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Dev tools · alternatives · 2026

24 alternatives to PolyOrderbooks

Historical Polymarket data for backtesting

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Historical tick-level order book updates, trades, quotes, open interest, funding, liquidations, options chains and more. API access and downloadable CSV files. Real-time consolidated market data streaming API via client libraries that connect directly to exchanges

    2019 · tardis.dev · its alternatives →

  2. 2

    See what the market saw before it moved

    Apr 2026 · polyhistorical.com · its alternatives →

  3. 3

    Library for algorithmic trading. Contribute to xreptoid/viperfish development by creating an account on GitHub.

    2023 · github.com · its alternatives →

  4. 4

    Backtest your Polymarket strategy with real historical data

    May 2026 · resolvedmarkets.com · its alternatives →

  5. 5
  6. 6

    Real-time and historical data for every options chain

    2022 · massive.com · its alternatives →

  7. 7

    Invest in global pre-IPO companies without a broker

    2023 · orderbook.io · its alternatives →

  8. 8

    Bet on current events 🤑. Get tomorrow's news, today 📰.

    2020 · polymarket.com · its alternatives →

  9. 9

    Historical tick-level order book updates, trades, quotes, open interest, funding, liquidations, options chains and more. API access and downloadable CSV files. Real-time consolidated market data streaming API via client libraries that connect directly to exchanges

    2019 · tardis.dev · its alternatives →

  10. 10

    Exchange used books locally

    2019 · its alternatives →

  11. 11

    Readings in Database Systems (5th edition)

    2015 · redbook.io · its alternatives →

  12. 12

    The hidden world of matchmaking and market design

    2015 · amazon.com · its alternatives →

  13. 13BT
  14. 14GA
  15. 15

    Backtest Polymarket's crypto Up/Down markets

    Mar 2026 · polytest.io · its alternatives →

  16. 16

    Free real-time, intraday and historical stock data JSON APIs

    2021 · stockdata.org · its alternatives →

  17. 17

    Learn what your customers want by asking

    2015 · amazon.com · its alternatives →

  18. 18RW
  19. 19

    Open-source Python engine for defensible portfolio research

    Jul 2026 · backtester.quantjourney.cloud · its alternatives →

  20. 20

    Stock API with real-time and historical tick data, unlimited usage via REST or WebSockets, standardized JSON and CSV formats. Instant access free tier.

    2020 · polygon.io · its alternatives →

  21. 21

    Find edges in prediction markets before others do

    May 2026 · polyedge-production-dfe5.up.railway.app · its alternatives →

  22. 22
    Quantle▲28

    Visual backtesting for Traders and Investors

    2024 · quantle.net · its alternatives →

  23. 23

    All-in-One AI Copilot for prediction markets.

    Feb 2026 · polypredict.ai · its alternatives →

  24. 24

    Scan a bookshelf, see which used books are worth reselling

    May 2026 · biblioscan.ai · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →