curl --request GET \
  --url https://api.predexon.com/v2/dflow/wallet/positions/{wallet} \
  --header 'x-api-key: <api-key>'

{
  "wallet": "<string>",
  "positions": [
    {
      "outcome_mint": "<string>",
      "status": "open",
      "total_cost_basis": 123,
      "avg_entry_price": 123,
      "realized_pnl": 123,
      "fees_paid": 123,
      "total_qty_bought": 123,
      "total_qty_sold": 123,
      "market_ticker": "<string>",
      "market_title": "<string>",
      "yes_subtitle": "<string>",
      "no_subtitle": "<string>",
      "outcome": "<string>",
      "first_trade_at": 123,
      "last_trade_at": 123
    }
  ],
  "summary": {
    "total_positions": 123,
    "open_positions": 123,
    "closed_positions": 123,
    "total_cost_basis": 123,
    "total_realized_pnl": 123,
    "total_fees_paid": 123
  },
  "pagination": {
    "limit": 123,
    "count": 123,
    "has_more": true,
    "pagination_key": "<string>"
  }
}