VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 26, 2025

View InsideArbitrageView Quiver Quantitative Home My Collections

Head-to-head

InsideArbitrage vs Quiver Quantitative comparison

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

Quick takeaways

InsideArbitrage adds Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Portfolio, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that Quiver Quantitative skips.

Quiver Quantitative includes Backtesting, US Government Trades, Investor Holdings, Reddit, Data APIs, Which ETF includes this Stock?, ETF Holdings, Patents / USPTO, and Dark Pool & Off-Exchange 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)..

Quiver Quantitative is known for: Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more., Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians., and Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time..

Quiver Quantitative offers mobile access, which InsideArbitrage skips.

InsideArbitrage logo

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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Quiver Quantitative logo

Quiver Quantitative

quiverquant.com

Hands-on review

Premium unlocks stock screeners, alerts, backtesters for Congress and institutional trades, strategy dashboards, Smart Score/Bull–Bear ratings, customizable watchlists, early access to news/videos, and data export samples. Copytrading is available through partner Quantbase. Premium runs $25/month or $300/year with a free trial (7 days on monthly, 30 days on annual). The Quiver API is sold separately under tiered plans (Hobbyist, Trader, Institution).

Platforms

WebMobileAPI

Pricing

FreeSubscription

Quick highlights

  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).
  • Strategy copytrading offered via Quantbase integration (Premium).

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Overlap

Shared focus areas

8 overlaps

Mutual strengths include News, Alerts, and Splits plus 5 more areas.

Where they differ

InsideArbitrage

Distinct strengths include:

CalendarAcquisitionsSpin-offsBuybacks & AuthorizationsDividends13D/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.

Quiver Quantitative

Distinct strengths include:

BacktestingUS Government TradesInvestor HoldingsRedditData APIsWhich ETF includes this Stock?ETF HoldingsPatents / USPTO
  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).

Feature-by-feature breakdown

AttributeInsideArbitrageQuiver Quantitative
Categories

Which research workflows each platform targets

Shared: News, Alerts, Splits, Insider Data, Institutional Data, 13F, Screeners, Watchlist

Unique: Calendar, Acquisitions, Spin-offs, Buybacks & Authorizations, Dividends, 13D/13G, Regulatory Filings Monitoring, Data Visualizations, Portfolio, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation

Shared: News, Alerts, Splits, Insider Data, Institutional Data, 13F, Screeners, Watchlist

Unique: Backtesting, US Government Trades, Investor Holdings, Reddit, Data APIs, Which ETF includes this Stock?, ETF Holdings, Patents / USPTO, Dark Pool & Off-Exchange

Asset types

Supported asset classes and universes

Stocks, ETFs

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, Mobile, API

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

  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).
  • Strategy copytrading offered via Quantbase integration (Premium).
  • Quiver API is a separate product with tiered pricing: Hobbyist ($10/month for Tier 1 data), Trader ($75/month for Tier 1 & 2), and Institution (custom). Comes with an official Python package.
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 Quiver Quantitative both support?

Both platforms cover News, Alerts, Splits, Insider Data, Institutional Data, 13F, Screeners, and Watchlist workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do InsideArbitrage and Quiver Quantitative require subscriptions?

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

Which tool has mobile access?

Quiver Quantitative 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 Quiver Quantitative stands out for Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more., Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians., and Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time..

Keep exploring

Stay on top of related tools

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

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.