  • Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
  • Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
  • Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.
  • Gurus/Institutional holdings pages aggregating 13F/13D/13G and Form 4 into manager dashboards.

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Overlap

Shared focus areas

8 overlaps

Mutual strengths include Screeners, Data Visualizations, and Portfolio plus 5 more areas.

Where they differ

FINVIZ

Distinct strengths include:

BacktestingData APIsFinancialsETF OverviewETF HoldingsShort InterestOptions
  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.

InsideArbitrage

Distinct strengths include:

CalendarAcquisitionsSpin-offsBuybacks & AuthorizationsDividendsSplitsInstitutional Data13D/13G
  • Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
  • Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
  • Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
  • Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.

Feature-by-feature breakdown

AttributeFINVIZInsideArbitrage
Categories

Which research workflows each platform targets

Shared: Screeners, Data Visualizations, Portfolio, Watchlist, News, Alerts, Insider Data, 13F

Unique: Backtesting, Data APIs, Financials, ETF Overview, ETF Holdings, Short Interest, Options

Shared: Screeners, Data Visualizations, Portfolio, Watchlist, News, Alerts, Insider Data, 13F

Unique: Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, Splits, Institutional Data, 13D/13G, Regulatory Filings Monitoring, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation

Asset types

Supported asset classes and universes

Stocks, ETFs, Options, Futures, Currencies, Cryptos

Stocks, ETFs

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.
  • ETF research with full holdings breakdown, plus structural and performance metrics (Elite only).
  • Exports and APIs for Screener, Portfolios, Groups, Options Chains, and News; sample code available for Google Sheets, Python, and JavaScript (Elite).

Unique

  • Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
  • Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
  • Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
  • Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.
  • Gurus/Institutional holdings pages aggregating 13F/13D/13G and Form 4 into manager dashboards.
  • Event‑driven monitor & M&A news feed; earnings calendar; tender‑offers tracker; activist‑campaign tracker; C‑suite transitions tool.
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 FINVIZ and InsideArbitrage both support?

Both platforms cover Screeners, Data Visualizations, Portfolio, Watchlist, News, Alerts, Insider Data, and 13F workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do FINVIZ and InsideArbitrage require subscriptions?

Both FINVIZ and InsideArbitrage keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access FINVIZ and InsideArbitrage?

Both FINVIZ and InsideArbitrage 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?

FINVIZ differentiates itself with Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users., whereas InsideArbitrage stands out for Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map., and Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks)..

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

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.