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Monitor all BTC perpetual futures trades including position changes and realized PnL.

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Use Case

Track Bitcoin trading activity to:
  • Monitor BTC market depth and liquidity
  • Analyze position changes and PnL
  • Track market maker activity
  • Build BTC-specific trading analytics

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Sample Response

{
  "header": {
    "number": 900000004,
    "timestamp": 1771562718537
  },
  "fills": [
    {
      "user": "0x0bb3e7ca6d66021eecbf23fb09e6dabe44bf1b41",
      "coin": "BTC",
      "px": 67261.0,
      "sz": 0.00305,
      "side": "B",
      "startPosition": -3.23188,
      "dir": "Close Short",
      "closedPnl": 0.061915,
      "fee": 0.0
    }
  ]
}

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Field Descriptions

  • coin - Asset symbol (always “BTC” in this query)
  • px - Fill price in USD
  • sz - Fill size in BTC
  • side - “A” (ask/sell) or “B” (bid/buy)
  • dir - Trade direction: “Open Long”, “Close Long”, “Open Short”, “Close Short”
  • closedPnl - Realized profit/loss when closing a position (0 for opening trades)
  • startPosition - Position size before this fill (negative = short, positive = long)
  • fee - Trading fee charged