basis derived

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "limit": 40,
      "min_basis": 0
    }
  },
  "output": {
    "type": "json",
    "example": {
      "note": null,
      "rows": [
        {
          "ticker": "NVDA",
          "direction": "premium",
          "perp_mark": 182.95,
          "comparable": true,
          "perp_oracle": 182.88,
          "perp_symbol": "xyz:NVDA",
          "equity_as_of": "2026-07-30T20:00:00.000Z",
          "equity_price": 181.42,
          "basis_percent": 0.84,
          "basis_absolute": 1.53,
          "excluded_reason": null,
          "equity_prev_close": 180.11,
          "perp_open_interest": 41230.5,
          "perp_day_volume_usd": 9128441.22,
          "equity_change_percent": 0.73,
          "perp_funding_apr_percent": 11.42,
          "basis_vs_prev_close_percent": 1.58
        },
        {
          "ticker": "TSLA",
          "direction": "discount",
          "perp_mark": 401.02,
          "comparable": true,
          "perp_oracle": 401.11,
          "perp_symbol": "xyz:TSLA",
          "equity_as_of": "2026-07-30T20:00:00.000Z",
          "equity_price": 402.11,
          "basis_percent": -0.27,
          "basis_absolute": -1.09,
          "excluded_reason": null,
          "equity_prev_close": 399.4,
          "perp_open_interest": 18220.1,
          "perp_day_volume_usd": 4410233.9,
          "equity_change_percent": 0.68,
          "perp_funding_apr_percent": -3.19,
          "basis_vs_prev_close_percent": 0.41
        }
      ],
      "as_of": "2026-07-30T23:40:00.000Z",
      "count": 2,
      "method": "Legs are joined by ticker symbol. Macro perps (commodities, FX, indices) are excluded because their symbols collide with unrelated US tickers, and any remaining pair differing by more than 25% is treated as a symbol collision rather than a dislocation — see `comparable` and `excluded_reason` per row.",
      "source": "x402stock",
      "reading": "US market closed — the 24/7 perp is the live opinion of where these reopen. Widest vs last print: NVDA at 0.84%.",
      "sections": {
        "perps": "ok",
        "equities": "ok"
      },
      "venue_map": {
        "perp": "hyperliquid:xyz",
        "equity": "us_listed"
      },
      "us_market_open": false,
      "total_available": 2
    }
  }
}