VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Wednesday, November 19, 2025

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Tool Comparison

Digrin vs InsideArbitrage comparison

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

Quick takeaways

Digrin adds Financials, Broker Connectors, and Dividend Tax / ADR Withholding coverage that InsideArbitrage skips.

InsideArbitrage includes News, Alerts, Acquisitions, Spin-offs, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation categories that Digrin omits.

In depth comparison

Digrin

digrin.com

Editor’s pick Hands-on review

Dividend-focused web portfolio tracker and screener. Includes IBKR sync (daily for all users, on-demand for Supporter tier), dividend and earnings calendars with iCal export, CSV transaction export, and support for splits and DRIPs. Plan limits apply on portfolios, transactions, and historical horizons.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

Dividend-oriented portfolio tracker with stock screener, watchlists, ex-dividend views, and curated stock lists.
Plan limits: Basic supports up to 3 portfolios and 50 transactions per month; Supporter tier expands to 20 portfolios, 1000 monthly transactions, extended history, and more stats/heatmaps.
Interactive Brokers integration via Flex token: daily sync for all users, with Supporter tier enabling on-demand refreshes every ~5 minutes. Sync window is 15:00–16:00 UTC; Flex limited to 365 days of history.
Data import supported via CSV/XLSX uploads or manual entry, with duplicate detection and ISIN fallback matching.
Automatic handling of stock splits; DRIP settings configurable per dividend. Spin-offs and ticker changes must be managed manually.

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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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Where they differ

Digrin

Distinct strengths include:

Financials Broker Connectors Dividend Tax / ADR Withholding

Dividend-oriented portfolio tracker with stock screener, watchlists, ex-dividend views, and curated stock lists.
Plan limits: Basic supports up to 3 portfolios and 50 transactions per month; Supporter tier expands to 20 portfolios, 1000 monthly transactions, extended history, and more stats/heatmaps.
Interactive Brokers integration via Flex token: daily sync for all users, with Supporter tier enabling on-demand refreshes every ~5 minutes. Sync window is 15:00–16:00 UTC; Flex limited to 365 days of history.
Data import supported via CSV/XLSX uploads or manual entry, with duplicate detection and ISIN fallback matching.

InsideArbitrage

Distinct strengths include:

News Alerts Acquisitions Spin-offs Buybacks & Authorizations Insider Data Institutional Data 13F

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

Attribute	Digrin	InsideArbitrage
Categories Which research workflows each platform targets	Shared: Portfolio, Watchlist, Screeners, Dividends, Splits, Calendar Unique: Financials, Broker Connectors, Dividend Tax / ADR Withholding	Shared: Portfolio, Watchlist, Screeners, Dividends, Splits, Calendar Unique: News, Alerts, Acquisitions, Spin-offs, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation
Asset types Supported asset classes and universes	Stocks, ETFs, Closed-End Funds	Stocks, ETFs
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 Dividend-oriented portfolio tracker with stock screener, watchlists, ex-dividend views, and curated stock lists. Plan limits: Basic supports up to 3 portfolios and 50 transactions per month; Supporter tier expands to 20 portfolios, 1000 monthly transactions, extended history, and more stats/heatmaps. Interactive Brokers integration via Flex token: daily sync for all users, with Supporter tier enabling on-demand refreshes every ~5 minutes. Sync window is 15:00–16:00 UTC; Flex limited to 365 days of history. Data import supported via CSV/XLSX uploads or manual entry, with duplicate detection and ISIN fallback matching. Automatic handling of stock splits; DRIP settings configurable per dividend. Spin-offs and ticker changes must be managed manually. Performance metrics include XIRR, simple gain, and realized/unrealized gain.	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 Digrin and InsideArbitrage both support?

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

Do Digrin and InsideArbitrage require subscriptions?

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

How can you access Digrin and InsideArbitrage?

Both Digrin 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?

Digrin differentiates itself with Dividend-oriented portfolio tracker with stock screener, watchlists, ex-dividend views, and curated stock lists., Plan limits: Basic supports up to 3 portfolios and 50 transactions per month; Supporter tier expands to 20 portfolios, 1000 monthly transactions, extended history, and more stats/heatmaps., and Interactive Brokers integration via Flex token: daily sync for all users, with Supporter tier enabling on-demand refreshes every ~5 minutes. Sync window is 15:00–16:00 UTC; Flex limited to 365 days of history., 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)..

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