VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Free, Subscription
Web, Desktop, API
Screeners • Quant +8
US

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.

Key features

  • 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.
  • Broker integration with Interactive Brokers and Tradier for single-click rebalancing, order scheduling, and ATR-based order limits.
  • Public REST API and Python wrapper (`p123api`) with endpoints for strategies, rebalancing, and commits. Plans use credit-based quotas.
  • DataMiner desktop tool for no-code PIT data extraction using YAML; requires FactSet or Compustat license for full history.
  • Rolling screen backtests help mitigate start-date bias.
  • Support for custom universes, including randomized universes for bootstrapping.
  • Integrated earnings calendar accessible in portfolio management tools.

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Information

About Me

Hey! Thanks for stopping by. I'm an independent investor with a soft spot for coding and the stock market - especially value investing (as you can probably tell from the tools I've collected here, haha). Hopefully you'll find something useful or interesting along the way.

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Starred Tools

These are my top picks. Tools I've tested thoroughly and found to be excellent. They do their job really well, and I use them a lot. If you're not already familiar with them, I highly recommend checking them out.

Tested Tools

These are tools I've tried and found to be solid, but not standout. Think of them as passing an initial quality screen: worth exploring, though not all will be exceptional.

Added 8/11/2025
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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.