{
  "schema_version": 1,
  "generated_at": "2026-04-30T23:03:33Z",
  "ticker": "ISRG",
  "headline": "ISRG: no edge \u2014 z=-0.55, trading near 20-day mean",
  "body": "ISRG is trading near its 20-day mean (z=-0.55, trading near 20-day mean), so the mean-reversion strategy has no edge here. Insider read: 2 insider sale(s), no offsetting buys. Watch for catalyst flow on: Medical Devices, EVs, Batteries & Lithium.",
  "confidence": 0.0,
  "signal_type": "wait",
  "bullet_points": [
    "Last close: $457.61 (+0.83% today)",
    "20-day mean: $463.24 \u2014 z=-0.55, trading near 20-day mean",
    "Insiders (30d): 2 insider sale(s), no offsetting buys",
    "Active themes: Medical Devices, EVs, Batteries & Lithium",
    "Recent news: 3 headlines, latest 34.5h ago \u2014 \"Is ISRG's International Weakness a Temporary Drag or Structu\""
  ]
}