SPY 421.85 +0.45%
QQQ 375.23 -0.23%
VIX 18.45 +2.1%
DXY 103.24 -0.05%
10Y 4.285% +3bps
GOLD 2,045.30 +0.8%
EUR/USD 1.0835 -0.12%
BTC 43,250 +2.3%
Real-Time Data

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.

<100ms
Latency
99.9%
Uptime SLA
8,000+
Instruments
24/7
Enterprise Support

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 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 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

API Response Time < 50ms
Market Data Latency < 100ms
Uptime Guarantee 99.9%
API Throughput 10,000+ req/sec
Concurrent WebSocket Connections Unlimited

Data Sources & Coverage

US Exchanges

NYSE
NASDAQ
AMEX
ARCA
BATS
IEX

Asset Classes

Equities (Common & Preferred)
ETFs & ETNs
Market Indices

Easy Integration & Developer-Friendly APIs

RESTful APIs and WebSocket connections designed for seamless integration into your trading systems and applications.

Real-time Market Data API
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.

$0.001
per API call
10,000
Free calls/month
Volume
Volume discounts available
24/7
Enterprise support

Ready to Access Professional Market Data?

Get instant access to US stock market data with WioEX. Create your free account and start testing our API.

No credit card required • 10,000 free API calls • Cancel anytime