VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS ★

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Friday, December 12, 2025

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Tool Comparison

Insider Monitor vs MarketWatch comparison

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

Quick takeaways

Insider Monitor adds Regulatory Filings Monitoring coverage that MarketWatch skips.

MarketWatch includes News, Alerts, Calendar, Screeners, Data Visualizations, Watchlist, Paper Trading, Financials, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Short Interest, Interest Rates, Yield Curves, IPO, and Newsletters categories that Insider Monitor omits.

MarketWatch offers mobile access, which Insider Monitor skips.

In depth comparison

Insider Monitor

insider-monitor.com

Free, U.S.-focused insider‑trading tracker centered on SEC Forms 3/4/5. Provides near‑real‑time (‘minutes or seconds’ after filing) feeds of insider purchases/sales, weekly/monthly Top‑10 lists, and “officer cluster buys” over the past two weeks. Includes company and trader pages with CIK cross‑references and direct links to the SEC for each transaction. No login, alerts, or API are advertised; this is a lightweight, public reference site.

Platforms

Web

Pricing

Free

Quick highlights

Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.
Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.

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MarketWatch

marketwatch.com

Hands-on review

A global financial-news portal from Dow Jones that combines market data, news, analysis, and investor tools. Real-time Nasdaq last-sale quotes are included, while most other intraday prices run on a standard 15-minute delay. Premium newsletters and in-depth articles are gated behind a subscription. Mobile apps extend the experience with push alerts and watchlist syncing.

Platforms

WebMobile

Pricing

FreeSubscription

Quick highlights

Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
Options coverage with full chains per symbol and an expiration calendar.

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Where they differ

Insider Monitor

Distinct strengths include:

Regulatory Filings Monitoring

Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.

MarketWatch

Distinct strengths include:

News Alerts Calendar Screeners Data Visualizations Watchlist Paper Trading Financials

Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.

Feature-by-feature breakdown

Attribute	Insider Monitor	MarketWatch
Categories Which research workflows each platform targets	Shared: Insider Data Unique: Regulatory Filings Monitoring	Shared: Insider Data Unique: News, Alerts, Calendar, Screeners, Data Visualizations, Watchlist, Paper Trading, Financials, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Short Interest, Interest Rates, Yield Curves, IPO, Newsletters
Asset types Supported asset classes and universes	Stocks, Closed-End Funds	Stocks, ETFs, Mutual Funds, Options, Futures, Commodities, Currencies, Cryptos, Bonds
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	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day. Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks. Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases. Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020. Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.	Unique Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools. Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts. Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates. BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes. Options coverage with full chains per symbol and an expiration calendar. ETF and mutual fund research, including top holdings for flagship funds like SPY and a comparison tool for side-by-side analysis.
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 Insider Monitor and MarketWatch both support?

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

Do Insider Monitor and MarketWatch require subscriptions?

Both Insider Monitor and MarketWatch keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

MarketWatch ships a dedicated mobile experience, while Insider Monitor focuses on web or desktop access.

What unique strengths set the two platforms apart?

Insider Monitor differentiates itself with Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day., Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks., and Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases., whereas MarketWatch stands out for Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., and Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates..

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