{
  "kind": "synthetic software test fixture, not live market data",
  "source": "Informivore tests/test_correlation.py and engine/correlation.py, inspected 2026-09-05",
  "inputs": [
    {
      "symbol": "VIX",
      "value": 24.0,
      "change_pct": 9.0
    },
    {
      "symbol": "SPY",
      "value": 530,
      "change_pct": 1.6
    }
  ],
  "default_thresholds": {
    "vix_min_change_pct": 5,
    "equity_min_change_pct": 1,
    "vix_high_change_pct": 12
  },
  "expected_rule_output": {
    "alert_type": "vix_equity_divergence",
    "severity": "medium"
  },
  "caveat": "The default correlation baseline -0.75 is assumed by the rule, not calculated from these two inputs. This is not evidence of predictive value."
}