Alternatives

Products that do what PolyOrderbooks does

Historical Polymarket data for backtesting

1. 1HO
   Historical order book reconstruction API for crypto markets▲78

   2019 · tardis.dev

2. 2
   Polygon Stock Options API▲75

   Real-time and historical data for every options chain

   2022

3. 3CC
   CoinMarketBook – CoinMarketCap, but with a different metric▲46

   2018 · coinmarketbook.cc

4. 4
   Polymarket▲133

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

   2020

5. 5MF
   ML From Scratch – free online textbook▲259

   2020 · dafriedman97.github.io

6. 6OW
   OrderCircle – Wholesale ordering software for small businesses▲56

   2014 · ordercircle.com

7. 7FA
   Forexbook – Automated trading journal that syncs with Metatrader▲80

   2020 · forexbook.com

8. 8ZA
   Zipline - algorithmic trading in open source Python▲157

   2013 · github.com

9. 9HL
   Haskell library for pricing and information on crypto-currencies▲86

   2017 · github.com

10. 10TF
    tool for commodity traders, brokers and analysts.▲107

    2011 · bullbear.ca

11. 11RW
    RD Workbooks: Free Cross channel data downloader for digital marketers▲9

    2017 · app.reportdash.com

12. 12CH
    Cryptocurrencies historical prices data collector written in Python▲7

    2018 · github.com

13. 13
    Quanty▲104

    AI powered market analysis platform with GraphQL API

    2024

14. 14AF
    API for Sales Research▲62

    2014 · stacklead.com

15. 15BT
    Backtest Trading Strategies: A Quantopian Alternative▲35

    2020 · tradytics.com

16. 16
    Quantle▲28

    Visual backtesting for Traders and Investors

    2024

17. 17ID
    ISBN Data as a Service▲19

    2014 · gigadb.com

18. 18PI
    Polygon.io – Real-time Stock APIs, Forex and Crypto▲12

    2020 · polygon.io

19. 19AP
    A paper trading API written in Python▲9

    2017 · github.com

20. 20AF
    A free ISBN/UPC/EAN database and API with 30+ million items▲28

    2014 · outpan.com

21. 21CH
    Cryptocurrency historical price data scrapper written in Python▲7

    2018 · github.com

22. 22CO
    C++ order book matching engine (3.2M orders/SEC, ~320ns)▲5

    Dec 2025 · github.com

23. 23AE
    An English-language trading strategy editor that compiles to Python▲9

    2015 · tradewave.net

24. 24PP
    Price per unit analysis on Amazon listings▲21

    2019 · unitprice.org

Ranked by how close each launch is in meaning, then by votes. Refine with a description →