VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View DATAROMAView Unusual WhalesBack to Home

Head-to-head

DATAROMA vs Unusual Whales comparison

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

Quick takeaways

DATAROMA adds Stock Ideas, and Investor Holdings coverage that Unusual Whales skips.

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

DATAROMA highlights: Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity., Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals., and Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings..

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 DATAROMA skips.

DATAROMA logo

DATAROMA

dataroma.com

Hands-on review

Free resource that tracks Superinvestor 13F filings and insider Form 4 activity. Features include manager portfolios, aggregated holdings, insider trade feeds, and stock idea rankings. Quotes are sourced via Intrinio, with charts and fundamentals powered by TradingView. The site requires no login or account to use.

Platforms

Web

Pricing

Free

Quick highlights

  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.
  • S&P 500 'Value Ranking' grid for idea generation and stock discovery.

Community votes (overall)

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Unusual Whales logo

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)

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include 13F, and Insider Data.

Where they differ

DATAROMA

Distinct strengths include:

Stock Ideas
Investor Holdings
  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.

Unusual Whales

Distinct strengths include:

Screeners
Options & Derivatives
Portfolio
Paper Trading
Dark Pool & Off-Exchange
Alerts
News
US Government Trades
  • 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

AttributeDATAROMAUnusual Whales
Categories

Which research workflows each platform targets

Shared: 13F, Insider Data

Unique: Stock Ideas, Investor Holdings

Shared: 13F, Insider Data

Unique: Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, News, US Government Trades, APIs & SDKs, Data APIs, Education, Calendar, Dividends

Asset types

Supported asset classes and universes

Stocks, ETFs

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

  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.
  • S&P 500 'Value Ranking' grid for idea generation and stock discovery.
  • Aggregated 'Grand Portfolio' showing combined Superinvestor holdings and ownership statistics.

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

Standard listing

Highlighted

Frequently Asked Questions

Which workflows do DATAROMA and Unusual Whales both support?

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

Do DATAROMA and Unusual Whales require subscriptions?

Both DATAROMA 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 DATAROMA focuses on web or desktop access.

What unique strengths set the two platforms apart?

DATAROMA differentiates itself with Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity., Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals., and Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings., 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.

Recommended tools

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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.