Messages

{
  "type": "market_position",
  "sid": 14,
  "msg": {
    "user_id": "user123",
    "market_ticker": "FED-23DEC-T3.00",
    "position": 100,
    "position_cost": 500000,
    "realized_pnl": 100000,
    "fees_paid": 10000,
    "volume": 15
  }
}

Websockets

Market Positions

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

Requirements:

Authentication required
Market specification optional (omit to receive all positions)
Updates sent when your position changes due to trades, settlements, etc.

Monetary Values: All monetary values (position_cost, realized_pnl, fees_paid) are returned in centi-cents (1/10,000th of a dollar). To convert to dollars, divide by 10,000.

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

WSS

wss://api.elections.kalshi.com

market_positions

Messages

{
  "type": "market_position",
  "sid": 14,
  "msg": {
    "user_id": "user123",
    "market_ticker": "FED-23DEC-T3.00",
    "position": 100,
    "position_cost": 500000,
    "realized_pnl": 100000,
    "fees_paid": 10000,
    "volume": 15
  }
}

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