Wisdom of the Crowd.

Unified Prediction Market Data Terminal — L1, L2, L3 order book data and prediction market API across 7+ exchanges

Cross-exchange prediction market data  ·  7+ Exchanges
L1  ·  L2  ·  L3 order book  ·  Real-time news

In One Platform.

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01 — Realtime News × Data × Markets

Turning Signals
into Alpha.

Delphi connects breaking news to prediction markets across 7+ exchanges — surface which markets move and why, instantly. One platform. All the signal.

Auto-Matched Multi-Source Real-Time 7+ Exchanges

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Early Access

Be First to Know
When We Launch.

Delphi's real-time news feed — matched markets, live signals, and cross-exchange data — is coming soon.

Learn more about News →
02 — Cross-Exchange Market Data

Aggregated Pricing
Across 7+ Exchanges.

Compare prices, volume, and spreads across exchanges side by side. Access real-time order books and historical data for model training, backtesting, and spotting mispricings — all from a single normalized feed.

Matched Markets Live Data Historical Data L1 Data L2 Data L3 Data
Cross-Exchange Live
Market Probability Volume Timestamp
US Election 202652.3%$2.4M2026-03-13 14:32:18
Fed Rate Cut Q2 202668.7%$1.8M2026-03-13 14:31:45
Bitcoin > $100K EOY41.2%$3.1M2026-03-13 14:31:12
AI Regulation 202629.5%$950K2026-03-13 14:30:58
S&P 500 Above 500076.4%$4.2M2026-03-13 14:30:33
Climate Summit Agreement33.8%$1.2M2026-03-13 14:30:07
Kalshi prediction market — aggregated in Delphi Terminal Polymarket prediction market — unified feed in Delphi PredictIt prediction market — L1 L2 L3 data via Delphi Metaculus forecasting market — aggregated in Delphi Manifold prediction market — unified prediction market data Insight prediction market — cross-exchange data Polymarket P prediction market exchange
03 — Indices

Build Analysis Pipelines
Through Indices.

Combine prediction market price data with macroeconomic signals to construct public market-style indices. Train models on crowd-sourced probabilities, weight by volume and liquidity, and generate actionable trade signals.

Visual Builder Jupyter Notebooks Built-In Datasets

Turn inflation predictions into trading signals

⊞ Data Source
Kalshi
US $ CPI Markets
Kalshi
US $ Core CPI Markets
Kalshi
US $ PCE Markets
→
Model
E[CPI]
Weighted Inflation Index
→
Trade Signal
Macro Inflation Signal
Rates / FX / Equity Trades
Visual Builder | Jupyter Notebooks | Built-In Datasets
04 — API & Data

Programmatic Access
to Everything.

Full API access to Kalshi, Polymarket, and all supported exchanges — real-time news, market analytics, order books, and more. REST and WebSocket endpoints, with SDKs and cloud notebooks. Custom endpoints built in 2–3 days.

REST WebSocket SDKs Cloud Notebooks
200 GET /v1/markets 
[
  {
    "type": "kalshi",
    "market_id": "<string>",
    "klsi_id": "<string>",
    "poly_id": "<string>",
    "title": "<string>",
    "category": "<string>"
  }
]
FAQ

Frequently Asked Questions About Prediction Market Data & the Delphi API

Prediction market terminal, L1/L2/L3 order book data, cross-exchange feeds, and API access — everything you need to know.

Delphi Terminal is an aggregated prediction market data terminal providing institutional-grade L1, L2, and L3 market data across 7+ exchanges — including Kalshi, Polymarket, PredictIt, Limitless, Opinion Labs, Metaculus, and Manifold. It offers a web-based terminal interface and a comprehensive API for real-time and historical data access.
Delphi aggregates data from 7+ prediction market exchanges: Kalshi, Polymarket, PredictIt, Limitless, Opinion Labs, Metaculus, and Manifold. We continuously expand coverage to provide the most comprehensive cross-exchange dataset available.
Yes. Delphi provides real-time streaming data via WebSocket and REST endpoints. L1 top-of-book, L2 full order book depth, and L3 order-by-order data are all available with low-latency delivery.
Yes. Delphi provides a comprehensive REST and WebSocket API supporting L1, L2, and L3 data feeds across all supported exchanges. Full documentation is available at docs.delphiterminal.co.
Delphi is built for traders, quantitative researchers, market makers, hedge funds, academic researchers, and developers who need institutional-grade prediction market data — whether for building trading algorithms, conducting research, or analyzing crowd-sourced signals.
Yes. Delphi maintains a growing historical dataset across all supported exchanges. Historical L1, L2, and L3 data is available via API for backtesting, model training, and academic research.
Open-source tools typically cover a single exchange and require significant infrastructure work. Delphi aggregates 7+ exchanges into a single normalized feed with matched markets, full order book depth, and real-time streaming — built for institutional use without the setup overhead.
You can sign up at delphiterminal.co/checkout. Plans range from a free tier to institutional access. For custom enterprise arrangements, reach out via the contact form below.

Contact

Get in Touch

Reach out to learn more about Delphi.