curl --request GET \
  --url https://api.perpetuals.polymarket.com/v1/info/portfolio

{
  "positions": [
    {
      "instrument_id": 123,
      "symbol": "NVDA-USDC",
      "size": "10.00",
      "entry_price": "2986.30",
      "unrealized_pnl": "-0.01",
      "return_on_equity": "-0.0027"
    }
  ],
  "equity": "10000.00",
  "timestamp": 1767225600000
}