Probalytics Probalytics
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What will you
build?

From algorithmic trading to academic research, see how teams use Probalytics to build powerful prediction market applications.

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Trading Bots

Automated trading across all platforms

Build trading bots that monitor multiple prediction markets simultaneously. React to price movements in milliseconds, execute strategies across Polymarket, Kalshi, and more from a single codebase.

  • Sub-second price updates via Server-Sent Events
  • Unified order format across all platforms
  • Built-in rate limiting and error handling
Live Prices Streaming
Polymarket
0.67+2.0%
Kalshi
0.65-1.0%
Research & Analysis

Years of data, ready for analysis

Access comprehensive historical data going back to 2020. Study forecasting accuracy, analyze market efficiency, and research crowd wisdom dynamics with clean, normalized datasets.

  • Export to CSV, JSON, or Parquet formats
  • Resolution outcomes for accuracy studies
  • Event metadata and categorization
Historical Accuracy2020 - 2024
JanDec

150K+

Markets indexed

$12B+

Volume tracked

5 yrs

Data coverage

Vector Search

Find similar markets instantly

Every market is embedded into a vector space. Stream markets with high semantic similarity via SSE, or query our blazing-fast vector search to find related predictions across all platforms.

  • Real-time SSE stream of similar markets above your similarity threshold
  • Sub-millisecond vector search across millions of markets
  • Spot arbitrage opportunities between semantically matched events
Similar Markets Streamthreshold: 0.92
Query

BTC above $100k by end of 2024

Polymarket

Kalshi0.97

Bitcoin to reach $100,000?

Polymarket0.94

Will Bitcoin hit $100K in 2024?

Kalshi0.89

ETH to flip BTC market cap

Developer Experience

Simple REST API

Clean endpoints, consistent responses. Just fetch the data you need. Real-time updates via Server-Sent Events.

  • Simple REST API with consistent response formats
  • Real-time streaming via Server-Sent Events
  • Comprehensive documentation and examples
JavaScript
// Fetch market data
const response = await fetch('https://api.probalytics.io/v1/markets', {
  headers: { 'Authorization': 'Bearer pk_...' }
})
const { data } = await response.json()

// Stream real-time price updates
const events = new EventSource(
  'https://api.probalytics.io/v1/stream?token=pk_...'
)
events.onmessage = (e) => {
  const price = JSON.parse(e.data)
  console.log(price.market, price.yes)
}

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