VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 26, 2025

View InsideArbitrage View Stock Spinoff Investing Home My Collections

Head-to-head

InsideArbitrage vs Stock Spinoff Investing comparison

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

Quick takeaways

InsideArbitrage adds News, Alerts, Acquisitions, Buybacks & Authorizations, Dividends, Splits, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Watchlist, Playbooks & Case Studies, and PDF Annotation coverage that Stock Spinoff Investing skips.

Stock Spinoff Investing includes Stock Ideas 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)..

Stock Spinoff Investing is known for: Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off., Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A., and Community: members‑only **Discord** for discussion and Q&A with the author..

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.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Stock Spinoff Investing

stockspinoffinvesting.com

Research and newsletter service focused on stock spin‑offs and related special situations. Public **Upcoming** and **Completed** spin‑off calendars; paid tiers deliver monthly deep‑dive ideas, weekly updates, live Q&A calls, and a members‑only Discord. Primary focus is U.S. spin‑offs with selective international coverage.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off.
Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A.
Community: members‑only **Discord** for discussion and Q&A with the author.
PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations.
Special situations occasionally covered (e.g., **odd‑lot** split‑off trades).

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Overlap

Shared focus areas

5 overlaps

Mutual strengths include Calendar, Spin-offs, and Blogs plus 2 more areas.

Where they differ

InsideArbitrage

Distinct strengths include:

News Alerts Acquisitions Buybacks & Authorizations Dividends Splits Insider Data Institutional Data

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.

Stock Spinoff Investing

Distinct strengths include:

Stock Ideas

Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off.
Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A.
Community: members‑only **Discord** for discussion and Q&A with the author.
PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations.

Feature-by-feature breakdown

Attribute	InsideArbitrage	Stock Spinoff Investing
Categories Which research workflows each platform targets	Shared: Calendar, Spin-offs, Blogs, Newsletters, Videos Unique: News, Alerts, Acquisitions, Buybacks & Authorizations, Dividends, Splits, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Watchlist, Playbooks & Case Studies, PDF Annotation	Shared: Calendar, Spin-offs, Blogs, Newsletters, Videos Unique: Stock Ideas
Asset types Supported asset classes and universes	Stocks, ETFs	Stocks
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web
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 Spin‑off Calendar: Upcoming table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a Completed table with first‑day price, current price, and return since spin‑off. Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A. Community: members‑only Discord for discussion and Q&A with the author. PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations. Special situations occasionally covered (e.g., odd‑lot split‑off trades). Coverage emphasis: primarily U.S. spin‑offs with compelling international names included as warranted.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do InsideArbitrage and Stock Spinoff Investing both support?

Both platforms cover Calendar, Spin-offs, Blogs, Newsletters, and Videos workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do InsideArbitrage and Stock Spinoff Investing require subscriptions?

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

How can you access InsideArbitrage and Stock Spinoff Investing?

Both InsideArbitrage and Stock Spinoff Investing 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?

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 Stock Spinoff Investing stands out for Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off., Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A., and Community: members‑only **Discord** for discussion and Q&A with the author..

Keep exploring

Stay on top of related tools

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