Professional Market Data Infrastructure
Access Level I & II market data for US equities with sub-second latency. Built for institutional-grade applications and high-frequency trading systems.
Comprehensive Market Coverage
Complete real-time data coverage for all major US exchanges with institutional-grade reliability and precision.
Level I Market Data
Real-time quotes, last trade prices, and volume data for all US equities.
- Real-time bid/ask quotes
- Last trade price & volume
- Daily high/low/open/close
Level II Market Data
Full order book depth with market maker identification and time & sales data.
- Full order book (10+ levels)
- Market maker identification
- Time & sales tick data
Historical Market Data
Complete historical data going back 20+ years for backtesting and analysis.
- Intraday tick & minute data
- Daily OHLCV data
- Corporate actions & splits
Technical Specifications
Built for high-performance applications with enterprise-grade infrastructure and reliability.
Performance & Reliability
Data Sources & Coverage
US Exchanges
Asset Classes
Easy Integration & Developer-Friendly APIs
RESTful APIs and WebSocket connections designed for seamless integration into your trading systems and applications.
curl -X GET "https://api.wioex.com/v1/market/quote" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"symbols": ["AAPL", "MSFT", "GOOGL"],
"fields": ["bid", "ask", "last", "volume"]
}'
# Response
{
"data": {
"AAPL": {
"bid": 175.32,
"ask": 175.35,
"last": 175.33,
"volume": 45234567,
"timestamp": "2024-01-15T14:30:00.123Z"
}
},
"status": "success"
}RESTful API
Clean, intuitive REST endpoints with comprehensive documentation and SDKs for popular programming languages.
WebSocket Streaming
Real-time data streaming with automatic reconnection and built-in error handling for mission-critical applications.
Enterprise Security
OAuth 2.0, API key authentication, IP whitelisting, and SOC 2 Type II compliance for institutional security requirements.
Transparent, Usage-Based Pricing
No hidden fees, no minimum commitments. Pay only for what you use with transparent per-request pricing.
Ready to Access Professional Market Data?
Join thousands of institutions and developers who trust WioEX for their market data needs.