InsideArbitrage adds Alerts, Acquisitions, Spin-offs, Buybacks & Authorizations, Institutional Data, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that Nasdaq.com skips.
VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Sunday, October 26, 2025
Head-to-head
InsideArbitrage vs Nasdaq.com comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
Nasdaq.com includes IPO, Financials, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, and Analyst Recommendations 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)..
Nasdaq.com is known for: Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..
Nasdaq.com offers mobile access, which InsideArbitrage skips.
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.
Categories
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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Nasdaq.com
nasdaq.com
Hands-on review
Nasdaq’s official portal for quotes, news, filings, calendars, and investor tools. Free users can access watchlists, portfolios, and market data, while premium Smart Portfolio (powered by TipRanks) adds broker syncing and advanced analytics. U.S. quotes stream in real time via Nasdaq Basic/NLS, though extended-hours data is typically shown with a 15-minute delay.
Categories
Platforms
WebMobile
Pricing
FreeSubscription
Quick highlights
- Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
- Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
- Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
- Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
- Comprehensive calendars covering dividends, earnings, IPOs, and economic events.
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Overlap
Shared focus areas
9 overlapsMutual strengths include News, Calendar, and Dividends plus 6 more areas.
Where they differ
InsideArbitrage
Distinct strengths include:
AlertsAcquisitionsSpin-offsBuybacks & AuthorizationsInstitutional Data13D/13GRegulatory Filings MonitoringData Visualizations
- 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.
Nasdaq.com
Distinct strengths include:
- Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
- Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
- Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
- Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
Feature-by-feature breakdown
| Attribute | InsideArbitrage | Nasdaq.com |
|---|---|---|
Categories Which research workflows each platform targets | Shared: News, Calendar, Dividends, Splits, Insider Data, 13F, Screeners, Portfolio, Watchlist Unique: Alerts, Acquisitions, Spin-offs, Buybacks & Authorizations, Institutional Data, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation | Shared: News, Calendar, Dividends, Splits, Insider Data, 13F, Screeners, Portfolio, Watchlist Unique: IPO, Financials, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, Analyst Recommendations |
Asset types Supported asset classes and universes | Stocks, ETFs | Stocks, ETFs, Mutual Funds, Options, Cryptos, Currencies |
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
| Unique
|
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 Nasdaq.com both support?
Both platforms cover News, Calendar, Dividends, Splits, Insider Data, 13F, Screeners, Portfolio, and Watchlist workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do InsideArbitrage and Nasdaq.com require subscriptions?
Both InsideArbitrage and Nasdaq.com keep freemium access with optional paid upgrades, so you can trial each platform before committing.
Which tool has mobile access?
Nasdaq.com 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 Nasdaq.com stands out for Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..
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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.