VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 26, 2025

Head-to-head

InsideArbitrage vs Yahoo Finance comparison

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

Quick takeaways

InsideArbitrage adds Acquisitions, Spin-offs, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that Yahoo Finance skips.

Yahoo Finance includes Financials, Analyst Recommendations, Analyst Price Targets, ETF Overview, ETF Holdings, ETF Performance, Options, and Education categories that InsideArbitrage omits.

InsideArbitrage 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., and Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks)..

Yahoo Finance is known for: Free plan with optional Silver and Gold subscriptions that unlock advanced features and research., Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free., and Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data..

Yahoo Finance offers mobile access, which InsideArbitrage skips.

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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Yahoo Finance logo

Yahoo Finance

finance.yahoo.com

Hands-on review

One of the most widely used finance portals, offering global market coverage, news, screeners, and portfolio tools. A free plan provides core features, while paid Silver and Gold tiers add extras such as research, enhanced filters, and historical data downloads. Real-time vs delayed quotes vary by exchange, and mobile apps support price alerts and personalized news.

Platforms

WebMobile

Pricing

FreeSubscription

Quick highlights

  • Free plan with optional Silver and Gold subscriptions that unlock advanced features and research.
  • Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free.
  • Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data.
  • Interactive full-screen charts with dozens of technical indicators and extended-hours toggles.
  • Equity, ETF, and mutual fund screeners with hundreds of filters; Plus tiers add premium filters such as Morningstar ratings.

Community votes (overall)

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Overlap

Shared focus areas

9 overlaps

Mutual strengths include News, Alerts, and Calendar plus 6 more areas.

Where they differ

InsideArbitrage

Distinct strengths include:

  • 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.

Yahoo Finance

Distinct strengths include:

  • Free plan with optional Silver and Gold subscriptions that unlock advanced features and research.
  • Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free.
  • Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data.
  • Interactive full-screen charts with dozens of technical indicators and extended-hours toggles.

Feature-by-feature breakdown

AttributeInsideArbitrageYahoo Finance
Categories

Which research workflows each platform targets

Shared: News, Alerts, Calendar, Dividends, Splits, Screeners, Data Visualizations, Portfolio, Watchlist

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

Shared: News, Alerts, Calendar, Dividends, Splits, Screeners, Data Visualizations, Portfolio, Watchlist

Unique: Financials, Analyst Recommendations, Analyst Price Targets, ETF Overview, ETF Holdings, ETF Performance, Options, Education

Asset types

Supported asset classes and universes

Stocks, ETFs

Stocks, ETFs, Mutual Funds, Options, Futures, Commodities, Currencies, Cryptos, Bonds

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web, Mobile

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

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.

Unique

  • Free plan with optional Silver and Gold subscriptions that unlock advanced features and research.
  • Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free.
  • Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data.
  • Interactive full-screen charts with dozens of technical indicators and extended-hours toggles.
  • Equity, ETF, and mutual fund screeners with hundreds of filters; Plus tiers add premium filters such as Morningstar ratings.
  • Portfolio tracking with editable lots and transaction history; certain brokerages can be linked for automatic holdings sync.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do InsideArbitrage and Yahoo Finance both support?

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

Do InsideArbitrage and Yahoo Finance require subscriptions?

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

Which tool has mobile access?

Yahoo Finance ships a dedicated mobile experience, while InsideArbitrage focuses on web or desktop access.

What unique strengths set the two platforms apart?

InsideArbitrage differentiates itself with 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)., whereas Yahoo Finance stands out for Free plan with optional Silver and Gold subscriptions that unlock advanced features and research., Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free., and Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data..

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.