curl --request POST \
  --url https://api.example.com/v1/signals/portfolio \
  --header 'Content-Type: application/json' \
  --data '
{
  "bankroll_usd": 10000,
  "market_query": "Will the Fed cut rates at the March 2026 meeting?",
  "max_position_pct": 0.05,
  "portfolio": [
    {
      "entry_price": 0.55,
      "market_id": "KXCPI-26MAR",
      "platform": "kalshi",
      "side": "yes",
      "size_usd": 250
    }
  ]
}
'

{
  "adjusted_size_pct": 0.025,
  "adjusted_size_usd": 250,
  "base_size_pct": 0.035,
  "confidence": 0.82,
  "edge": 0.09,
  "expires_at": "2026-03-22T14:30:00Z",
  "generated_at": "2026-03-21T14:30:00Z",
  "hedge_recommendations": [
    {
      "market_id": "KXUNEMP-4.5",
      "platform": "kalshi",
      "rationale": "Negatively correlated — hedges against strong economy scenario",
      "side": "no",
      "suggested_size_usd": 100,
      "title": "Will unemployment exceed 4.5%?"
    }
  ],
  "market_id": "KXFED-26MAR19",
  "platform": "kalshi",
  "portfolio_impact": {
    "concentration_delta": 0.15,
    "correlated_with": "KXCPI-26MAR",
    "max_correlation": 0.73,
    "net_exposure_change": 250,
    "portfolio_risk_level": "medium"
  },
  "recommendation": "BUY_YES",
  "risk_rating": "medium",
  "target_price": 0.62,
  "title": "Will the Fed cut rates at the March 2026 meeting?"
}