VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Saturday, September 27, 2025
Investors comparing Interactive Brokers and Reflexivity will find that Both Interactive Brokers and Reflexivity concentrate on APIs & SDKs, Data APIs, and Portfolio workflows, making them natural alternatives for similar investment research jobs. Interactive Brokers leans into Brokerage, Paper Trading, and Advanced Order Types, which can be decisive for teams that need depth over breadth. Reflexivity stands out with Screeners, Quant, and Backtesting that the competition lacks. Use the feature-by-feature table to inspect unique capabilities and confirm which roadmap best maps to your process.
Head-to-head
Interactive Brokers vs Reflexivity
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
- Interactive Brokers adds Brokerage, Paper Trading, Advanced Order Types, Smart/Direct Routing, Order Book / Level II, Watchlist, Risk Metrics (VaR/ES/Drawdown), and Options & Derivatives coverage that Reflexivity skips.
- Reflexivity includes Screeners, Quant, Backtesting, Alerts, News, Transcripts, AI, AI Chat, and AI Report categories that Interactive Brokers omits.
- Interactive Brokers highlights: Single universal account providing access to around 160 markets across 36 countries and 28 currencies., More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing., and Market depth (Level II) and full order book views via Trader Workstation (TWS)..
- Reflexivity is known for: Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts., Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports., and Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs..
- Interactive Brokers ships a mobile app. Reflexivity is web/desktop only.
Interactive Brokers
interactivebrokers.co.uk
A global, multi-asset direct-access broker with coverage across 160 markets in 36 countries and 28 currencies. Crypto trading and some services vary by region (IBKR Crypto is powered by Paxos or Zero Hash where supported). Client APIs include the Client Portal Web API and TWS API; retail users authenticate via the local Client Portal Gateway, while OAuth2 applies to approved web integrations.
Categories
Platforms
Pricing
Quick highlights
- Single universal account providing access to around 160 markets across 36 countries and 28 currencies.
- More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing.
- Market depth (Level II) and full order book views via Trader Workstation (TWS).
- Advanced options analytics with Greeks, implied volatility curves, and a 3D volatility surface viewer.
- Risk Navigator for real-time portfolio risk, Value-at-Risk, and what-if scenario analysis.
Reflexivity
reflexivity.com
Reflexivity is a sales-led enterprise platform (annual subscription) designed for institutions. Deep Research features are still in beta and not enabled for all accounts. All listed data sources (S&P Global, Refinitiv, Nasdaq, Cboe, etc.) are included out of the box—no separate contracts required.
Categories
Platforms
Pricing
Quick highlights
- Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts.
- Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports.
- Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs.
- Portfolio Insights delivers real-time alerts, risk/exposure analytics, and performance attribution. Portfolios can be replicated via manual entry or file upload. The system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history.
- Scenario Analysis allows backtesting and stress testing with 50+ years of historical market data. Users can model custom scenarios and view results in real time.
Shared focus areas
Both platforms align on these research themes, so you can stay within one workflow when your use case involves them.
Where they differ
Interactive Brokers
Distinct strengths include:
- Single universal account providing access to around 160 markets across 36 countries and 28 currencies.
- More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing.
- Market depth (Level II) and full order book views via Trader Workstation (TWS).
- Advanced options analytics with Greeks, implied volatility curves, and a 3D volatility surface viewer.
Reflexivity
Distinct strengths include:
- Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts.
- Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports.
- Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs.
- Portfolio Insights delivers real-time alerts, risk/exposure analytics, and performance attribution. Portfolios can be replicated via manual entry or file upload. The system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history.
Feature-by-feature breakdown
| Attribute | Interactive Brokers | Reflexivity |
|---|---|---|
Categories Which research workflows each platform targets | Shared: APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, Performance Attribution Unique: Brokerage, Paper Trading, Advanced Order Types, Smart/Direct Routing, Order Book / Level II, Watchlist, Risk Metrics (VaR/ES/Drawdown), Options & Derivatives | Shared: APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, Performance Attribution Unique: Screeners, Quant, Backtesting, Alerts, News, Transcripts, AI, AI Chat, AI Report |
Asset types Supported asset classes and universes | Stocks, ETFs, Options, Futures, Bonds, Mutual Funds, Currencies, Commodities, Cryptos | Stocks, ETFs, Bonds, Commodities, Currencies |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Platforms Where you can access the product | Web, Mobile, Desktop, API | Web, API |
Pricing High-level pricing models | Other | Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Yes | Not yet |
Editor pick Featured inside curated shortlists | Highlighted | Standard listing |
Frequently Asked Questions
Which workflows do Interactive Brokers and Reflexivity both support?
Both platforms cover APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, and Performance Attribution workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do Interactive Brokers and Reflexivity require subscriptions?
Neither platform maintains a free tier. Budget for a subscription to unlock the research coverage highlighted in this comparison.
Which tool has mobile access?
Interactive Brokers ships a dedicated mobile experience, while Reflexivity focuses on web or desktop access.
What unique strengths set the two platforms apart?
Interactive Brokers differentiates itself with Single universal account providing access to around 160 markets across 36 countries and 28 currencies., More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing., and Market depth (Level II) and full order book views via Trader Workstation (TWS)., whereas Reflexivity stands out for Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts., Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports., and Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs..
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.