VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, December 8, 2025

Tool Comparison

InsideArbitrage vs SpotGamma comparison

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

Quick takeaways

InsideArbitrage adds News, Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, Splits, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Portfolio, Watchlist, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that SpotGamma skips.

SpotGamma includes Options & Derivatives, and Courses & Certs categories that InsideArbitrage omits.

InsideArbitrage has a free tier, while SpotGamma requires a paid plan.

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.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

SpotGamma

spotgamma.com

Options‑market microstructure & dealer‑positioning analytics. Core modules: Equity Hub (key levels for 3,500+ US stocks/ETFs), HIRO real‑time options‑flow indicator (down‑to‑the‑second), an S&P 500 heatmap (TRACE), a Volatility Dashboard, FlowPatrol unusual flow insights, plus Compass & Scanners for setups. Widely used by intraday/index traders; integrates with TradingView, Bookmap, NinjaTrader, Sierra Chart, Thinkorswim, and more. No public API disclosed.

Platforms

Web

Pricing

Subscription

Quick highlights

HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.
0DTE volume/open‑interest indicator; delta, vanna & gamma modeling for indices.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Where they differ

InsideArbitrage

Distinct strengths include:

News Calendar Acquisitions Spin-offs Buybacks & Authorizations Dividends Splits Insider 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.

SpotGamma

Distinct strengths include:

Options & Derivatives Courses & Certs

HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.

Feature-by-feature breakdown

Attribute	InsideArbitrage	SpotGamma
Categories Which research workflows each platform targets	Shared: Alerts, Screeners, Data Visualizations, Blogs Unique: News, Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, Splits, Insider Data, Institutional Data, 13F, 13D/13G, Regulatory Filings Monitoring, Portfolio, Watchlist, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation	Shared: Alerts, Screeners, Data Visualizations, Blogs Unique: Options & Derivatives, Courses & Certs
Asset types Supported asset classes and universes	Stocks, ETFs	Stocks, ETFs, Options
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web	Web
Pricing High-level pricing models	Free, Subscription	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 HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second. Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices. Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing. TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones. 0DTE volume/open‑interest indicator; delta, vanna & gamma modeling for indices. Compass & Scanners: directional + volatility signals; daily names‑to‑watch.
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 SpotGamma both support?

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

Which tool offers a free plan?

InsideArbitrage offers a free entry point, while SpotGamma requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access InsideArbitrage and SpotGamma?

Both InsideArbitrage and SpotGamma 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 SpotGamma stands out for HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second., Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices., and Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing..

Keep exploring

Stay on top of related tools

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