VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, October 6, 2025

View OpenInsider View Unusual Whales Back to Home

Head-to-head

OpenInsider vs Unusual Whales comparison

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

Quick takeaways

OpenInsider adds Regulatory Filings Monitoring, and Data Visualizations coverage that Unusual Whales skips.

Unusual Whales includes Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, News, US Government Trades, 13F, APIs & SDKs, Data APIs, Education, Calendar, and Dividends categories that OpenInsider omits.

OpenInsider highlights: Real-time screener of SEC Form 4 insider trading disclosures for U.S. stocks., Prebuilt screeners for quick discovery: Latest Purchases/Sales, $25k+ CEO or CFO buys, Cluster Buys, and weekly/monthly Top Purchases and Sales., and Aggregate Buy–Sell charts to visualize overall insider sentiment..

Unusual Whales is known for: Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Unusual Whales offers mobile access, which OpenInsider skips.

OpenInsider

openinsider.com

Editor’s pick Hands-on review

Free web-based screener for U.S. SEC Form 4 filings, tracking insider buys and sells in real time. Data is sourced directly from SEC.gov and refreshed between 6:00 and 22:00 ET on U.S. business days.

Platforms

Web

Pricing

Free

Quick highlights

Real-time screener of SEC Form 4 insider trading disclosures for U.S. stocks.
Prebuilt screeners for quick discovery: Latest Purchases/Sales, $25k+ CEO or CFO buys, Cluster Buys, and weekly/monthly Top Purchases and Sales.
Aggregate Buy–Sell charts to visualize overall insider sentiment.
Detailed filing tables with trade/filing dates, transaction codes, prices, quantities, and values, with an integrated code legend.
Ability to drill down by sector, industry, ticker, or individual insider profile.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Unusual Whales

unusualwhales.com

Editor’s pick Hands-on review

Real-time options flow and dark-pool analytics built for active traders. Free plans view delayed data; paid tiers stream live flow, with annual plans unlocking data downloads. The public API is sold separately, and “Periscope” (market-wide SPX exposure) is available as an add-on.

Platforms

Web

Mobile

API

Pricing

Free

Subscription

Quick highlights

Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
Paper trading for both stocks and options to test ideas without risk.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Overlap

Shared focus areas

2 overlaps

Mutual strengths include Screeners, and Insider Data.

Where they differ

OpenInsider

Distinct strengths include:

Regulatory Filings Monitoring

Data Visualizations

Real-time screener of SEC Form 4 insider trading disclosures for U.S. stocks.
Prebuilt screeners for quick discovery: Latest Purchases/Sales, $25k+ CEO or CFO buys, Cluster Buys, and weekly/monthly Top Purchases and Sales.
Aggregate Buy–Sell charts to visualize overall insider sentiment.
Detailed filing tables with trade/filing dates, transaction codes, prices, quantities, and values, with an integrated code legend.

Unusual Whales

Distinct strengths include:

Options & Derivatives

Portfolio

Paper Trading

Dark Pool & Off-Exchange

Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.

Feature-by-feature breakdown

Attribute	OpenInsider	Unusual Whales
Categories Which research workflows each platform targets	Shared: Screeners, Insider Data Unique: Regulatory Filings Monitoring, Data Visualizations	Shared: Screeners, Insider Data Unique: Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, News, US Government Trades, 13F, APIs & SDKs, Data APIs, Education, Calendar, Dividends
Asset types Supported asset classes and universes	Stocks	Stocks, ETFs, Options
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	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Real-time screener of SEC Form 4 insider trading disclosures for U.S. stocks. Prebuilt screeners for quick discovery: Latest Purchases/Sales, $25k+ CEO or CFO buys, Cluster Buys, and weekly/monthly Top Purchases and Sales. Aggregate Buy–Sell charts to visualize overall insider sentiment. Detailed filing tables with trade/filing dates, transaction codes, prices, quantities, and values, with an integrated code legend. Ability to drill down by sector, industry, ticker, or individual insider profile. CSV export links on lists and insider profile pages for offline use.	Unique Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy. Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones. Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals. Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L. Paper trading for both stocks and options to test ideas without risk. Portfolio Manager with broker linking for IBKR, tastytrade, Fidelity, and Robinhood.
Tested Verified by hands-on testing inside Find My Moat	Yes	Yes
Editor pick Featured inside curated shortlists	Highlighted	Highlighted

Frequently Asked Questions

Which workflows do OpenInsider and Unusual Whales both support?

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

Do OpenInsider and Unusual Whales require subscriptions?

Both OpenInsider and Unusual Whales keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Unusual Whales ships a dedicated mobile experience, while OpenInsider focuses on web or desktop access.

What unique strengths set the two platforms apart?

OpenInsider differentiates itself with Real-time screener of SEC Form 4 insider trading disclosures for U.S. stocks., Prebuilt screeners for quick discovery: Latest Purchases/Sales, $25k+ CEO or CFO buys, Cluster Buys, and weekly/monthly Top Purchases and Sales., and Aggregate Buy–Sell charts to visualize overall insider sentiment., whereas Unusual Whales stands out for Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Keep exploring

Stay on top of related tools

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