VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, November 10, 2025

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Tool Comparison

MarketInOut vs Portfolio123 comparison

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

Quick takeaways

MarketInOut adds Watchlist, and Alerts coverage that Portfolio123 skips.

Portfolio123 includes Quant, Calendar, Data APIs, Broker Connectors, and Data Visualizations categories that MarketInOut omits.

In depth comparison

MarketInOut

marketinout.com

Screener and backtesting platform with one-time memberships (6-month, 1-year, or 2-year). A limited free tier is available, but some results and features are gated. Supports near real-time data for U.S. equities, TSX, Forex, and Crypto; other exchanges are delayed by 15 minutes. Intraday periods are available for IEX, Forex, and Crypto only; extended-hours data is not supported. API access for screener data can be requested separately. Discounts are offered for crypto payments.

Platforms

Web

Pricing

FreeOne-time

Quick highlights

Multi-market stock screener covering 35+ exchanges, with both technical and fundamental criteria. Filters can be applied by exchange, sector, industry, index, or watchlist. Timeframes include hourly, daily, weekly, and monthly, with per-stock Excel exports.
Intraday timeframes (5m/15m/30m/1h/4h) are available for IEX, Forex, and Crypto. Extended-hours trading is not supported.
Formula Screener allows custom queries with AND/OR/NOT logic, multi-timeframe conditions, historical/range screening, index and ticker references, and regime filters.
Email or Telegram alerts for screener matches, with scheduled delivery options. SMS delivery is not guaranteed.
Strategy Backtester supports entry/exit rules, stop-loss/take-profit, and position maintenance. Data is survivorship-bias-free (includes delisted stocks).

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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

WebDesktopAPI

Pricing

FreeSubscription

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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Where they differ

MarketInOut

Distinct strengths include:

Watchlist Alerts

Multi-market stock screener covering 35+ exchanges, with both technical and fundamental criteria. Filters can be applied by exchange, sector, industry, index, or watchlist. Timeframes include hourly, daily, weekly, and monthly, with per-stock Excel exports.
Intraday timeframes (5m/15m/30m/1h/4h) are available for IEX, Forex, and Crypto. Extended-hours trading is not supported.
Formula Screener allows custom queries with AND/OR/NOT logic, multi-timeframe conditions, historical/range screening, index and ticker references, and regime filters.
Email or Telegram alerts for screener matches, with scheduled delivery options. SMS delivery is not guaranteed.

Portfolio123

Distinct strengths include:

Quant Calendar Data APIs Broker Connectors Data Visualizations

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	MarketInOut	Portfolio123
Categories Which research workflows each platform targets	Shared: Screeners, Backtesting, Portfolio, Correlation, APIs & SDKs Unique: Watchlist, Alerts	Shared: Screeners, Backtesting, Portfolio, Correlation, APIs & SDKs Unique: Quant, Calendar, Data APIs, Broker Connectors, Data Visualizations
Asset types Supported asset classes and universes	Stocks, ETFs, Currencies, 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	Web, Desktop, API
Pricing High-level pricing models	Free, One-time	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Multi-market stock screener covering 35+ exchanges, with both technical and fundamental criteria. Filters can be applied by exchange, sector, industry, index, or watchlist. Timeframes include hourly, daily, weekly, and monthly, with per-stock Excel exports. Intraday timeframes (5m/15m/30m/1h/4h) are available for IEX, Forex, and Crypto. Extended-hours trading is not supported. Formula Screener allows custom queries with AND/OR/NOT logic, multi-timeframe conditions, historical/range screening, index and ticker references, and regime filters. Email or Telegram alerts for screener matches, with scheduled delivery options. SMS delivery is not guaranteed. Strategy Backtester supports entry/exit rules, stop-loss/take-profit, and position maintenance. Data is survivorship-bias-free (includes delisted stocks). Portfolio tracker with unlimited portfolios, intra-day last prices, daily P/L, and simple paper-trading views. Positions can be added directly from screener results.	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	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Highlighted

Frequently Asked Questions

Which workflows do MarketInOut and Portfolio123 both support?

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

Do MarketInOut and Portfolio123 require subscriptions?

Both MarketInOut and Portfolio123 keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access MarketInOut and Portfolio123?

Both MarketInOut and Portfolio123 prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

MarketInOut differentiates itself with Multi-market stock screener covering 35+ exchanges, with both technical and fundamental criteria. Filters can be applied by exchange, sector, industry, index, or watchlist. Timeframes include hourly, daily, weekly, and monthly, with per-stock Excel exports., Intraday timeframes (5m/15m/30m/1h/4h) are available for IEX, Forex, and Crypto. Extended-hours trading is not supported., and Formula Screener allows custom queries with AND/OR/NOT logic, multi-timeframe conditions, historical/range screening, index and ticker references, and regime filters., 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..

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