Platform: Polymarket

Polymarket data,
unified with the ecosystem

60K+ markets normalized to our unified schema. Compare with Kalshi & PredictIt instantly. No blockchain indexing required.

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60K+

Markets indexed

2020

Data since

$8B+

Volume tracked

~10ms

Update latency

Polymarket + Cross-Platform

More than just Polymarket data

Get Polymarket data AND see how it compares to the same event on Kalshi and PredictIt. We've already matched the events for you.

Same schema as Kalshi and PredictIt data
Cross-platform event linking included
Compare prices across platforms instantly
Spot arbitrage opportunities automatically

polymarket-cross.ts

// Get Polymarket market WITH cross-platform prices
const market = await client.markets.get('polymarket:btc-100k')

// Automatically includes linked markets!
console.log(market.price)           // 0.52
console.log(market.crossPlatform)
// {
//   kalshi: { id: 'KXBTC...', price: 0.48 },
//   predictit: { id: '7890', price: 0.50 }
// }

// Instant spread calculation
console.log(market.maxSpread)       // 0.04

The Problem

Why not access Polymarket directly?

Polymarket runs on Polygon. Getting reliable data means dealing with blockchain infrastructure.

Running an indexer

You need to run and maintain blockchain infrastructure to index Polymarket data.

Handling reorgs

Chain reorganizations can invalidate your indexed data. You need to handle rollbacks.

RPC rate limits

Public RPC endpoints have strict rate limits. You need your own node or paid RPC.

CLOB complexity

Polymarket's CLOB (Central Limit Order Book) has its own complexities to understand.

With Probalytics

We handle all the blockchain complexity. You get clean, normalized data through a simple API. Real-time streaming, historical data, cross-platform comparison - all without touching a blockchain.

Coverage

What we index from Polymarket

Markets

All market metadata, questions, categories, end dates

60K+

Trades

Every trade with timestamp, price, size, side

500M+

Orderbooks

Orderbook snapshots and real-time updates

Real-time

Resolutions

Market outcomes and resolution timestamps

45K+

Prices

Historical price data at multiple intervals

Since 2020

Unified Schema

Polymarket data, normalized

We map Polymarket's blockchain-specific fields (token IDs, condition IDs, CLOB data) to our unified event model. Same schema as Kalshi and PredictIt.

conditionIdmarket.id

outcome tokensmarket.outcomes[]

CLOB pricemarket.price

Unified Market Object

{
  "id": "polymarket:btc-100k",
  "platform": "polymarket",
  "question": "BTC above $100k?",
  "price": 0.52,
  "volume24h": 1240000,
  "endDate": "2024-12-31",
  "crossPlatform": {
    "kalshi": { "price": 0.48 },
    "predictit": { "price": 0.50 }
  }
}

Access Polymarket Data

Ready to access Polymarket data?

Join the waitlist for early access. No blockchain infrastructure required.