VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View Interactive Brokers View Portfolio123 Home My Collections

Head-to-head

Interactive Brokers vs Portfolio123 comparison

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), Scenario & Stress Tests, Performance Attribution, and Options & Derivatives coverage that Portfolio123 skips.

Portfolio123 includes Screeners, Quant, Backtesting, Correlation, Calendar, Broker Connectors, and Data Visualizations 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)..

Portfolio123 is known for: Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..

Portfolio123 keeps a free entry point that Interactive Brokers lacks.

Interactive Brokers ships a mobile app. Portfolio123 is web/desktop only.

Interactive Brokers

interactivebrokers.co.uk

Editor’s pick Hands-on review

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.

Platforms

Web

Mobile

Desktop

API

Pricing

Other

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.

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Portfolio123

portfolio123.com

Editor’s pick Hands-on review

Quant research and live-deployment platform with point-in-time fundamentals and estimates. Users can screen, backtest, and simulate strategies, then deploy them live with broker integrations. Supports API access and a no-code desktop DataMiner. FactSet or S&P Compustat licenses are required for full historical fundamentals.

Platforms

Web

Desktop

API

Pricing

Free

Subscription

Quick highlights

Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
‘Books’ feature to combine multiple strategies and view correlations between them.
Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).

Community votes (overall)

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Overlap

Shared focus areas

3 overlaps

Mutual strengths include APIs & SDKs, Data APIs, and Portfolio.

Where they differ

Interactive Brokers

Distinct strengths include:

Order Book / Level II

Watchlist

Risk Metrics (VaR/ES/Drawdown)

Scenario & Stress Tests

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.

Portfolio123

Distinct strengths include:

Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
‘Books’ feature to combine multiple strategies and view correlations between them.

Feature-by-feature breakdown

Attribute	Interactive Brokers	Portfolio123
Categories Which research workflows each platform targets	Shared: APIs & SDKs, Data APIs, Portfolio Unique: Brokerage, Paper Trading, Advanced Order Types, Smart/Direct Routing, Order Book / Level II, Watchlist, Risk Metrics (VaR/ES/Drawdown), Scenario & Stress Tests, Performance Attribution, Options & Derivatives	Shared: APIs & SDKs, Data APIs, Portfolio Unique: Screeners, Quant, Backtesting, Correlation, Calendar, Broker Connectors, Data Visualizations
Asset types Supported asset classes and universes	Stocks, ETFs, Options, Futures, Bonds, Mutual Funds, Currencies, Commodities, Cryptos	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, Mobile, Desktop, API	Web, Desktop, API
Pricing High-level pricing models	Other	Free, Subscription
Key features Core capabilities called out by each vendor	Unique 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. Portfolio Rebalancer tool to realign or target allocation weights across accounts.	Unique Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry. Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data. Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging. ‘Books’ feature to combine multiple strategies and view correlations between them. Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead). Coverage of 15,000+ equities in the U.S., Canada, and Europe, including delisted stocks and spinoffs.
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 Interactive Brokers and Portfolio123 both support?

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

Which tool offers a free plan?

Portfolio123 offers a free entry point, while Interactive Brokers requires a paid subscription. Review the pricing table to see how the paid tiers compare.

Which tool has mobile access?

Interactive Brokers ships a dedicated mobile experience, while Portfolio123 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 Portfolio123 stands out for Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..

Keep exploring

Stay on top of related tools

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