VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

QuantConnect vs Unusual Whales comparison

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

Quick takeaways

QuantConnect adds Quant, Backtesting, and Auto-Trading & Bots coverage that Unusual Whales skips.

Unusual Whales includes Screeners, Portfolio, Dark Pool & Off-Exchange, Alerts, News, US Government Trades, Insider Data, 13F, Data APIs, Education, Calendar, and Dividends categories that QuantConnect omits.

QuantConnect highlights: Seamless environment that connects research, backtests, and live trading on institutional-grade co-located servers., Powered by the open-source LEAN engine (Python 3.11 and C#), with the flexibility to run locally or in the cloud., and Multi-asset coverage across equities, ETFs, options, futures, FX, and crypto, with a long list of broker and data integrations including Interactive Brokers, Schwab, TradeStation, Tastytrade, Alpaca, OANDA, Binance, Coinbase, Kraken, Bybit, and Bloomberg EMSX..

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 QuantConnect skips.

QuantConnect logo

QuantConnect

quantconnect.com

QuantConnect runs on the open-source LEAN engine, giving quants and systematic traders a unified workflow from research to backtesting to live deployment. You can run everything locally or in the cloud. Historical data down to tick and second resolution is available on paid tiers, and live-trading notifications scale by plan (from a handful per hour to thousands). Some broker and data feeds—like Trading Technologies futures or premium vendors—are only unlocked at higher tiers.

Platforms

Web
Desktop
API

Pricing

Free
Subscription

Quick highlights

  • Seamless environment that connects research, backtests, and live trading on institutional-grade co-located servers.
  • Powered by the open-source LEAN engine (Python 3.11 and C#), with the flexibility to run locally or in the cloud.
  • Multi-asset coverage across equities, ETFs, options, futures, FX, and crypto, with a long list of broker and data integrations including Interactive Brokers, Schwab, TradeStation, Tastytrade, Alpaca, OANDA, Binance, Coinbase, Kraken, Bybit, and Bloomberg EMSX.
  • Robust options support with Greeks, implied volatility, and helpers for building multi-leg strategies such as iron condors.
  • Generates detailed backtest reports you can download as PDFs and raw results exportable as CSV or JSON.

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

3 overlaps

Mutual strengths include Paper Trading, Options & Derivatives, and APIs & SDKs.

Where they differ

QuantConnect

Distinct strengths include:

  • Seamless environment that connects research, backtests, and live trading on institutional-grade co-located servers.
  • Powered by the open-source LEAN engine (Python 3.11 and C#), with the flexibility to run locally or in the cloud.
  • Multi-asset coverage across equities, ETFs, options, futures, FX, and crypto, with a long list of broker and data integrations including Interactive Brokers, Schwab, TradeStation, Tastytrade, Alpaca, OANDA, Binance, Coinbase, Kraken, Bybit, and Bloomberg EMSX.
  • Robust options support with Greeks, implied volatility, and helpers for building multi-leg strategies such as iron condors.

Unusual Whales

Distinct strengths include:

  • 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

AttributeQuantConnectUnusual Whales
Categories

Which research workflows each platform targets

Shared: Paper Trading, Options & Derivatives, APIs & SDKs

Unique: Quant, Backtesting, Auto-Trading & Bots

Shared: Paper Trading, Options & Derivatives, APIs & SDKs

Unique: Screeners, Portfolio, Dark Pool & Off-Exchange, Alerts, News, US Government Trades, Insider Data, 13F, Data APIs, Education, Calendar, Dividends

Asset types

Supported asset classes and universes

Stocks, ETFs, Options, Futures, Currencies, Cryptos

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, Desktop, API

Web, Mobile, API

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Seamless environment that connects research, backtests, and live trading on institutional-grade co-located servers.
  • Powered by the open-source LEAN engine (Python 3.11 and C#), with the flexibility to run locally or in the cloud.
  • Multi-asset coverage across equities, ETFs, options, futures, FX, and crypto, with a long list of broker and data integrations including Interactive Brokers, Schwab, TradeStation, Tastytrade, Alpaca, OANDA, Binance, Coinbase, Kraken, Bybit, and Bloomberg EMSX.
  • Robust options support with Greeks, implied volatility, and helpers for building multi-leg strategies such as iron condors.
  • Generates detailed backtest reports you can download as PDFs and raw results exportable as CSV or JSON.
  • Cloud API and Lean CLI for managing projects, running backtests, deploying live strategies, and pulling reports programmatically.

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 QuantConnect and Unusual Whales both support?

Both platforms cover Paper Trading, Options & Derivatives, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do QuantConnect and Unusual Whales require subscriptions?

Both QuantConnect 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 QuantConnect focuses on web or desktop access.

What unique strengths set the two platforms apart?

QuantConnect differentiates itself with Seamless environment that connects research, backtests, and live trading on institutional-grade co-located servers., Powered by the open-source LEAN engine (Python 3.11 and C#), with the flexibility to run locally or in the cloud., and Multi-asset coverage across equities, ETFs, options, futures, FX, and crypto, with a long list of broker and data integrations including Interactive Brokers, Schwab, TradeStation, Tastytrade, Alpaca, OANDA, Binance, Coinbase, Kraken, Bybit, and Bloomberg EMSX., 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..

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.