VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Tiingo View Unusual Whales Back to Home

Head-to-head

Tiingo vs Unusual Whales comparison

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

Quick takeaways

Tiingo adds Splits coverage that Unusual Whales skips.

Unusual Whales includes Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Insider Data, 13F, Education, and Calendar categories that Tiingo omits.

Tiingo highlights: End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..

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 Tiingo skips.

Tiingo

tiingo.com

Flat-rate market data platform with simple, transparent plans. Tiingo provides end-of-day and real-time APIs for equities, mutual funds, ETFs, forex, and crypto, alongside corporate actions, fundamentals, and news. Plans range from a free Starter tier to affordable paid subscriptions, with usage limits and data history varying by plan. Enterprise or commercial use is supported via higher tiers.

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
Corporate actions API for dividends and splits, including both historical and announced events.
IEX real-time equity feed with tick-level data via REST and WebSocket.
Forex API with real-time and historical data for 140+ currency pairs.

Community votes (overall)

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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

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Overlap

Shared focus areas

4 overlaps

Mutual strengths include Data APIs, News, and Dividends plus 1 more area.

Where they differ

Tiingo

Distinct strengths include:

Splits

End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
Corporate actions API for dividends and splits, including both historical and announced events.
IEX real-time equity feed with tick-level data via REST and WebSocket.

Unusual Whales

Distinct strengths include:

Screeners

Options & Derivatives

Portfolio

Paper Trading

Dark Pool & Off-Exchange

Alerts

US Government Trades

Insider Data

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	Tiingo	Unusual Whales
Categories Which research workflows each platform targets	Shared: Data APIs, News, Dividends, APIs & SDKs Unique: Splits	Shared: Data APIs, News, Dividends, APIs & SDKs Unique: Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Insider Data, 13F, Education, Calendar
Asset types Supported asset classes and universes	Stocks, ETFs, Mutual Funds, Cryptos, Currencies	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, API	Web, Mobile, API
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique End-of-day (EOD) price API with proprietary error-checking and broad historical coverage. Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history. Corporate actions API for dividends and splits, including both historical and announced events. IEX real-time equity feed with tick-level data via REST and WebSocket. Forex API with real-time and historical data for 140+ currency pairs. Crypto API aggregating data from multiple exchanges, with REST and WebSocket endpoints.	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	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Highlighted

Frequently Asked Questions

Which workflows do Tiingo and Unusual Whales both support?

Both platforms cover Data APIs, News, Dividends, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Tiingo and Unusual Whales require subscriptions?

Both Tiingo 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 Tiingo focuses on web or desktop access.

What unique strengths set the two platforms apart?

Tiingo differentiates itself with End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events., 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..

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