VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Saturday, September 27, 2025
Investors comparing MarketInOut and Portfolio123 will find that Both MarketInOut and Portfolio123 concentrate on Screeners, Backtesting, and Portfolio workflows, making them natural alternatives for similar investment research jobs. MarketInOut leans into Watchlist, and Alerts, which can be decisive for teams that need depth over breadth. Portfolio123 stands out with Quant, Calendar, and Data APIs 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
MarketInOut vs Portfolio123
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.
- MarketInOut 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., and Formula Screener allows custom queries with AND/OR/NOT logic, multi-timeframe conditions, historical/range screening, index and ticker references, and regime filters..
- 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..
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
Pricing
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).
Portfolio123
portfolio123.com
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.
Categories
Platforms
Pricing
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).
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
MarketInOut
Distinct strengths include:
- 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:
- 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
| Unique
|
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..
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.