VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Wednesday, December 3, 2025

Tool Comparison

InsideArbitrage vs OptionStrat 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, Dividends, Splits, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Watchlist, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that OptionStrat skips.

OptionStrat includes Options & Derivatives, US Government Trades, and Options categories that InsideArbitrage omits.

OptionStrat offers mobile access, which InsideArbitrage skips.

In depth comparison

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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OptionStrat

optionstrat.com

Options strategy builder and unusual flow scanner with plan-based feature tiers. The free plan provides delayed quotes and limited flow. Paid plans unlock real-time builder tools, full unusual flow with alerts, live news, and insider/Congress trades. Live data is available only for non-professional users, with a 7-day free trial on paid plans.

Platforms

WebMobile

Pricing

FreeSubscription

Quick highlights

Options strategy builder with profit calculators, chance of profit, net Greeks, and historical implied volatility (in real time on paid plans).
Strategy Optimizer searches thousands of trade setups by target price or date and ranks them by return or probability of profit.
Unusual options flow scanner detects multi-leg strategies (like spreads and condors), with saved filters, alerts, historical search, and performance tracking.
Plan tiers: Free includes 15-minute delayed data and about 10% of flow; Live Tools adds real-time builder and optimizer features; Live Flow adds real-time flow, alerts, insider and Congress trades, and live news.
Market events integrated directly into the builder, including earnings and ex-dividend dates.

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Where they differ

InsideArbitrage

Distinct strengths include:

Acquisitions Spin-offs Buybacks & Authorizations Dividends Splits Institutional Data 13F 13D/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.

OptionStrat

Distinct strengths include:

Options & Derivatives US Government Trades Options

Options strategy builder with profit calculators, chance of profit, net Greeks, and historical implied volatility (in real time on paid plans).
Strategy Optimizer searches thousands of trade setups by target price or date and ranks them by return or probability of profit.
Unusual options flow scanner detects multi-leg strategies (like spreads and condors), with saved filters, alerts, historical search, and performance tracking.
Plan tiers: Free includes 15-minute delayed data and about 10% of flow; Live Tools adds real-time builder and optimizer features; Live Flow adds real-time flow, alerts, insider and Congress trades, and live news.

Feature-by-feature breakdown

Attribute	InsideArbitrage	OptionStrat
Categories Which research workflows each platform targets	Shared: News, Alerts, Calendar, Insider Data Unique: Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, Splits, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Watchlist, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation	Shared: News, Alerts, Calendar, Insider Data Unique: Options & Derivatives, US Government Trades, Options
Asset types Supported asset classes and universes	Stocks, ETFs	Options, Stocks, Futures
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 Options strategy builder with profit calculators, chance of profit, net Greeks, and historical implied volatility (in real time on paid plans). Strategy Optimizer searches thousands of trade setups by target price or date and ranks them by return or probability of profit. Unusual options flow scanner detects multi-leg strategies (like spreads and condors), with saved filters, alerts, historical search, and performance tracking. Plan tiers: Free includes 15-minute delayed data and about 10% of flow; Live Tools adds real-time builder and optimizer features; Live Flow adds real-time flow, alerts, insider and Congress trades, and live news. Market events integrated directly into the builder, including earnings and ex-dividend dates. Futures flow included with coverage of contracts like ES, GC, BTC, and 6E (data delayed ~15 minutes).
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 OptionStrat both support?

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

Do InsideArbitrage and OptionStrat require subscriptions?

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

Which tool has mobile access?

OptionStrat 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 OptionStrat stands out for Options strategy builder with profit calculators, chance of profit, net Greeks, and historical implied volatility (in real time on paid plans)., Strategy Optimizer searches thousands of trade setups by target price or date and ranks them by return or probability of profit., and Unusual options flow scanner detects multi-leg strategies (like spreads and condors), with saved filters, alerts, historical search, and performance tracking..

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