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

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

See what the market saw before it moved
Apr 2026 · polyhistorical.com · its alternatives →
- 3

Library for algorithmic trading. Contribute to xreptoid/viperfish development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 4

Backtest your Polymarket strategy with real historical data
May 2026 · resolvedmarkets.com · its alternatives →
- 5

2024 · github.com · its alternatives →
- 6

Real-time and historical data for every options chain
2022 · massive.com · its alternatives →
- 7
Orderbook▲59Invest in global pre-IPO companies without a broker
2023 · orderbook.io · its alternatives →
- 8
Polymarket▲133Bet on current events 🤑. Get tomorrow's news, today 📰.
2020 · polymarket.com · its alternatives →
- 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

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- 12

The hidden world of matchmaking and market design
2015 · amazon.com · its alternatives →
- 13BT
2020 · tradytics.com · its alternatives →
- 14GA
2014 · shelfflip.com · its alternatives →
- 15

- 16

Free real-time, intraday and historical stock data JSON APIs
2021 · stockdata.org · its alternatives →
- 17

Learn what your customers want by asking
2015 · amazon.com · its alternatives →
- 18RW
2017 · app.reportdash.com · its alternatives →
- 19

Open-source Python engine for defensible portfolio research
Jul 2026 · backtester.quantjourney.cloud · its alternatives →
- 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
PolyEdge▲2Find edges in prediction markets before others do
May 2026 · polyedge-production-dfe5.up.railway.app · its alternatives →
- 22

- 23

All-in-One AI Copilot for prediction markets.
Feb 2026 · polypredict.ai · its alternatives →
- 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 →