Messages
{
"type": "ticker",
"sid": 11,
"msg": {
"market_ticker": "FED-23DEC-T3.00",
"market_id": "9b0f6b43-5b68-4f9f-9f02-9a2d1b8ac1a1",
"price_dollars": "0.480",
"yes_bid_dollars": "0.450",
"yes_ask_dollars": "0.530",
"volume_fp": "33896.00",
"open_interest_fp": "20422.00",
"dollar_volume": 16948,
"dollar_open_interest": 10211,
"yes_bid_size_fp": "300.00",
"yes_ask_size_fp": "150.00",
"last_trade_size_fp": "25.00",
"ts": 1669149841,
"ts_ms": 1669149841000,
"time": "2022-11-22T20:44:01Z"
}
}WebSockets
Market Ticker
Market price, volume, and open interest updates.
Requirements:
- No additional channel-level authentication beyond the authenticated WebSocket connection
- Market specification optional (omit to receive all markets)
- Supports
market_ticker/market_tickersandmarket_id/market_ids - Updates sent whenever any ticker field changes
Use case: Displaying current market prices and statistics
WSS
ticker
Messages
{
"type": "ticker",
"sid": 11,
"msg": {
"market_ticker": "FED-23DEC-T3.00",
"market_id": "9b0f6b43-5b68-4f9f-9f02-9a2d1b8ac1a1",
"price_dollars": "0.480",
"yes_bid_dollars": "0.450",
"yes_ask_dollars": "0.530",
"volume_fp": "33896.00",
"open_interest_fp": "20422.00",
"dollar_volume": 16948,
"dollar_open_interest": 10211,
"yes_bid_size_fp": "300.00",
"yes_ask_size_fp": "150.00",
"last_trade_size_fp": "25.00",
"ts": 1669149841,
"ts_ms": 1669149841000,
"time": "2022-11-22T20:44:01Z"
}
}apiKey
type:apiKey
API key authentication required for WebSocket connections. The API key should be provided during the WebSocket handshake.
Ticker Update
type:object
Market price ticker information