curl --request GET \
  --url https://api.predexon.com/v2/polymarket/cohorts/stats \
  --header 'x-api-key: <api-key>'

{
  "window": "1d",
  "cohorts": [
    {
      "cohort_name": "<string>",
      "wallet_count": 123,
      "total_volume": 123,
      "total_realized_pnl": 123,
      "avg_realized_pnl": 123,
      "median_realized_pnl": 123,
      "avg_roi": 123,
      "avg_win_rate": 123,
      "avg_profit_factor": 123,
      "avg_trades": 123,
      "profitable_wallet_pct": 123,
      "total_fees_paid": 0,
      "total_fees_refunded": 0,
      "avg_fees_paid": 0,
      "avg_fees_refunded": 0
    }
  ],
  "total_wallets": 123
}