Messages

{
  "type": "market_position",
  "sid": 14,
  "msg": {
    "user_id": "user123",
    "market_ticker": "FED-23DEC-T3.00",
    "position_fp": "100.00",
    "position_cost_dollars": "50.0000",
    "realized_pnl_dollars": "10.0000",
    "fees_paid_dollars": "1.0000",
    "position_fee_cost_dollars": "0.5000",
    "volume_fp": "15.00"
  }
}

Websockets

Market Positions

Real-time updates of your positions in markets. Requires authentication.

Requirements:

Authentication required
Market specification optional (omit to receive all positions)
Filters are by market_ticker/market_tickers only; market_id/market_ids are not supported
Updates sent when your position changes due to trades, settlements, etc.

Monetary Values: All monetary values are returned as fixed-point dollar strings (_dollars suffix).

Use case: Portfolio tracking, position monitoring, P&L calculations

WSS

market_positions

Messages

{
  "type": "market_position",
  "sid": 14,
  "msg": {
    "user_id": "user123",
    "market_ticker": "FED-23DEC-T3.00",
    "position_fp": "100.00",
    "position_cost_dollars": "50.0000",
    "realized_pnl_dollars": "10.0000",
    "fees_paid_dollars": "1.0000",
    "position_fee_cost_dollars": "0.5000",
    "volume_fp": "15.00"
  }
}

apiKey

type:apiKey

API key authentication required for WebSocket connections. The API key should be provided during the WebSocket handshake.

Market Position Update

type:object

Real-time position updates for authenticated user

User Fills Market & Event Lifecycle